Latest Articles from Zoosystematics and Evolution Latest 1 Articles from Zoosystematics and Evolution https://zse.pensoft.net/ Thu, 28 Mar 2024 10:50:50 +0200 Pensoft FeedCreator https://zse.pensoft.net/i/logo.jpg Latest Articles from Zoosystematics and Evolution https://zse.pensoft.net/ 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 https://zse.pensoft.net/article/4124/ Zoosystematics and Evolution 90(2): 95-104

DOI: 10.3897/zse.90.8059

Authors: Carlos Paz Ríos, Pedro Ardisson

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.

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Research Article Wed, 1 Oct 2014 00:00:00 +0300