Oedicerina Stephensen 1931
Creators: name: Jażdżewska, Anna M.
name: Brandt, Angelika
name: Arbizu, Pedro Martínez
name: Vink, Annemiek
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Amphipoda
Oedicerotidae
Oedicerina

description: A KEY TO ALL KNOWN SPECIES OFOEDICERINA: 1a. Rostrum strongly deflexed, the angle between the head dorsal margin and rostrum marginc.90 ° (Fig. 1A) ........................................................................................................................................................................... 2 1b. Rostrum curved but not strongly deflexed, the angle between the head dorsal margin and rostrum margin distinctly larger than 90 ° (Fig. 1B) ................................................................................................................. 5 2a. Coxa 1 distinctly wider than deep (width length ratio 1:0.7), anterodistal corner narrowly rounded ........... ............................................................................................................................................................O. henrici2b. Coxa 1 slightly wider than deep or as wide as long (width length ratio 1:0.8–1.0), anterodistal corner broad, bluntly rounded..................................................................................................................................................3 3a. Gnathopod 2 palm straight, maxilliped palp article 3 strongly produced along article 4 .....O. megalopoda3b. Gnathopod 2 palm strongly convex, maxilliped palp article 3 slightly or not produced along article 4 ...... 4 4a. Coxae 1–3 setose (long curled setae), pereopod 7 posterior margin of basis with long plumose setae, posterodistal lobe absent ............................................................................................................O. denticulata4b. Coxa 1–3 sparsely setose (short setae), pereopod 7 posterior margin of basis naked, posterodistal lobe absent ...................................................................................................................................................O. vaderi4c. Coxae 1–3 naked, pereopod 7 posterior margin of basis naked, posterodistal lobe present, nearly as long as ischium ................................................................................................................................................O. claudei5a. Pereonite 7 with posteriorly directed tooth, gnathopod 1 dactylus distinctly longer than palm ...O. teresae5b. All pereonites smooth posteriorly, gnathopod 1 dactylus as long as palm or only minutely longer than palm ........................................................................................................................................................................... 6 6a. Pleonite 3 smooth posteriorly, pereopod 7 posterodistal lobe present, almost as long as ischium.O. loerzae6b. Pleonite 3 with small upright tooth, pereopod 7 posterodistal lobe absent................................................... 7 7a. Coxa 4 anterior margin slightly expanding distally, coxa the widest almost at the anterodistal corner, maxilliped palp article 3 distinctly produced along article 4 ...............................................................O. lesci7b. Coxa 4 anterior margin slightly expanding distally, coxa the widest at 2/3 of its length, maxilliped palp article 3 slightly produced along article 4 ......................................................................................... O. ingolfi
description: Published as part of Jażdżewska, Anna M., Brandt, Angelika, Arbizu, Pedro Martínez & Vink, Annemiek, 2022, Exploring the diversity of the deep sea-four new species of the amphipod genus Oedicerina described using morphological and molecular methods, pp. 181-225 in Zoological Journal of the Linnean Society 194 on page 220, DOI: 10.1093/zoolinnean/zlab032, http://zenodo.org/record/5799308