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Description of a new species of Hirsutonuphis (Annelida: Onuphidae) from the Mexican Pacific, with notes on the world distribution of the genus

Published online by Cambridge University Press:  03 May 2013

Alejandra Estrella-Ruiz ,
Pablo Hernández-Alcántara  and
Vivianne Solís-Weiss
Alejandra Estrella-Ruiz
Affiliation:
Laboratorio de Ecología y Biodiversidad de Invertebrados Marinos, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México. Circuito Exterior S/N, Cd. Universitaria, D. F. 04510, México
Pablo Hernández-Alcántara
Affiliation:
Laboratorio de Ecología y Biodiversidad de Invertebrados Marinos, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México. Circuito Exterior S/N, Cd. Universitaria, D. F. 04510, México
Vivianne Solís-Weiss*
Affiliation:
Laboratorio de Ecología y Biodiversidad de Invertebrados Marinos, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México. Circuito Exterior S/N, Cd. Universitaria, D. F. 04510, México
*
Correspondence should be addressed to: V. Solís-Weiss, Laboratorio de Ecología y Biodiversidad de Invertebrados Marinos, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, México D.F. 04510, México email: [email protected]
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Abstract

A new species of Hirsutonuphis (Annelida: Onuphidae) is described from the continental shelf of the Gulf of California, Mexican Pacific. Hirsutonuphis paxtonae sp. nov. is easily distinguished from eight previously described species belonging to this genus, by the bi- and tri-dentate pseudocompound hooded falcigers on the first 5–6 chaetigers, the pectinate chaetae from chaetigers 6–11, the bidentate subacicular hooded hooks from chaetigers 18–21, and its colour pattern: a dark transverse band in the dorsal part of the peristomium and on each chaetiger, which gradually fades from chaetigers 12–27. Most species of Hirsutonuphis have been found in the Pacific Ocean, and more particularly in Australian waters, although this new onuphid is the third species of the genus described from the Mexican Pacific, in the Tropical Eastern Pacific. A taxonomic key is provided for all the species of the genus.

Keywords

PolychaetataxonomyEastern Pacificgeographical distribution
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 93 , Issue 7 , November 2013 , pp. 1777 - 1783
Copyright
Copyright © Marine Biological Association of the United Kingdom 2013 

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References

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