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Revista de Biología Tropical

On-line version ISSN 0034-7744Print version ISSN 0034-7744


MENDEZ, Nuria. Deep-water polychaetes (Annelida) from the southeastern Gulf of California, Mexico. Rev. biol. trop [online]. 2006, vol.54, n.3, pp.773-785. ISSN 0034-7744.

Polychaetes inhabiting deep-sea soft bottoms from the southeastern Gulf of California were collected during four oceanographic cruises during 2000 and 2001. Sampling of benthic organisms was performed with a benthic sledge to collect epifauna and a Karling dredge for epifauna and infauna, in a depth range from 732 to 2 250 m. A list of the polychaetes that were collected and their distribution are presented here. A total of 73 species (distributed among 33 families) were identified. Moreover, 11 species were identified only to genus level and 20 species only to family level. With the exception of Ancistrosyllis hartmanae and Melinnampharete eoa, all identified species have been previously reported in soft bottoms of the Gulf of California or in adjacent areas. Additional previously unreported information is provided herein regarding depth ranges, geographical distribution, morphology and tubes inhabited by the organisms. The morphology of the ampharetids Amage sp. and Samytha sp. does not coincide with that of other species in these genera reported for the Gulf of California, which suggests that they are probably undescribed species. Rev. Biol. Trop. 54 (3): 773-785. Epub 2006 Sept. 29.

Keywords : Polychaeta; deep-sea; tubes of polychaetes; bathymetric distribution; southeastern Gulf of California; Mexico.

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