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Gammaropsis elvirae sp. nov., a widely distributed amphipod (Amphipoda: Photidae) in the Yucatan Shelf, with ecological comments and a key for the genus in tropical America

Por: Paz Ríos, Carlos Enrique [autor].
Pech Pool, Daniel Guadalupe [autor].
Tipo de material: Artículo ArtículoTema(s): Gammaropsis elvirae | Amphipoda | Crustáceos | Distribución espacial | Variables ambientalesTema(s) en inglés: Gammaropsis elvirae | Amphipods | Crustacea | Spatial distribution | Environmental variablesDescriptor(es) geográficos: Yucatán (México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Zootaxa. volumen 4555, número 3 (Feb. 2019), páginas 359-371. --ISSN: 1175-5326Número de sistema: 59356Resumen:
Inglés

Gammaropsis elvirae sp. nov. is described and illustrated here, as a new species of the family Photidae Boeck, 1871, occurring on sites widely distributed in the soft-sediment habitats from the Yucatan shelf, southern Gulf of Mexico. This new species differs from all other congeners by a unique set of characteristics: lateral cephalic lobes rounded; outer lobes of lower lip with one cone on each lobe; gnathopod 1 propodus longer than carpus; gnathopod 2 propodus enlarged with small convoluted processes on posterior margin and palmar angle undefined; gnathopod 2 dactylus short, less than one half in length of propodus; dense setation on basis, carpus, and propodus of gnathopod 2; epimeral plates 1-3 rounded; inner ramus of uropods 1-3 longer than outer ramus; and telson emarginated. Ecological comments on spatial distribution and associated environmental variables are included, as well an identification key to the genus in tropical America.

Recurso en línea: https://biotaxa.org/Zootaxa/article/view/zootaxa.4555.3.5
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Disponible para usuarios de ECOSUR con su clave de acceso

Gammaropsis elvirae sp. nov. is described and illustrated here, as a new species of the family Photidae Boeck, 1871, occurring on sites widely distributed in the soft-sediment habitats from the Yucatan shelf, southern Gulf of Mexico. This new species differs from all other congeners by a unique set of characteristics: lateral cephalic lobes rounded; outer lobes of lower lip with one cone on each lobe; gnathopod 1 propodus longer than carpus; gnathopod 2 propodus enlarged with small convoluted processes on posterior margin and palmar angle undefined; gnathopod 2 dactylus short, less than one half in length of propodus; dense setation on basis, carpus, and propodus of gnathopod 2; epimeral plates 1-3 rounded; inner ramus of uropods 1-3 longer than outer ramus; and telson emarginated. Ecological comments on spatial distribution and associated environmental variables are included, as well an identification key to the genus in tropical America. eng

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