Pseudericthonius, SCHELLENBERG, 1926

Souza-Filho, Jesser F. & Serejo, Cristiana S., 2014, On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters, Zoological Journal of the Linnean Society 170 (1), pp. 34-85 : 75

GENUS PSEUDERICTHONIUS SCHELLENBERG, 1926

Pseudericthonius Schellenberg, 1926: 385 . – J.L. Barnard, 1969: 196. – J.L. Barnard, 1973: 26. J.L. Barnard & Karaman, 1991: 228. – Rauschert, 1997: 28.

Diagnosis

Antenna 1 subequal to antenna 2; peduncular article 1 long and rectangular; accessory flagellum 1-articulate, rudimentary. Eyes present or absent. Mandibular palp well developed and 3-articulate. Maxilla 1 outer margin of inner plate with a row of setae. Gnathopod 1 carpus longer than propodus. Gnathopod 2 male carpochelate; carpus longer and larger than propodus. Gnathopod 2 female carpus longer than propodus. Coxae 1–7 wider than long. Coxa 4 margin smooth; posterior margin not excavated. Coxa 5 with posterodorsal lobe. Pereopods 3 and 4 merus equal in size. Pereopods 5–7 dactylus distal part (at least the propodus and dactylus) directed anteriorly, and with accessory spines. Pereopod 5 dissimilar to pereopods 6 and 7 (in shape and length); carpus short, lunate or reniform, and without denticles or spines on posteroventral margin. Pleosomite without lateral ridges. Pleopods peduncle slender and not expanded. Pleopod 2 inner ramus present, as long as outer ramus. Urosomite 1 without dorsal spines. Uropod 1 peduncle with distoventral