A Phylogeny and Classification of the Senticaudata subord. nov. (Crustacea: Amphipoda) Author Myers, A text Zootaxa 2013 3610 1 1 80 journal article 10.11646/zootaxa.3610.1.1 126b5f67-71bb-46e4-874c-7f8864ea8cd1 1175-5326 283309 AA71AC2D-C7BF-43AE-9E25-29A5EC843B89 Iphigenellidae Kamaltynov, 2001 Type genus. Iphigenella Sars, 1896 . Diagnostic description. Body laterally compressed. Eyes well developed, ovoid or reniform. Antenna 1 subequal in length to, or longer than antenna 2; peduncular article 1 longer than article 2; article 2 longer than article 3; article 3 shorter than article 1; peduncular articles 1–2 not geniculate; accessory flagellum short. Antennae 1–2 calceoli absent. Antenna 2 peduncular article 1 enlarged, bulbous. Mandible molar triturative; palp symmetrical. Maxilla 1 basal endite setose along medial margin; palps symmetrical. Coxal gills [not known]; sternal gills absent; sternal blisters absent; oostegites fringing setae simple. Gnathopod 1 subchelate; similar in males and females (not sexually dimorphic); larger (or stouter) than gnathopod 2 ; propodus palm without robust setae along palmar margin. Gnathopod 2 subchelate; similar in males and females (not sexually dimorphic); carpus not produced along posterior margin of propodus, projecting between merus and propodus. Pereopods 3–4 not sexually dimorphic. Pereopod 4 with small posteroventral lobe. Pereopod 5 shorter than pereopod 6 or subequal in length to pereopod 6; coxa equilobate . Pereopod 7 subequal in length to, or longer than pereopod 5. Pleonites 1–3 without dorsal carinae. Urosomites 1–3 free; with slender or robust dorsal setae. Urosomite 1 with large distoventral robust seta. Urosomite 2 without dorsal setae. Uropod 1 without basofacial robust setae. Uropod 3 not sexually dimorphic; biramous, without plumose setae; endopod minute. Telson deeply cleft ; dorsal or lateral robust setae absent; apical robust setae present. Habitat. Freshwater, commensal on decapods, epigean. Included genera. Iphigenella Sars, 1896 . Distribution. Caspian, Black and Azov Seas and associated rivers.