<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0256-7024</journal-id>
<journal-title><![CDATA[Revista Geológica de América Central]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Geol. Amér. Central]]></abbrev-journal-title>
<issn>0256-7024</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0256-70242012000100004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cetáceos fósiles (Mammalia, Odontoceti, Eurhinodelphionoidea, Inioidea, Physeterioidea) de la Formación Curré, Mioceno Superior (Hemphilliano Temprano Tardío) de Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Fossil Cetacea (Mammalia, Odontoceti, Eurhinodelphinoidea, Inioidea, Physeterioidea) of the Curré Formation, Upper Miocene (Early-Late Hemphillian) of Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valerio]]></surname>
<given-names><![CDATA[Ana L]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Laurito]]></surname>
<given-names><![CDATA[César A]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Museo Nacional de Costa Rica Departamento de Historia Natural ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Nacional de Aprendizaje  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A03">
<institution><![CDATA[,Autor para contacto  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2012</year>
</pub-date>
<numero>46</numero>
<fpage>151</fpage>
<lpage>160</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0256-70242012000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0256-70242012000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0256-70242012000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Four new records of Odontoceti are described for the Upper Miocene of Southern Central America; these founds suggest a strength sea connection between the North Atlantic Coast of Europe, the Coastal Plain of North America with the tropical East Pacific Ocean. On the other hand, the fossil record of the river dolphin Goniodelphis sp., shows an important affinity between the ancient coastal wetlands of Florida and the epicontinental sediments of the Curré Formation at Costa Rica]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Cuatro nuevos registros de Odontoceti son descritos para el Mioceno Superior del sur de América Central; estos hallazgos sugieren una fuerte conexión marina entre la costa del Atlántico Norte de Europa, la Planicie Costera de América del Norte con el trópico del Pacífico oriental. Por otro lado el registro fósil del delfín de río Goniodelphis sp., muestra una importante afinidad entre los antiguos humedales costeros de la Florida y los sedimentos epicontinentales de la Formación Curré en Costa Rica.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Eurhinodelphinidae]]></kwd>
<kwd lng="en"><![CDATA[Iniidea]]></kwd>
<kwd lng="en"><![CDATA[Kentriodontidae]]></kwd>
<kwd lng="en"><![CDATA[Physeteridae]]></kwd>
<kwd lng="en"><![CDATA[Upper Miocene]]></kwd>
<kwd lng="en"><![CDATA[Costa Rica]]></kwd>
<kwd lng="es"><![CDATA[Eurhinodelphinidae]]></kwd>
<kwd lng="es"><![CDATA[Iniidae]]></kwd>
<kwd lng="es"><![CDATA[Kentriodontidae]]></kwd>
<kwd lng="es"><![CDATA[Physeteridae]]></kwd>
<kwd lng="es"><![CDATA[Mioceno Superior]]></kwd>
<kwd lng="es"><![CDATA[Costa Rica]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <div style="text-align: justify;">     <div style="text-align: center;"><font size="4"><span  style="font-weight: bold; font-family: verdana;">Cet&aacute;ceos f&oacute;siles (Mammalia, Odontoceti, Eurhinodelphionoidea, Inioidea, Physeterioidea) de la Formaci&oacute;n Curr&eacute;, Mioceno Superior (Hemphilliano Temprano Tard&iacute;o) de Costa Rica</span></font><br  style="font-weight: bold; font-family: verdana;"> </div> <font size="2"></font><br  style="font-weight: bold; font-family: verdana;">     <div style="text-align: center;"><font size="4"><span  style="font-weight: bold; font-family: verdana;">Fossil Cetacea (Mammalia, Odontoceti, Eurhinodelphinoidea, Inioidea, Physeterioidea) of the Curr&eacute; Formation, Upper Miocene (Early-Late Hemphillian) of Costa Rica</span></font><br style="font-family: verdana;"> </div> <font size="2"></font><br style="font-family: verdana;">     <div style="text-align: center;"><font size="2"><span  style="font-family: verdana;">Ana L. Valerio<sup><a href="#1">1</a><a  name="3"></a>*</sup> &amp; C&eacute;sar A. Laurito<sup><a href="#1">1</a>,<a href="#2">2</a><a name="4"></a>*</sup></span></font><br  style="font-family: verdana;"> </div> <font size="2"><span style="font-family: verdana;"><a  href="mailto:cesarlaurito@ice.co.cr"></a><a href="#Correspondencia:">    <br> </a><a name="Correspondencia2"></a>*<a href="#Correspondencia1">Direcci&oacute;n para correspondencia:</a><br style="font-family: verdana;"> </span></font><font size="2"></font> <hr style="width: 100%; height: 2px;"><br style="font-family: verdana;"> <font size="3"><span style="font-weight: bold; font-family: verdana;">Abstract    <br> <br style="font-family: verdana;"> </span></font><font size="2"><span style="font-family: verdana;">Four new records of Odontoceti are described for the Upper Miocene of Southern Central America; these founds suggest a strength sea connection between the North Atlantic Coast of Europe, the Coastal Plain of North America with the tropical East Pacific Ocean. On the other hand, the fossil record of the river dolphin Goniodelphis sp., shows an important affinity between the ancient coastal wetlands of Florida and the epicontinental sediments of the Curr&eacute; Formation at Costa Rica.</span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-weight: bold; font-family: verdana;">Key words: </span><span style="font-family: verdana;">Eurhinodelphinidae, Iniidea, Kentriodontidae, Physeteridae, Upper Miocene, Costa Rica.</span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="3"><span style="font-weight: bold; font-family: verdana;">Resumen    <br>     <br style="font-family: verdana;">     </span></font><font size="2"><span style="font-family: verdana;">Cuatro     nuevos registros de     ]]></body>
<body><![CDATA[Odontoceti son descritos para el Mioceno Superior del sur de     Am&eacute;rica Central; estos hallazgos sugieren una fuerte     conexi&oacute;n marina entre la costa del Atl&aacute;ntico Norte de     Europa, la Planicie Costera de Am&eacute;rica del Norte con el     tr&oacute;pico del Pac&iacute;fico oriental. Por otro lado el registro     f&oacute;sil del delf&iacute;n de r&iacute;o Goniodelphis sp., muestra     una importante afinidad entre los antiguos humedales costeros de la     Florida y los sedimentos epicontinentales de la Formaci&oacute;n     Curr&eacute; en Costa Rica.</span></font><br      style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-weight: bold; font-family: verdana;">Palabras     Clave</span><span style="font-family: verdana;">: Eurhinodelphinidae,     Iniidae,     Kentriodontidae, Physeteridae, Mioceno Superior, Costa Rica.</span></font><br      style="font-family: verdana;">     <font size="2"></font>     <hr style="width: 100%; height: 2px;"><br      style="font-weight: bold; font-family: verdana;">     <font size="3"><span style="font-weight: bold; font-family: verdana;">Introducci&oacute;n</span></font><br     ]]></body>
<body><![CDATA[ style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Los cet&aacute;ceos     son     mam&iacute;feros marinos que comparten un ancestro com&uacute;n con los     Artiodactyla (Uhen, 2010), como predadores acu&aacute;ticos     desarrollaron extraordinarias adaptaciones evolutivas tanto a nivel     fisiol&oacute;gico como morfol&oacute;gico, diferenci&aacute;ndose     notablemente de sus predecesores terrestres o incluso de otros     mam&iacute;feros marinos (Simpson, 1945; Gingerich, 2005).</span></font><br     ]]></body>
<body><![CDATA[ style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Los&nbsp;     Neoceti&nbsp; o&nbsp;     cet&aacute;ceos&nbsp; actuales,&nbsp; constituyen un grupo     monofil&eacute;tico derivado de los Basilosauridae (Geisler &amp;     Sanders, 2003; Uhen, 2004, 2010), este a su vez se divide en dos grupos     monofil&eacute;ticos (Geisler &amp; Sanders, 2003) de acuerdo a sus     mecanismos de alimentaci&oacute;n, a saber, las ballenas o Mysticeti y     los cet&aacute;ceos dentados u Odontoceti; el registro f&oacute;sil de     ]]></body>
<body><![CDATA[este &uacute;ltimo grupo puede seguirse hasta el Oligoceno     Tard&iacute;o o incluso cerca del l&iacute;mite Eoceno/Oligoceno     (Barnes &amp; Goedert, 2000) y est&aacute; compuesto por marsopas,     delfines y ballenas de esperma.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">El registro de     cet&aacute;ceos     f&oacute;siles para Costa Rica era pr&aacute;cticamente inexistente     hasta que recientemente Laurito <span style="font-style: italic;">et     ]]></body>
<body><![CDATA[al.</span> (2011) dieron a conocer el     hallazgo del odontoceto Squalodon especie indeterminada, proveniente     del Mioceno Medio de la Formaci&oacute;n R&iacute;o Banano, provincia     de Lim&oacute;n. Previo a ello, Valerio (2010) y Laurito &amp; Valerio     (2010) hab&iacute;an mencionado, de manera general, la aparici&oacute;n     de restos de cet&aacute;ceos en la Formaci&oacute;n Curr&eacute; pero     estos no hab&iacute;an sido estudiados a&uacute;n.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">La localidad     ]]></body>
<body><![CDATA[fosil&iacute;fera de     San Gerardo de Limoncito, est&aacute; ubicada en el cant&oacute;n de     Coto Brus, distrito 4to Limoncito, provincia de Puntarenas,     Costa Rica; en las coordenadas geogr&aacute;ficas     8&ordm;51&#8217;19.6&#8217;&#8217;N/83&ordm;04&#8217;51.9&#8217;&#8217;W (<a      href="/img/revistas/rgac/n46/a04i1.jpg">Fig. 1</a>).</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Esta localidad ha     producido un     ]]></body>
<body><![CDATA[variado registro de peces, reptiles y mam&iacute;feros terrestres,     cuyos restos se asocian a sedimentos de origen fluvial&nbsp; y&nbsp;     abanicos&nbsp; deltaicos&nbsp; subacu&aacute;ticos,&nbsp; que se     alternan con sedimentos infralitorales depositados en un antiguo y     extenso estuario. Estas facies sedimentarias se corresponden     estratigr&aacute;ficamente con el techo de la Formaci&oacute;n     Curr&eacute; de edad Mioceno Medio a Superior y la fauna de     vertebrados, en particular la de caballos, permite establecer una     edad mam&iacute;fero norteamericana Hemphilliano temprano&#8211;tard&iacute;o     (Valerio, 2010; Laurito &amp; Valerio, 2010).</span></font><br     ]]></body>
<body><![CDATA[ style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">La fauna de     mam&iacute;feros     terrestre se caracteriza por la mezcla de elementos de abolengo     suramericano (b&aacute;sicamente xenarthras) y norteamericano     (caballos,     gonfot&eacute;ridos, cam&eacute;lidos y tayasuidos), lo que la     distingue como la fauna centroamericana con la evidencia m&aacute;s     antigua y contundente de intercambio entre las Am&eacute;ricas,     ]]></body>
<body><![CDATA[v&iacute;a Am&eacute;rica Central meridional.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Entre los     vertebrados de     h&aacute;bitos anfibios y acu&aacute;ticos, destaca la     asociaci&oacute;n de crocod&iacute;lidos, bagres y tortugas, en     especial trionychidos que sugieren un ambiente hipohalino a     dulceacu&iacute;cola y entre los vertebrados marinos, una modesta fauna     de tiburones y rayas que reafirma la proximidad del ambiente     ]]></body>
<body><![CDATA[marino eurihalino.</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">El registro de     mam&iacute;feros     marinos se limitaba a unas cuantas v&eacute;rtebras que confirmaban     la presencia de probables cet&aacute;ceos mysticetos; sin embargo, el     registro de odontocetos no hab&iacute;a sido confirmado. Una reciente     revisi&oacute;n de la colecci&oacute;n de la fauna de San Gerardo de     Limoncito, permiti&oacute; la identificaci&oacute;n de varios     elementos dentales correspondientes a cuatro diferentes g&eacute;neros     ]]></body>
<body><![CDATA[de odontocetos, objeto de estudio del presente escrito. Este material     se encuentra depositado en la Colecci&oacute;n de F&oacute;siles, de la     Secci&oacute;n de Geolog&iacute;a del Departamento de Historia Natural     del Museo Nacional de Costa Rica.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-weight: bold; font-family: verdana;">Paleontolog&iacute;a</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">La     ]]></body>
<body><![CDATA[clasificaci&oacute;n utilizada     en la presente publicaci&oacute;n est&aacute; fundamentada en Barnes,     1985; Ichishima <span style="font-style: italic;">et al.</span>, 1994;     Fordyce &amp; Barnes, 1994; Dawson, 1996;     Lambert, 2005.</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Orden Cetacea     Brisson, 1762</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Suborden Odontoceti     Flower, 1867</span></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">Infraorden     Eurhinodelphinida     Fordyce &amp; de</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Muizon, 2001</span></font><br      style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Superfamilia&nbsp;     Eurhinodelphinoidea, de</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Muizon 1988</span></font><br      style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Familia     ]]></body>
<body><![CDATA[Eurhinodelphinidae Abel,     1901</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">G&eacute;nero     Eurhinodelphis Du     Bus, 1867</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font style="font-style: italic;" size="2"><span      style="font-family: verdana;">Eurhinodelphis sp.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">Material: el     ejemplar CFM-1868     corresponde a un diente aislado de 20,89 mm, de probable     posici&oacute;n anterior (<a href="/img/revistas/rgac/n46/a04i2.jpg">figuras     2a-a</a>&#8221;).    <br>     <br style="font-family: verdana;">     </span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Descripci&oacute;n:     diente de     ]]></body>
<body><![CDATA[corona c&oacute;nica de 8,57 mm de altura, con crenulaciones aisladas,     presenta una muesca que abarca toda la altura de la corona en su cara     comisural. La ra&iacute;z es de forma rectangular, ligeramente     sigmoidea, comprimida antero-posteriormente y es notablemente     m&aacute;s grande que la corona.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Discusi&oacute;n:     diente cuya forma     y tama&ntilde;o general recuerda a los dientes anteriores de los     ]]></body>
<body><![CDATA[g&eacute;neros Kentriodon y Delphinodon, pero la corona carece de las     denticulaciones accesorias propias de dichos g&eacute;neros, lo que     facilita su determinaci&oacute;n dentro del g&eacute;nero     Eurhinodelphis. Aunque se acepta la existencia de dos especies     f&oacute;siles, Eurhinodelphis cocheteuxi Du Bus, 1867 y Eurhinodelphis     longirostris Du Bus, 1867, un solo elemento dental no es suficiente     para asignarlo a una de ellas.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Distribuci&oacute;n     ]]></body>
<body><![CDATA[estratigr&aacute;fica: en el Viejo Mundo el g&eacute;nero     Eurhinodelphis se ha registrado&nbsp; en&nbsp; el&nbsp; Mioceno&nbsp;     de&nbsp; Holanda,&nbsp; Langhiano&#8211;Serravalliano de B&eacute;lgica     (Misonne, 1958; Lambert, 2005), Tortoniano&nbsp; de&nbsp;     Italia&nbsp; (Pilleri, 1986); Mioceno Superior tard&iacute;o de     Turqu&iacute;a (Piveteau, 1978) y en el Mioceno Temprano&#8211;Medio,     Langhiano de Jap&oacute;n (Oichi &amp; Hasegawa, 1995).</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">En Am&eacute;rica     ]]></body>
<body><![CDATA[del Norte se ha     registrado en el Burdigaliano&#8211;Langhiano de Maryland y Virginia     (Kellogg, 1925, 1965a).</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Infraorden     Delphinida de Muizon,     1984</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Superfamilia     Inioidea de Muizon,     1984</span></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">Familia Iniidae     (Gray, 1846)</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">G&eacute;nero     Goniodelphis Allen,     1941</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font style="font-style: italic;" size="2"><span      style="font-family: verdana;">Goniodelphis sp.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">Material: el     ejemplar CFM-1866     corresponde a 1 diente aislado de posici&oacute;n incierta con la     corona fragmentada (<a href="/img/revistas/rgac/n46/a04i2.jpg">figuras     2c-c</a>&#8221;).</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Descripci&oacute;n:     diente de 26,30     mm de altura, con corona c&oacute;nica rota, ligeramente volcada hacia     la comisura y en sentido lingual en particular la porci&oacute;n     ]]></body>
<body><![CDATA[superior; en el esmalte se observan estriaciones longitudinales. La     ra&iacute;z es lobulada en forma de delta, conspicuamente expandida en     su extremo distal, ligeramente inflada en su mitad superior y     comprimida en sentido vest&iacute;bulolingual; presenta un cuello en     su porci&oacute;n superior que marca el l&iacute;mite basal de la     corona.</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Discusi&oacute;n: El     diente     CFM-1866 presenta una amplia ra&iacute;z comprimida     ]]></body>
<body><![CDATA[linguo-vestibularmente que recuerda tanto a los delfines Iniidae como a     los delfines marinos de la familia Ziphiidae. Adem&aacute;s, presenta     un caracter&iacute;stico cuello en la base de la corona que permite     diferenciarle f&aacute;cilmente de esta &uacute;ltima familia y     relacionarlo con el g&eacute;nero Goniodelphis. Otra     caracter&iacute;stica importante de este g&eacute;nero, es la forma     marcadamente triangular de la ra&iacute;z que en el ejemplar del     presente estudio se muestra redondeado, quiz&aacute;s producto de la     diluci&oacute;n g&aacute;strica o por erosi&oacute;n, debido al     transporte por el agua. Estas dos caracter&iacute;sticas son descritas     ]]></body>
<body><![CDATA[por Allen (1941) y Kellogg (1944).</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Distribuci&oacute;n     estratigr&aacute;fica: la especie <span style="font-style: italic;">Goniodelphis     hudsoni</span> Allen, 1941 se     ha descrito para el Serravalliano-Hemphilliano tard&iacute;o de Bone     Valley Formation en Polk County, Florida, Estados Unidos (Morgan, 1994).</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">Superfamilia     Physeteroidea Gray,     1868</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Familia Physeteridae     Gray, 1821</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Subfamilia     Physeterinae Gray, 1821</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">G&eacute;nero     Orycterocetus Leidy,     1853</span></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"></font><br style="font-family: verdana;">     <font style="font-style: italic;" size="2"><span      style="font-family: verdana;">Orycterocetus sp.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Material: el     ejemplar CFM-1870     corresponde a un fragmento apical de la corona de 24,96 mm (<a      href="/img/revistas/rgac/n46/a04i2.jpg">figuras     2b-b&#8217;</a>).</span></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">Descripci&oacute;n:     fragmento     apical de la corona de contorno cil&iacute;ndrico, ligeramente curvo     con extremo romo y estr&iacute;as longitudinales. Se observa,&nbsp;     adem&aacute;s, una amplia cavidad pulpar.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Discusi&oacute;n:     los dientes del     g&eacute;nero Orycterocetus son cil&iacute;ndricos, delgados,     ]]></body>
<body><![CDATA[relativamente largos y ligeramente curvos. Presentan     morfolog&iacute;as variadas y en algunos dientes se observan     &aacute;pices redondeados con canales o estr&iacute;as     longitudinales. El fragmento apical descrito en el presente trabajo     cumple con estas caracter&iacute;sticas y es muy similar a los     ilustrados por Kellogg (1965b, L&aacute;mina 30, Fig. 13) y por     Bianucci <span style="font-style: italic;">et     al.</span> (2004, Fig. 2(5)).</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">Distribuci&oacute;n     paleobiogeogr&aacute;fica y estratigr&aacute;fica: el g&eacute;nero     Orycterocetus se ha registrado en el Viejo Mundo en el Burdigaliano     tard&iacute;o &#8211; Messiniano temprano del sur de Italia (Bianucci <span      style="font-style: italic;">et al.</span>,     2004) y un diente aislado es descrito para el&nbsp; Burdigaliano&nbsp;     de&nbsp; Faluns&nbsp; de&nbsp; la&nbsp; Loire&nbsp; en&nbsp; el     Norte&nbsp; de&nbsp; Francia&nbsp; (Ginsburg&nbsp; &amp;&nbsp;     Janvier,&nbsp; 1975). En el Langhiano &#8211; Burdigaliano de la     Formaci&oacute;n Berchem en el &aacute;rea de Antwerp, B&eacute;lgica     ]]></body>
<body><![CDATA[(Lambert, 2008; Louwye <span style="font-style: italic;">et al.</span>,     2010).</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">En Am&eacute;rica     del Norte el     g&eacute;nero Orycterocetus se&nbsp; ha&nbsp; registrado&nbsp; en&nbsp;     el&nbsp; Mioceno&nbsp; de&nbsp; Maryland y&nbsp; Virginia&nbsp;     en&nbsp; la&nbsp; Formaci&oacute;n&nbsp; Calvert&nbsp; (Kellogg,</span></font><br      style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">1965b)</span></font><br     ]]></body>
<body><![CDATA[ style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Superfamilia     Delphinoidea Flower,     1865</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Familia     Kentriodontidae Slijper,     1936</span></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Subfamilia     Lophocetinae Barnes, 1978</span></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">Genus Hadrodelphis     Kellogg, 1966</span></font><br style="font-family: verdana;">     <font size="2"></font><br      style="font-family: verdana; font-style: italic;">     <font style="font-style: italic;" size="2"><span      style="font-family: verdana;">Hadrodelphis sp.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Material: el     ejemplar CFM-3294     ]]></body>
<body><![CDATA[corresponde a un diente inferior, posterior, probablemente izquierdo,     de 27,29 mm (<a href="/img/revistas/rgac/n46/a04i2.jpg">figuras 2d-d&#8221;&#8217;</a>).</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Descripci&oacute;n:     diente de     corona subc&oacute;nica de 9,63 mm, parcialmente rota, cuya mitad     inferior es bulbosa y la superior ligeramente volcada en sentido     vest&iacute;bulo-lingual, con crenulaciones aisladas tanto en el     &aacute;pice como en la base. La ra&iacute;z es protuberante,     ]]></body>
<body><![CDATA[&eacute;sta se ampl&iacute;a desde un cuello comprimido en la base de     la corona, hasta alcanzar una forma bulbosa en la parte media para     luego terminar aplan&aacute;ndose y comprimi&eacute;ndose en su mitad     inferior.</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Discusi&oacute;n:     diente de forma y     talla similar a los de la especie norteamericana <span      style="font-style: italic;">Hadrodelphis     calvertensis</span>&nbsp; Kellogg,&nbsp; 1966&nbsp;     ]]></body>
<body><![CDATA[(L&aacute;mina&nbsp;     45,&nbsp; Figs. 1-3)&nbsp; y&nbsp; Dawson&nbsp; (1996,&nbsp; Fig.&nbsp;     6);&nbsp; notablemente m&aacute;s grande que los dientes de la especie     europea <span style="font-style: italic;">Hadrodelphis poseidon</span>     Ginsburg &amp; Janvier, 1971. A pesar     de ello, no es posible establecer la pertenencia a una especie     determinada, pues no se cuenta con otros elementos &oacute;seos que     permitan una mejor diferenciaci&oacute;n y determinaci&oacute;n del     material.</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">De hecho la especie <span      style="font-style: italic;">Hadrodelphis     poseidon</span> Ginsburg &amp; Janvier, 1971 se fundamenta en dos     dientes     aislados por lo que su validez taxon&oacute;mica a nivel de especie     es cuestionada por Dawson (1996).</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Distribuci&oacute;n     paleobiogeogr&aacute;fica y estratigr&aacute;fica: el g&eacute;nero     ]]></body>
<body><![CDATA[Hadrodelphis y la especie <span style="font-style: italic;">H.     poseidon </span>se ha documentado en el     Helvetiano de las localidades de Noyant-sul-le-Lude y Pontign&eacute;     en el Departamento de Maine-et-Loire, provincia D&#8217;Anjou, en Francia     (Ginsburg &amp; Janvier, 1975).</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">En Am&eacute;rica     del Norte la     especie H. calvertensis se ha registrado en el Mioceno Medio de la     ]]></body>
<body><![CDATA[Formaci&oacute;n Calvert en Calvert County e Indian Creek en Charles     County, ambos en el Estado de Maryland (Kellogg, 1966; Dawson, 1996) y     en el Mioceno de Florida en las localidades de Gainsville en Alachua     County; en Florida central y en Gadsden County (Morgan, 1994; Hulbert     &amp; Morgan, 2001).</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-weight: bold; font-family: verdana;">Paleobiogeograf&iacute;a     de los delfines de la Formaci&oacute;n Curr&eacute;</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"><span style="font-family: verdana;">Los hallazgos     costarricenses de     <span style="font-style: italic;">Hadrodelphis sp. </span>y<span      style="font-style: italic;"> Goniodelphis sp.</span> suponen una     fuerte vinculaci&oacute;n de primer orden entre el sur de     Am&eacute;rica Central y     la provincia Caribe&ntilde;a con la pen&iacute;nsula de Florida. Este     tipo de correlaciones paleoprovinciales se ha dado con otros     elementos faun&iacute;sticos, por ejemplo los tiburones de la     Formaci&oacute;n Uscari (Laurito, 1999).</span></font><br     ]]></body>
<body><![CDATA[ style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">En el caso del     delf&iacute;n     <span style="font-style: italic;">Hadrodelphis sp</span>., su     g&eacute;nero se caracteriz&oacute; por una     distribuci&oacute;n ambiatl&aacute;ntica norte-hemisf&eacute;rica,     durante el Mioceno Medio y Superior. En Europa, sus registros se     restringen al Atl&aacute;ntico de la mitad norte de Francia y en     Am&eacute;rica del Norte su distribuci&oacute;n se concentra en las     ]]></body>
<body><![CDATA[Formaciones Calvert en Maryland y Bone Valley de Florida, ambas del     Mioceno, confirmando as&iacute;, una distribuci&oacute;n     paleogeogr&aacute;fica a lo largo de la provincia de la Planicie     Costero Atl&aacute;ntica al norte y la provincia Floridana al sur.     Est&aacute; vinculaci&oacute;n paleobiogeogr&aacute;fica     tambi&eacute;n es confirmada por el registro ambiatl&aacute;ntico y     norte-hemisf&eacute;rico del g&eacute;nero Orycterocetus en el Mioceno     Medio de B&eacute;lgica y el norte de Francia, y los registros de la     Formaci&oacute;n Calvert en los estados de Maryland y Virginia en     Estados Unidos.</span></font><br style="font-family: verdana;">     ]]></body>
<body><![CDATA[<font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Tanto Hadrodelphis     como     Orycterocetus sugieren una vinculaci&oacute;n paleobiogeogr&aacute;fica     de segundo orden entre la Formaci&oacute;n Curr&eacute;, en el     Pac&iacute;fico de Am&eacute;rica Central meridional, con las faunas     miocenas atl&aacute;nticas al norte de la pen&iacute;nsula de Florida     y la costa de Francia y B&eacute;lgica. Esta no es la primera evidencia     de este tipo de distribuci&oacute;n en el Mioceno Medio y Superior;     Pyenson &amp; Hoch (2007) consideran que la distribuci&oacute;n     ]]></body>
<body><![CDATA[paleogeogr&aacute;fica de otra familia de delfines, los Pontoporiidae     que en la actualidad viven exclusivamente en las aguas marino someras     de Am&eacute;rica del Sur y en la cuenca del r&iacute;o Ganges en Asia,     alcanzaron el Mar del Norte de previo al Mioceno Tard&iacute;o     v&iacute;a Mar de Tethys, pero luego cuando el enfriamiento     clim&aacute;tico se increment&oacute;, esta fauna de delfines     abandon&oacute; el Mar del Norte y el Atl&aacute;ntico Norte. Uno de     sus g&eacute;neros Pontistes Burmeister, 1885; se ha hallado en el     Mioceno Tard&iacute;o&nbsp; de la formaciones Paran&aacute; en     Argentina (Cozzuol, 1985), Pisco en Per&uacute; (de Muizon &amp;     ]]></body>
<body><![CDATA[DeVries, 1985) y el suroeste de Dinamarca (Pyenson &amp; Hoch, 2007);     su distribuci&oacute;n solo se explica debido a una dispersi&oacute;n     v&iacute;a el corredor marino de Am&eacute;rica Central que     conect&oacute; las aguas del Pac&iacute;fico oriental y el     Atl&aacute;ntico Norte hasta que se complet&oacute; el cierre del istmo     de Panam&aacute; entre 5.0 y 3.5 Ma (Keigwin, 1982; Duque-Caro, 1990).     Teniendo&nbsp; lo anterior en cuenta, una dispersi&oacute;n en sentido     contrario, explicar&iacute;a el hallazgo de Hadrodelphis y     Orycterocetus en el Pac&iacute;fico del sur de Am&eacute;rica Central,     misma que se pudo haber dado de previo al Mioceno Tard&iacute;o.</span></font><br     ]]></body>
<body><![CDATA[ style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">En el caso     espec&iacute;fico del     delf&iacute;n de agua dulce, <span style="font-style: italic;">Goniodelphis</span>     sp., se evidencia una     conexi&oacute;n y distribuci&oacute;n epicontinental entre la Florida     y el Pac&iacute;fico sur de Costa Rica cuya paleobiogeograf&iacute;a     solo se explicar&iacute;a por alg&uacute;n grado de tolerancia al agua     marina eurihalina de las costas caribe&ntilde;as de Am&eacute;rica     ]]></body>
<body><![CDATA[Central y del estrecho oce&aacute;nico al sur del istmo de     Panam&aacute;, ello a pesar de que los delfines ribere&ntilde;os     actuales de acuerdo con Hamilton <span style="font-style: italic;">et     al.</span> (2001), se restringen a     ecosistemas dulceacu&iacute;colas.</span></font><br      style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">Un patr&oacute;n     similar de     distribuci&oacute;n epicontinental al de <span     ]]></body>
<body><![CDATA[ style="font-style: italic;">Goniodelphis</span> sp., se observa     al comparar la paleobiogeograf&iacute;a de las tortugas     dulceacu&iacute;colas de la familia Trionychidae, muy comunes en los     sedimentos terciarios de Am&eacute;rica del Norte (Meylan, 1987). Sus     restos se han registrado en el Mioceno del norte de Venezuela (Wood     &amp; Patterson, 1973; S&aacute;nchez-Villagra <span      style="font-style: italic;">et al.</span>, 2004), en el     extremo meridional del Caribe y tambi&eacute;n asociados a los     odontocetos de la Formaci&oacute;n Curr&eacute; (Laurito <span      style="font-style: italic;">et al.</span>, 2005).     ]]></body>
<body><![CDATA[Tal patr&oacute;n de distribuci&oacute;n durante el Mioceno solo se     puede explicar, asumiendo alg&uacute;n tipo de tolerancia a los     ambientes marinos y a la existencia de grandes humedales asociados a     desembocaduras de antiguos r&iacute;os que se extend&iacute;an a lo     largo de la costa, facilitando la migraci&oacute;n de estos organismos     dulceacu&iacute;colas (Laurito <span style="font-style: italic;">et al.</span>,     2005).</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">En suma, la fauna de     delfines de la     ]]></body>
<body><![CDATA[Formaci&oacute;n Curr&eacute; se caracteriza por un conjunto de     cet&aacute;ceos t&iacute;picos del Mioceno tard&iacute;o que confirman     una vinculaci&oacute;n de tercer grado con las faunas marinas     mediterr&aacute;neas del Mioceno Medio y Superior, una     vinculaci&oacute;n de segundo grado con las faunas del Atl&aacute;ntico     norte o ambiatl&aacute;nticas y una vinculaci&oacute;n de primer orden     con las faunas de la Florida. Si se tiene en cuenta la posible     distribuci&oacute;n pantropical del Eurhinodelphis para el Mioceno     tard&iacute;o, se destaca la conexi&oacute;n     Tethysiano-Mediterr&aacute;nea con el Pac&iacute;fico de Am&eacute;rica     ]]></body>
<body><![CDATA[Central meridional.</span></font><br style="font-family: verdana;">     <font size="2"></font>     <hr style="width: 100%; height: 2px;"><br      style="font-weight: bold; font-family: verdana;">     <font size="3"><span style="font-weight: bold; font-family: verdana;">Referencias     Bibliogr&aacute;ficas</span></font><br style="font-family: verdana;">     <font size="2"></font><br style="font-family: verdana;">     <font size="2"><span style="font-family: verdana;">ALLEN, G.M., 1941: A     fossil river     <!-- ref -->dolphin from Florida.-Bull. Mus. of Comparative Zool. 89(1):1-8.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984297&pid=S0256-7024201200010000400001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">BARNES, L.G., 1985: The Late Miocene dolphin <span style="font-style: italic;">Pithanodelphis</span> Abel, 1905 (Cetacea: Kentriodontidae) from California. -Contributions in Sci., Nat. Hist. Mus. of Los Angeles County, 367:1-27.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984298&pid=S0256-7024201200010000400002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">BARNES,&nbsp; L.G.,&nbsp; &amp; GOEDERT, J.L., 2000: The&nbsp;&nbsp; world&#8217;s&nbsp;&nbsp; oldest&nbsp;&nbsp; known&nbsp;&nbsp; odontocete (Mammalia, Cetacea).-J. Vertebrate Paleont., Abstracts of Papers 20 (supplement 3): 28.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984299&pid=S0256-7024201200010000400003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">BIANUCCI, G., LANDINI, W. &amp; VAROLA, A., 2004: First discovery of the Miocene northern Atlantic sperm whale Orycterocetus in&nbsp; the&nbsp; Mediterranean.- Geobios,&nbsp; 37(5):</span></font><font size="2"><span  style="font-family: verdana;"> 569-573.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984300&pid=S0256-7024201200010000400004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">COZZUOL,&nbsp; M.A.,&nbsp; 1985:&nbsp; The&nbsp; Odontoceti&nbsp; of the&nbsp;&nbsp; &#8216;Mesopotamiense&#8217;&nbsp;&nbsp; of&nbsp;&nbsp; the&nbsp;&nbsp; Parana River Ravines. Systematic review.-En: PILLERI, G.(ed.): Investigations on Cetacea.-Brain Anat. Inst., Univ. of Berne, 17: 39-54.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984301&pid=S0256-7024201200010000400005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">DAWSON, S., 1996: A description of the skull and postcrania of <span style="font-style: italic;">Hadrodelphis calvertense</span> Kellogg 1966, and its position within the Kentriodontidae (Cetacea; Delphinoidea).-J. Vertebrate Paleont. 16(1): 125-134.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984302&pid=S0256-7024201200010000400006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">DUQUE-CARO, H., 1990: Neogene stratigraphy, paleoceanography and paleobiogeography in northwest South America and the evolution of the Panama&nbsp;&nbsp; &nbsp;Seaway.-Palaeogeography, Palaeoclimat. and Palaeoecol. 77: 203-</span></font><font size="2"><span  style="font-family: verdana;">234.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984303&pid=S0256-7024201200010000400007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">FLOWER, W.H., 1867: Description of the skeleton of <span style="font-style: italic;">Inia geoffrensis</span>.-Trans. Zool. Soc. Lond. 6: 87-116.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984304&pid=S0256-7024201200010000400008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">FORDYCE, R.E. &amp; BARNES, L.G., 1994: The evolutionary history of whales and dolphins.-Annu. Rev. Earth Planet. Sci. 22:</span></font><font size="2"><span  style="font-family: verdana;"> 419-455.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984305&pid=S0256-7024201200010000400009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">GEISLER, J.H. &amp; SANDERS, A.E., 2003: Morphological evidence for the phylogeny of Cetacea.-J. Mamm. Evol. 10: 23-129.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984306&pid=S0256-7024201200010000400010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">GINGERICH, P.D., 2005: Cetacea. &#8211; En: ROSE, K.D. &amp; ARCHIBALD, J.D. (eds.): Placental mammals: origin, timing, and relationships of the major extant clades.-Johns&nbsp; Hopkins&nbsp; Univ.&nbsp; Press,&nbsp; Baltimore: 234-252.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984307&pid=S0256-7024201200010000400011&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">GINSBURG, L. &amp; JANVIER, P., 1971: Les mammif&egrave;res marins des faluns mioc&egrave;nes de la Touraine et de l&#8217;Anjou.-Bull. Mus. Nat. d&#8217;Hist. Nat., Sci. de la Terre, 6(22): 161-195.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984308&pid=S0256-7024201200010000400012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">GINSBURG, L. &amp; JANVIER, P., 1975: Les mammif&egrave;res marins des faluns de la touraine et de l&#8217;Anjou: faune, gisements et pal&eacute;obiologie.-Bull. Soc. E. Sci. Anjou, N. S. 9: 73-96.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984309&pid=S0256-7024201200010000400013&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">HAMILTON, H., CABALLERO, S., COLLINS, A.G. &amp; BROWNELL, R.L., 2001: Evolution of river dolphins.-Proc. R. Soc. Lond. Biol. Sci. 268: 549-556.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984310&pid=S0256-7024201200010000400014&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">HULBERT, R.C. &amp; MORGAN, G.S., 2001: Mammalia&nbsp; 9:&nbsp; Whales&nbsp; and&nbsp; dolphins.&nbsp; &#8211; En: HULBERT, R.C. (ed.): The Fossil Vertebrates of Florida.-Univ. Press of Florida, Gainesville: 331-342.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984311&pid=S0256-7024201200010000400015&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">ICHISHIMA, H., BARNES, L., FORDYCE, E., KIMURA, A. &amp; BOHASKA, D., 1994: A review of Kentriodontine dolphins (Cetacea; Delphinoidea; Kentriodontidae): Systematics and Biogeography.-The Island Arc, 3: 486-492.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984312&pid=S0256-7024201200010000400016&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">KEIGWIN, L.D., Jr., 1982: Isotopic paleoceanography of the Caribbean and East Pacific: role of Panama uplift in late Neogene time.-Sci. 217: 350&#8211;353.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984313&pid=S0256-7024201200010000400017&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">KELLOGG, R., 1925: On the occurrence of remains of fossil porpoises of the genus Eurhinodelphis in North America.-Proc. of&nbsp; the&nbsp; United&nbsp; States&nbsp; Nat.&nbsp; Mus.&nbsp; 66(26): 1-40.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984314&pid=S0256-7024201200010000400018&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">KELLOGG, R., 1944: Fossil cetaceans from the Florida Tertiary.-Bull. Mus. Comparative Zool.&nbsp; at&nbsp; Harvard&nbsp; College,&nbsp; 94(9):&nbsp; 433-471.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984315&pid=S0256-7024201200010000400019&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">KELLOGG, R., 1965a: A new whalebone whale from the Miocene Calvert Formation.-Bull. United States Nat. Mus. 247(1): 1-45.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984316&pid=S0256-7024201200010000400020&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">KELLOGG, R., 1965b: The Miocene Calvert sperm&nbsp; whale&nbsp; Orycterocetus. -Bulletin of&nbsp; the&nbsp; United&nbsp; States&nbsp; National&nbsp; Museum, 247(2):47-63.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984317&pid=S0256-7024201200010000400021&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">KELLOGG, R., 1966: A new odontocete from the Calvert Miocene of Maryland.-Bull.United States&nbsp;&nbsp;&nbsp; National&nbsp;&nbsp;&nbsp; Mus. 247(4): 99-101.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984318&pid=S0256-7024201200010000400022&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">LAMBERT, O., 2005: Phylogenetic affinities of the long-snouted dolphin <span  style="font-style: italic;">Eurhinodelphis</span> (Cetacea, Odontoceti) from the Miocene of Antwerp, Belgium.-Palaeontol. 48(3):</span></font><br  style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">653-679.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984319&pid=S0256-7024201200010000400023&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">LAMBERT, O., 2008: Sperm whales from the Miocene&nbsp; of&nbsp; the&nbsp; North&nbsp; Sea:&nbsp; a&nbsp; re-appraisal.-En: STEURBAUT,&nbsp; E., JAGT,&nbsp; J.W.N &amp; JAGT-YAZYKOVA, E.A. (eds.): Annie V. Dhondt Memorial Volume.-Bull. de l&#8217;Institut Royal des Sci. Nat. de Belgique, Sciences de la Terre, 78: 277-316.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984320&pid=S0256-7024201200010000400024&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">LAURITO, C., 1999: Los sel&aacute;ceos f&oacute;siles de la localidad de Alto Guayac&aacute;n (y otros ictiolitos asociados), Mioceno Superior-Plioceno Inferior&nbsp; de&nbsp; la&nbsp; Formaci&oacute;n&nbsp; Uscari,&nbsp; provincia de Lim&oacute;n, Costa Rica.-168 p&aacute;gs. LAURITO, C. (ed.), San Jos&eacute;    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984321&pid=S0256-7024201200010000400025&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref -->.</span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">LAURITO, C. &amp; VALERIO, A., 2010: Los caballos f&oacute;siles de la Formaci&oacute;n Curr&eacute;, cant&oacute;n de Coto Brus, Costa Rica.-131 p&aacute;gs. Mus. Nac. de Costa Rica, San Jos&eacute;    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984322&pid=S0256-7024201200010000400026&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref -->.</span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">LAURITO, C.A., VALERIO, A.L., HERNANDEZ,&nbsp; A.C.&nbsp; &amp;&nbsp; OVARES,&nbsp; E., 2011: Primer registro de un cet&aacute;ceo f&oacute;sil (Mammalia, Cetacea, Odontoceti, Squalodontidae) en la Formaci&oacute;n R&iacute;o Banano, Mioceno Medio de Costa Rica, Am&eacute;rica Central.-Rev. Geol. Am&eacute;r. Central, 44: 153-156.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984323&pid=S0256-7024201200010000400027&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">LAURITO,&nbsp;&nbsp; C.,&nbsp;&nbsp; VALERIO,&nbsp;&nbsp; A.L.,&nbsp;&nbsp; GOMEZ, L.D., MEAD, J.I., PEREZ, E. &amp; PEREZ, L.G., 2005: A Trionychidae (Reptilia: Testudines, Cryptodira) from the Pliocene of Costa Rica, southern Central America.-Rev. Geol. Am&eacute;r. Central, 32:7-11.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984324&pid=S0256-7024201200010000400028&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">LOUWYE, S., MARQUET, R., BOSSELAERS, M. &amp; LAMBERT, O., 2010: Stratigraphy of an early&#8211;middle Miocene sequence near Antwerp in northern Belgium (southern north&nbsp;&nbsp; sea&nbsp;&nbsp; basin).-&nbsp; Geologica&nbsp;&nbsp; Belgica, 13(3): 269-284.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984325&pid=S0256-7024201200010000400029&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">MEYLAN,&nbsp; P.A.,&nbsp; 1987: The&nbsp; phylogenetic&nbsp; relationships of soft-shelled turtles (family Trionychidae).-Bull. Amer. Mus. Nat. Hist. 186: 1-110.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984326&pid=S0256-7024201200010000400030&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">MISONNE,&nbsp; X.,&nbsp; 1958:&nbsp; Faune&nbsp; du&nbsp; Tertiare&nbsp;&nbsp; et du Pl&eacute;istoc&egrave;ne inf&eacute;rieur de Belgique (Oiseaux et mammif&egrave;res).-Bull. de l&#8217;Institut Royal des Sci. Nat. de Belgique,</span></font><font size="2"><span  style="font-family: verdana;"> 34(5): 1-36.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984327&pid=S0256-7024201200010000400031&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">MORGAN, G.S., 1994: Miocene and Pliocene marine mammal faunas from the Bone Valley Formation of central Florida.-Contributions in Marine Mammal Paleont., Proceedings of the San Diego Soc. Nat. Hist. 29: 239-268.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984328&pid=S0256-7024201200010000400032&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">DE MUIZON, C. &amp; DEVRIES, T.J., 1985: Geology and paleontology of late Cenozoic marine deposits in the Sacaco area (Peru).-Geologische Rundschau, 74: 547-563.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984329&pid=S0256-7024201200010000400033&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">OISHI, M. &amp; HASEGAWA, Y., 1995: A list of fossil cetaceans in Japan.-The Island Arc, 3: 493-505.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984330&pid=S0256-7024201200010000400034&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">PILLERI, G., 1986: The Miocene Cetacea of the Pietra Leccese with special reference to the Cosimo de Giorgi Collection, Lecce.-27 p&aacute;gs. Univ of Berne, Suiza.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984331&pid=S0256-7024201200010000400035&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">PIVEtEAU,&nbsp; M.J., 1978: Un nouveau gisement de Vert&egrave;bres dans le Chersonian Kurtchuk-Tchenkmedje Ouest (Thrace turque).-Comptes Rendus Hebdomadaires des s&eacute;ances de L&#8217;Acad&eacute;mie des Sciences, Series D 287(5): 455-458.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984332&pid=S0256-7024201200010000400036&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">PYENSON, N.D. &amp; HOCH, E., 2007: Tortonian pontoporiid odontocetes from the Eastern North Sea.-J. Vertebrate Paleont. 27(3): 757-762.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984333&pid=S0256-7024201200010000400037&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">S&Aacute;NCHEZ-VILLAGRA, M.R., ASHER, R.J., RINC&Oacute;N, A.D., CARLINI, A., MEYLAN, P. &amp; PURDY, W., 2004: New faunal reports for the cerro La Cruz locality (Lower Miocene), North-Western Venezuela.-En: S&Aacute;NCHEZ-VILLAGRA, M.R. &amp; CLACK, J.A. (eds): Fossil of the Miocene Castillo Formation, Venezuela: Contributions on Neotropic Palaentology.-Spec. Papers in Paleont. 71: 105-112.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984334&pid=S0256-7024201200010000400038&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">SIMPSON, G.G., 1945: The principles of classification and a classification of mammals.-Bull. Amer. Mus. Nat. Hist. 85:1-350.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984335&pid=S0256-7024201200010000400039&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">UHEN, M.D., 2004: Form, function, and anatomy of <span style="font-style: italic;">Dorudon atrox</span> (Mammalia, Cetacea): an Archaeocete from the Middle to Late Eocene of Egypt.-Univ. Mich. Mus. Paleontol. Pap. Paleontol. 34: 1-222.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984336&pid=S0256-7024201200010000400040&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">UHEN, M.D., 2010: The&nbsp; origin(s) of Whales.-Annu. Rev. Earth Planet. Sci. 38:189-219.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984337&pid=S0256-7024201200010000400041&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br  style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">VALERIO, A., 2010: Paleontolog&iacute;a, bioestratigraf&iacute;a y paleoecolog&iacute;a de los caballos f&oacute;siles de la Formaci&oacute;n Curr&eacute; en el Cant&oacute;n de Coto Brus, Costa Rica (an&aacute;lisis basado en material dental).-353 p&aacute;gs. Univ. de Costa Rica, San Jos&eacute; (tesis Lic).    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984338&pid=S0256-7024201200010000400042&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --></span></font><br style="font-family: verdana;"> <font size="2"></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">WOOD, R.C. &amp; PATTERSON, B., 1973: A fossil Trionychid turtle from South America.-Breviora, 405:1-10.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=984339&pid=S0256-7024201200010000400043&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><br> </span></font><font size="2"><span style="font-family: verdana;">    <br> <a name="Correspondencia1"></a><a href="#Correspondencia2">*</a>Correspondencia:    <br> Ana L. Valerio: </span></font><font size="2"><span  style="font-family: verdana;">Departamento de Historia Natural, Museo Nacional de Costa Rica. Apdo.</span></font><font size="2"><span  style="font-family: verdana;"> 749-1000, San Jos&eacute;</span></font>    <br> <font size="2"><span style="font-family: verdana;">C&eacute;sar A. Laurito: </span></font><font size="2"><span  style="font-family: verdana;">Departamento de Historia Natural, Museo Nacional de Costa Rica. Apdo.</span></font><font size="2"><span  style="font-family: verdana;"> 749-1000, San Jos&eacute;</span></font><font  size="2"><span style="font-family: verdana;">. Instituto Nacional de Aprendizaje</span></font><font size="2"><span  style="font-family: verdana;">. Autor para contacto: <a href="mailto:cesarlaurito@ice.co.cr">cesarlaurito@ice.co.cr</a>    <br>     <br> </span></font><font size="2"><span style="font-family: verdana;"><a  name="1"></a><a href="#3">1</a> Departamento de Historia Natural, Museo Nacional de Costa Rica. Apdo.</span></font><font size="2"><span  style="font-family: verdana;"> 749-1000, San Jos&eacute;</span></font><br  style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;"><a name="2"></a><a  href="#4">2</a> Instituto Nacional de Aprendizaje</span></font><br style="font-family: verdana;"> <font size="2"><span style="font-family: verdana;">*Autor para contacto: <a href="mailto:cesarlaurito@ice.co.cr">cesarlaurito@ice.co.cr</a></span></font>    <br> <hr style="width: 100%; height: 2px;">     <div style="text-align: center;"><font size="2"><span  style="font-weight: bold; font-family: verdana;">Recibido: 29/08/2011 ; aceptado: 11/06/2012</span> </font></div> </div>     ]]></body>
<body><![CDATA[ ]]></body><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[ALLEN]]></surname>
<given-names><![CDATA[G.M]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[A fossil river dolphin from Florida]]></article-title>
<source><![CDATA[Bull. Mus. of Comparative Zool]]></source>
<year>1941</year>
<volume>89</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BARNES]]></surname>
<given-names><![CDATA[L.G]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[The Late Miocene dolphin Pithanodelphis Abel, 1905 (Cetacea: Kentriodontidae) from California]]></article-title>
<source><![CDATA[Contributions in Sci., Nat. Hist. Mus. of Los Angeles County]]></source>
<year>1985</year>
<volume>367</volume>
<page-range>1-27</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BARNES]]></surname>
<given-names><![CDATA[L.G]]></given-names>
</name>
<name>
<surname><![CDATA[GOEDERT]]></surname>
<given-names><![CDATA[J.L]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Vertebrate Paleont]]></source>
<year>2000</year>
<volume>20</volume>
<numero>^s3</numero>
<issue>^s3</issue>
<supplement>3</supplement>
<page-range>28</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BIANUCCI]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[LANDINI]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[VAROLA]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[First discovery of the Miocene northern Atlantic sperm whale Orycterocetus in the Mediterranean]]></article-title>
<source><![CDATA[Geobios]]></source>
<year>2004</year>
<volume>37</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>569-573</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[COZZUOL]]></surname>
<given-names><![CDATA[M.A]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[The Odontoceti of the &#8216;Mesopotamiense&#8217; of the Parana River Ravines: Systematic review]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[PILLERI]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<source><![CDATA[Brain Anat. InstInvestigations on Cetacea]]></source>
<year>1985</year>
<volume>17</volume>
<page-range>39-5</page-range><publisher-name><![CDATA[Univ. of Berne]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DAWSON]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[A description of the skull and postcrania of Hadrodelphis calvertense Kellogg 1966, and its position within the Kentriodontidae (Cetacea; Delphinoidea)]]></article-title>
<source><![CDATA[J. Vertebrate Paleont]]></source>
<year>1996</year>
<volume>16</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>125-134</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DUQUE-CARO]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Neogene stratigraphy, paleoceanography and paleobiogeography in northwest South America and the evolution of the Panama Seaway]]></article-title>
<source><![CDATA[Palaeogeography, Palaeoclimat. and Palaeoecol]]></source>
<year>1990</year>
<volume>77</volume>
<page-range>203-234</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[FLOWER]]></surname>
<given-names><![CDATA[W.H]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Description of the skeleton of Inia geoffrensis]]></article-title>
<source><![CDATA[Trans. Zool. Soc. Lond]]></source>
<year>1867</year>
<volume>6</volume>
<page-range>87-116</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[FORDYCE]]></surname>
<given-names><![CDATA[R.E]]></given-names>
</name>
<name>
<surname><![CDATA[BARNES]]></surname>
<given-names><![CDATA[L.G]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[The evolutionary history of whales and dolphins]]></article-title>
<source><![CDATA[Annu. Rev. Earth Planet. Sci]]></source>
<year>1994</year>
<volume>22</volume>
<page-range>419-455</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[GEISLER]]></surname>
<given-names><![CDATA[J.H]]></given-names>
</name>
<name>
<surname><![CDATA[SANDERS]]></surname>
<given-names><![CDATA[A.E]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Morphological evidence for the phylogeny of Cetacea]]></article-title>
<source><![CDATA[J. Mamm. Evol.]]></source>
<year>2003</year>
<volume>10</volume>
<page-range>23-129</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[GINGERICH]]></surname>
<given-names><![CDATA[P.D]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Cetacea]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[ROSE]]></surname>
<given-names><![CDATA[K.D]]></given-names>
</name>
<name>
<surname><![CDATA[ARCHIBALD]]></surname>
<given-names><![CDATA[J.D]]></given-names>
</name>
</person-group>
<source><![CDATA[Johns Hopkins Univ. PressPlacental mammals: origin, timing, and relationships of the major extant clades]]></source>
<year>2005</year>
<page-range>234-252</page-range><publisher-loc><![CDATA[Baltimore ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[GINSBURG]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[JANVIER]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang="fr"><![CDATA[Les mammifères marins des faluns miocènes de la Touraine et de l&#8217;Anjou]]></article-title>
<source><![CDATA[Bull. Mus. Nat. d&#8217;Hist. Nat]]></source>
<year>1971</year>
<volume>6</volume>
<numero>22</numero>
<issue>22</issue>
<page-range>161-195</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[GINSBURG]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[JANVIER]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang="fr"><![CDATA[Les mammifères marins des faluns de la touraine et de l&#8217;Anjou: faune, gisements et paléobiologie]]></article-title>
<source><![CDATA[Bull. Soc. E. Sci. Anjou]]></source>
<year>1975</year>
<volume>9</volume>
<page-range>73-96</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[HAMILTON]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[CABALLERO]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[COLLINS]]></surname>
<given-names><![CDATA[A.G]]></given-names>
</name>
<name>
<surname><![CDATA[BROWNELL]]></surname>
<given-names><![CDATA[R.L]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Evolution of river dolphins]]></article-title>
<source><![CDATA[Proc. R. Soc. Lond. Biol. Sci]]></source>
<year>2001</year>
<volume>268</volume>
<page-range>549-556</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[HULBERT]]></surname>
<given-names><![CDATA[R.C]]></given-names>
</name>
<name>
<surname><![CDATA[MORGAN]]></surname>
<given-names><![CDATA[G.S]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Mammalia 9: Whales and dolphins]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[HULBERT]]></surname>
<given-names><![CDATA[R.C]]></given-names>
</name>
</person-group>
<source><![CDATA[The Fossil Vertebrates of Florida]]></source>
<year>2001</year>
<page-range>331-342</page-range><publisher-loc><![CDATA[Gainesville ]]></publisher-loc>
<publisher-name><![CDATA[Univ. Press of Florida]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[ICHISHIMA]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[BARNES]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[FORDYCE]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[KIMURA]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[BOHASKA]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[A review of Kentriodontine dolphins (Cetacea; Delphinoidea; Kentriodontidae): Systematics and Biogeography]]></article-title>
<source><![CDATA[The Island Arc]]></source>
<year>1994</year>
<volume>3</volume>
<page-range>486-492</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[KEIGWIN]]></surname>
<given-names><![CDATA[L.D., Jr]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Isotopic paleoceanography of the Caribbean and East Pacific: role of Panama uplift in late Neogene time]]></article-title>
<source><![CDATA[Sci]]></source>
<year>1982</year>
<volume>217</volume>
<page-range>350-353</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[KELLOGG]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[On the occurrence of remains of fossil porpoises of the genus Eurhinodelphis in North America]]></article-title>
<source><![CDATA[Proc. of the United States Nat. Mus]]></source>
<year>1925</year>
<volume>66</volume>
<numero>26</numero>
<issue>26</issue>
<page-range>1-40</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[KELLOGG]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Fossil cetaceans from the Florida Tertiary]]></article-title>
<source><![CDATA[Bull. Mus. Comparative Zool. at Harvard College]]></source>
<year>1944</year>
<volume>94</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>433-471</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[KELLOGG]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[A new whalebone whale from the Miocene Calvert Formation]]></article-title>
<source><![CDATA[Bull. United States Nat. Mus]]></source>
<year>1965</year>
<month>a</month>
<volume>247</volume><volume>1</volume>
<page-range>1-45</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[KELLOGG]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[The Miocene Calvert sperm whale Orycterocetus]]></article-title>
<source><![CDATA[Bulletin of the United States National Museum]]></source>
<year>1965</year>
<month>b</month>
<volume>247</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>47-63</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[KELLOGG]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[A new odontocete from the Calvert Miocene of Maryland]]></article-title>
<source><![CDATA[Bull.United States National Mus]]></source>
<year>1966</year>
<volume>247</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>99-101</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LAMBERT]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Phylogenetic affinities of the long-snouted dolphin Eurhinodelphis (Cetacea, Odontoceti) from the Miocene of Antwerp, Belgium]]></article-title>
<source><![CDATA[Palaeontol]]></source>
<year>2005</year>
<volume>48</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>653-679</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LAMBERT]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Sperm whales from the Miocene of the North Sea: a re-appraisal]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[STEURBAUT]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[JAGT]]></surname>
<given-names><![CDATA[J.W.N]]></given-names>
</name>
<name>
<surname><![CDATA[JAGT-YAZYKOVA]]></surname>
<given-names><![CDATA[E.A]]></given-names>
</name>
</person-group>
<source><![CDATA[Bull. de l&#8217;Institut Royal des Sci. Nat. de BelgiqueAnnie V. Dhondt Memorial Volume]]></source>
<year>2008</year>
<volume>78</volume>
<page-range>277-316</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LAURITO]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Los seláceos fósiles de la localidad de Alto Guayacán (y otros ictiolitos asociados), Mioceno Superior-Plioceno Inferior de la Formación Uscari, provincia de Limón, Costa Rica]]></source>
<year>1999</year>
<page-range>168</page-range><publisher-loc><![CDATA[^eSan José San José]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LAURITO]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[VALERIO]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Los caballos fósiles de la Formación Curré, cantón de Coto Brus, Costa Rica]]></source>
<year>2010</year>
<page-range>131</page-range><publisher-loc><![CDATA[^eSan José San José]]></publisher-loc>
<publisher-name><![CDATA[Mus. Nac. de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LAURITO]]></surname>
<given-names><![CDATA[C.A]]></given-names>
</name>
<name>
<surname><![CDATA[VALERIO]]></surname>
<given-names><![CDATA[A.L]]></given-names>
</name>
<name>
<surname><![CDATA[HERNANDEZ]]></surname>
<given-names><![CDATA[A.C]]></given-names>
</name>
<name>
<surname><![CDATA[OVARES]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang="es"><![CDATA[Primer registro de un cetáceo fósil (Mammalia, Cetacea, Odontoceti, Squalodontidae) en la Formación Río Banano, Mioceno Medio de Costa Rica, América Central]]></article-title>
<source><![CDATA[Rev. Geol. Amér. Central]]></source>
<year>2011</year>
<volume>44</volume>
<page-range>153-156</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LAURITO]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[VALERIO]]></surname>
<given-names><![CDATA[A.L]]></given-names>
</name>
<name>
<surname><![CDATA[GOMEZ]]></surname>
<given-names><![CDATA[L.D]]></given-names>
</name>
<name>
<surname><![CDATA[MEAD]]></surname>
<given-names><![CDATA[J.I]]></given-names>
</name>
<name>
<surname><![CDATA[PEREZ]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[PEREZ]]></surname>
<given-names><![CDATA[L.G]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[A Trionychidae (Reptilia: Testudines, Cryptodira) from the Pliocene of Costa Rica, southern Central America]]></article-title>
<source><![CDATA[Rev. Geol. Amér. Central]]></source>
<year>2005</year>
<volume>32</volume>
<page-range>7-11</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LOUWYE]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[MARQUET]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[BOSSELAERS]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[LAMBERT]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Stratigraphy of an early-middle Miocene sequence near Antwerp in northern Belgium (southern north sea basin)]]></article-title>
<source><![CDATA[Geologica Belgica]]></source>
<year>2010</year>
<volume>13</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>269-284</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MEYLAN]]></surname>
<given-names><![CDATA[P.A]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[The phylogenetic relationships of soft-shelled turtles (family Trionychidae)]]></article-title>
<source><![CDATA[Bull. Amer. Mus. Nat. Hist]]></source>
<year>1987</year>
<volume>186</volume>
<page-range>1-110</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MISONNE]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
</person-group>
<article-title xml:lang="fr"><![CDATA[Faune du Tertiare et du Pléistocène inférieur de Belgique (Oiseaux et mammifères)]]></article-title>
<source><![CDATA[Bull. de l&#8217;Institut Royal des Sci. Nat. de Belgique]]></source>
<year>1958</year>
<volume>34</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1-36</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MORGAN]]></surname>
<given-names><![CDATA[G.S]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Miocene and Pliocene marine mammal faunas from the Bone Valley Formation of central Florida]]></article-title>
<source><![CDATA[]]></source>
<year>1994</year>
<volume>29</volume>
<page-range>239-268</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DE MUIZON]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[DEVRIES]]></surname>
<given-names><![CDATA[T.J]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Geology and paleontology of late Cenozoic marine deposits in the Sacaco area (Peru)]]></article-title>
<source><![CDATA[Geologische Rundschau]]></source>
<year>1985</year>
<volume>74</volume>
<page-range>547-563</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[OISHI]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[HASEGAWA]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[A list of fossil cetaceans in Japan]]></article-title>
<source><![CDATA[The Island Arc]]></source>
<year>1995</year>
<volume>3</volume>
<page-range>493-505</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[PILLERI]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<source><![CDATA[The Miocene Cetacea of the Pietra Leccese with special reference to the Cosimo de Giorgi Collection, Lecce]]></source>
<year>1986</year>
<page-range>27</page-range><publisher-name><![CDATA[Univ of Berne]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[PIVETEAU]]></surname>
<given-names><![CDATA[M.J]]></given-names>
</name>
</person-group>
<article-title xml:lang="fr"><![CDATA[Un nouveau gisement de Vertèbres dans le Chersonian Kurtchuk-Tchenkmedje Ouest (Thrace turque)]]></article-title>
<source><![CDATA[Comptes Rendus Hebdomadaires des séances de L&#8217;Académie des Sciences]]></source>
<year>1978</year>
<volume>287</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>455-458</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[PYENSON]]></surname>
<given-names><![CDATA[N.D]]></given-names>
</name>
<name>
<surname><![CDATA[HOCH]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Tortonian pontoporiid odontocetes from the Eastern North Sea]]></article-title>
<source><![CDATA[J. Vertebrate Paleont]]></source>
<year>2007</year>
<volume>27</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>757-762</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[SÁNCHEZ-VILLAGRA]]></surname>
<given-names><![CDATA[M.R]]></given-names>
</name>
<name>
<surname><![CDATA[ASHER]]></surname>
<given-names><![CDATA[R.J]]></given-names>
</name>
<name>
<surname><![CDATA[RINCÓN]]></surname>
<given-names><![CDATA[A.D]]></given-names>
</name>
<name>
<surname><![CDATA[CARLINI]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[MEYLAN]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[PURDY]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[New faunal reports for the cerro La Cruz locality (Lower Miocene), North-Western Venezuela]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[SÁNCHEZ-VILLAGRA]]></surname>
<given-names><![CDATA[M.R]]></given-names>
</name>
<name>
<surname><![CDATA[CLACK]]></surname>
<given-names><![CDATA[J.A]]></given-names>
</name>
</person-group>
<source><![CDATA[Spec. Papers in PaleontFossil of the Miocene Castillo Formation, Venezuela: Contributions on Neotropic Palaentology]]></source>
<year>2004</year>
<volume>71</volume>
<page-range>105-112</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[SIMPSON]]></surname>
<given-names><![CDATA[G.G]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[The principles of classification and a classification of mammals]]></article-title>
<source><![CDATA[Bull. Amer. Mus. Nat. Hist]]></source>
<year>1945</year>
<volume>85</volume>
<page-range>1-350</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[UHEN]]></surname>
<given-names><![CDATA[M.D]]></given-names>
</name>
</person-group>
<source><![CDATA[Univ. Mich. Mus. Paleontol. Pap. PaleontolForm, function, and anatomy of Dorudon atrox (Mammalia, Cetacea): an Archaeocete from the Middle to Late Eocene of Egypt]]></source>
<year>2004</year>
<volume>34</volume>
<page-range>1-22</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[UHEN]]></surname>
<given-names><![CDATA[M.D]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[The origin(s) of Whales]]></article-title>
<source><![CDATA[Annu. Rev. Earth Planet. Sci]]></source>
<year>2010</year>
<volume>38</volume>
<page-range>189-219</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[VALERIO]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Paleontología, bioestratigrafía y paleoecología de los caballos fósiles de la Formación Curré en el Cantón de Coto Brus, Costa Rica (análisis basado en material dental)]]></source>
<year>2010</year>
<page-range>353</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[WOOD]]></surname>
<given-names><![CDATA[R.C]]></given-names>
</name>
<name>
<surname><![CDATA[PATTERSON]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<source><![CDATA[BrevioraA fossil Trionychid turtle from South America]]></source>
<year>1973</year>
<volume>405</volume>
<page-range>1-10</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
