Ceinidae J.L. Barnard, 1972

Myers, A, 2013, A Phylogeny and Classification of the Senticaudata subord. nov. (Crustacea: Amphipoda), Zootaxa 3610 (1), pp. 1-80 : 27-28

Ceinidae J.L. Barnard, 1972 a

Type genus. Ceina Della Valle, 1893 .

Diagnostic description. Body laterally compressed. Eyes well developed, round or ovoid. Antennae 1–2 calceoli absent. Antenna 1 shorter than, subequal in length to, or longer than antenna 2; peduncular article 1 longer than article 2; article 2 subequal to or longer than article 3; article 3 shorter than article 1; peduncular articles 1–2 not geniculate; accessory flagellum absent. Antenna 2 peduncular article 1 not enlarged. Mandible molar triturative, non-triturative or a tiny triturating patch; palp absent. Maxilla 1 basal endite apically setose; palp present or absent, if present symmetrical. Maxilla 2 basal endite without oblique setal row. Labium inner lobes vestigial or absent. Coxa gills not stalked, not stalked; sternal gills absent; sternal blisters absent; oostegites fringing setae simple. Gnathopod 1 subchelate; similar in males and females (not sexually dimorphic); smaller (or weaker) than or similar in size to gnathopod 2; propodus palm without robust setae along palmar margin. Gnathopod 2 subchelate; similar or dissimilar in males and females (sexually dimorphic or not); carpus not produced along posterior margin of propodus, projecting between merus and propodus. Pereopods 3–4 not sexually dimorphic. Pereopod 4 with well developed posteroventral lobe. Pereopod 5 shorter than pereopod 6; coxa with posteroventral lobe or with posterodorsal lobe or with large anteroventral lobe. Pereopod 7 longer than pereopod 5. Pleonites 1–3 each with dorsal carina or carinae or without dorsal carinae. Urosomites 1–3 free; without slender or robust dorsal setae. Urosomite 1 without large distoventral robust seta. Urosomite 2 without dorsal setae. Uropod 1 without basofacial robust setae. Uropod 3 not sexually dimorphic; rami absent. Telson moderately cleft , weakly cleft or entire ; dorsal or lateral robust setae absent; apical robust setae absent.

Habitat. Marine, epigean.

Included genera. Ceina Della Valle, 1893 ; Taihape J.L. Barnard, 1972 b; Waitomo J.L. Barnard, 1972 b.

Distribution. Philippines, Australia, New Zealand, South America.