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A new deep-water species of Epimeria (Amphipoda: Gammaridea: Epimeriidae) from the continental slope of western Mexico

Published online by Cambridge University Press:  27 November 2012

I. Winfield ,
M. Ortiz  and
M.E. Hendrickx
I. Winfield
Affiliation:
Laboratorio de Crustáceos, Facultad de Estudios Superiores Iztacala-Universidad Nacional Autónoma de México, Avenida de los Barrios 1, Los Reyes Iztacala, Tlalnepantla, Estado de México, Mexico
M. Ortiz
Affiliation:
Laboratorio de Crustáceos, Facultad de Estudios Superiores Iztacala-Universidad Nacional Autónoma de México, Avenida de los Barrios 1, Los Reyes Iztacala, Tlalnepantla, Estado de México, Mexico
M.E. Hendrickx*
Affiliation:
Laboratorio de Invertebrados Bentónicos, Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Mexico, PO Box 811, Mazatlán, 82000, Sinaloa, Mexico
*
Correspondence should be addressed to: M.E. Hendrickx, Laboratorio de Invertebrados Bentónicos, Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Mexico, PO Box 811, Mazatlan, 82000, Sinaloa, Mexico email: [email protected]
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Abstract

A new species of deep water Epimeria is described based on material collected in 1526–1586 m depth during the TALUD X expedition in the central Gulf of California, Mexico. It is the sixth species of this genus reported for the East Pacific. Epimeria morronei sp. nov. is morphologically similar to E. norfanzi Lörz, 2011 (New Zealand, 1268 m depth) and E. cora J.L. Barnard, 1971 (off Oregon, USA, 2086 m depth). Epimeria morronei sp. nov., however, differs from these two species by a combination of several characters, including: vestigial eyes; multidentate mandibular lacinia mobilis; a distinct setae arrangement in palm and dactylus of gnathopods 1–2; the shape and relative size of coxae 1–5; and the shape of the telson.

Keywords

AmphipodaEpimeriidaeEpimeria new speciescontinental slopeGulf of Californiataxonomy
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 93 , Issue 4 , June 2013 , pp. 991 - 997
Copyright
Copyright © Marine Biological Association of the United Kingdom 2012 

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