Abyssianira Menzies, 1956

Doti, Brenda Lía & Roccatagliata, Daniel, 2006, On the Atlantic species of the genus Abyssianira Menzies, 1956 (Isopoda: Asellota: Paramunnidae), Zootaxa 1252, pp. 1-35 : 3

Genus Abyssianira Menzies, 1956

Type species: Abyssianira dentifrons Menzies, 1956

Diagnosis: (Emended after Just, 1990)

Head dipping steeply downward and curving into a thin horizontal frontal plate (not in A. argentenensis ), which is distally convex and denticulate. Eyestalks prominent, apically rounded or pointed, without ocelli. Pereonites 5– 7 set apart from anterior four. Coxal plates visible in dorsal view on at least pereonites 5–7. Lateral margins of pleotelson denticulate. Antenna, article 3 slightly longer than broad and distinctly shorter than article 5. Mandible palp present, molar process cylindrical with truncate apex. Uropods with distinct protopod and biramous, inserted dorsally just inside lateral margin.