Austroniphargidae Iannilli, Krapp & Ruffo, 2011

Myers, A, 2013, A Phylogeny and Classification of the Senticaudata subord. nov. (Crustacea: Amphipoda), Zootaxa 3610 (1), pp. 1-80 : 46

Austroniphargidae Iannilli, Krapp & Ruffo, 2011

Type genus. Austroniphargus Monod, 1925 .

Diagnostic description. Body laterally compressed. Eyes absent. Antennae 1–2 calceoli absent. Antenna 1 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 short or minute. Antenna 2 peduncular article 1 enlarged, bulbous. Mandible molar triturative; palp symmetrical. Maxilla 1 basal endite apically setose; palps symmetrical or asymmetrical. Maxilla 2 basal endite without oblique setal row. Labium inner lobes vestigial or absent. Coxal gills on pereopods 2–7 or on pereopods 2–6, not stalked; sternal gills absent; sternal blisters absent; oostegites fringing setae simple. Gnathopod 1 subchelate; similar in size to gnathopod 2; propodus palm without robust setae along palmar margin. Gnathopod 2 subchelate; dissimilar in males and females (sexually dimorphic); carpus slightly produced along posterior margin of propodus. Pereopods 3–4 not sexually dimorphic. Pereopod 4 with well developed posteroventral lobe or without posteroventral lobe. Pereopod 5 subequal in length to pereopod 6; coxa with posterodorsal lobe. Pereopod 7 subequal in length to pereopod 5. Pleonites 1–3 without dorsal carinae. Urosomites 1–3 coalesced; without 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 or uniramous, without plumose setae; endopod minute. Telson weakly cleft , notched , emarginate or entire ; dorsal or lateral robust setae present or absent; apical robust setae present.

Habitat. Freshwater, hypogean.

Included genera. Austroniphargus Monod, 1925 ; Libertinia Iannilli, Krapp & Ruffo, 2011 ; Davidia Iannilli, Krapp & Ruffo, 2011 .

Distribution. Madagascar.