Pseudorhachotropis, Ortiz & Winfield & Chazaro-Olvera, 2024

Ortiz, M., Winfield, I. & Chazaro-Olvera, S., 2024, A new genus and species of Eusiridae (Crustacea, Amphipoda, Amphilochidea) from bathyal sediments off the southwestern Gulf of Mexico, Zootaxa 5468 (3), pp. 569-580 : 571

publication ID

https://doi.org/ 10.11646/zootaxa.5468.3.9

publication LSID

lsid:zoobank.org:pub:5BD0F46F-CE0B-44D1-BEA9-F900E90A935A

DOI

https://doi.org/10.5281/zenodo.12190429

persistent identifier

https://treatment.plazi.org/id/3357879B-B232-FFA3-FF50-72371B83F9CB

treatment provided by

Plazi

scientific name

Pseudorhachotropis
status

gen. nov.

Pseudorhachotropis gen. nov.

Diagnosis. Head without eyes; rostrum short, pointed, slightly directed downward; pereonal segments smooth dorsally; pleonal segments 1–3 with posterodorsal teeth; urosomal segments 1–2 large posterodorsal processes; antenna 1 peduncle article 3 embedded; antenna 1 accessory flagellum 5–articulate; mandible molar smooth protuberance with large robust setae, mandible palp article 1 as long as 2; one distal robust setae on article 2 of mandible; mandibular palp article 3 half–length of article 2, with one distal robust seta; coxa 1 slightly produced, quadrangular; coxa 4 without posterior lobe; gnathopods 1–2 propodus palmar margin convex, rounded; gnathopod 1 carpus posterior lobe 0.4 x long dactylus; pereopods 3–7 basis narrow; uropod 1 interramal robust seta present; epimeron 3 with three minute–teeth posteroventral corner; telson as long as wide, V inverted shape incised 0.3 x posterior margin, each lobe with 1–2 robust setae; and coxal gills on gnathopod 2 to pereopod 6, short, saccular.

Type species. Pseudorhachotropis longipalpus sp. nov., here selected.

Etymology. Pseudorhachotropis , from the Latin “Pseudo ” and Rhachotropis , for the likeness with this genus.

Remarks. Pseudorhachotropis gen. nov. is morphologically closest to the genus Rhachotropis S.I. Smith, 1883 .

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Amphipoda

SubOrder

Amphilochidea

InfraOrder

Amphilochida

Family

Eusiridae

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF