Resumo

LAURITO, César A. et al. Lower miocene ichthyofauna from the locality of Pacuare de Tres Equis, río Banano formation, Cartago province, Costa Rica and description of a new genus and species of scaridae. Rev. Geol. Amér. Central [online]. 2014, n.50, pp.101-108. ISSN 0256-7024.

A studied of the Lower Miocene fish fauna of the Pacuare de Tres Equis locality is made. In this area it is recorded 8 genera of sharks: Heptranchias, Megaselachus, Isurus, Carcharias, Mitsukurina, Hemipristis, Negaprion and Carcharhinus; and 6 families of osteichthyans, Sparidae, Acanthuridae, Scaridae, Labridae, Sphyraenidae and Tetraodontidae. This fish assemblage points out to infralittoral-neritic, tropical warming waters environments with normal salinity.

Palavras-chave : Rio Banano Formation; Lower Miocene; Heptranchias; Mitsukurina; Carcharhinidae; Scaridae; Costa Rica.

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