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Elasmopus yucalpeten sp. n. (Crustacea, Amphipoda, Maeridae) from the northern Yucatan coast, with a key for the genus in the Gulf of Mexico and biogeographic comments

C. Ríos,P. Ardisson

Published 2014 in Zoosystematics and Evolution

ABSTRACT

A new amphipod species of the genus Elasmopus Costa, 1853 is described and illustrated based on material collected in a harbor on the northern Yucatan coast, southern Gulf of Mexico. Elasmopus yucalpeten sp. n. is recognized from its congeners by a two-articulate accessory flagellum, a group of long robust setae on the anterodistal margin of the gnathopod 2 basis, a distomedial concave portion on palm of gnathopod 2 propodus, long setae on basis posterior margin of pereopods 5–7, and an entire telson. The differences among closely related species are pointed out and they are compared with the new species. An identification key to species of the genus Elasmopus in the Gulf of Mexico and biogeographic comments at the regional and global scales are also provided.

PUBLICATION RECORD

  • Publication year

    2014

  • Venue

    Zoosystematics and Evolution

  • Publication date

    2014-01-10

  • Fields of study

    Biology, Environmental Science

  • Identifiers
    DOI 10.3897/ZSE.90.8059
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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