Ambasia Boeck, 1871

Kaim-Malka, R. A., 2014, New Lysianassoid Amphipods from the North Eastern Atlantic Ocean, Zootaxa 3821 (5), pp. 551-566 : 552

Ambasia Boeck, 1871

Ambasia Boeck, 1871: 97 .— Stebbing, 1906: 51.— Lincoln, 1979: 62.— Barnard & Karaman, 1991: 461.

Type species. Gammarus atlanticus Milne Edwards, 1830 , by monotypy.

Diagnosis. Eyes present or absent. Mouthparts forming quadrate bundle. Labrum and epistome continuous, but differentially produced, prominent, coalesced, epistome dominant in projection and subsharp. Incisor ordinary, molar absent; palp attached strongly proximal. Inner plate of maxilla 1 weakly setose; outer plate with 6 spines; palp 2-articulate, large. Inner and outer plates of maxilliped well developed, palp scarcely exceeding outer plate, dactylus vestigial. Antenna 2, peduncular article 1 comma shaped. Coxa 1 slightly shortened and partly covered by coxa 2. Gnathopod 1 short, simple, articles 5 and 6 subequal, elongate; dactylus small. Article 6 of gnathopod 2 greatly shorter than article 5, ordinary, propodus minutely chelate. Inner ramus of uropod 2 without notch. Uropod 3 ordinary, peduncle ordinary, inner ramus strongly shortened, outer ramus 2-articulate. Telson elongate, deeply cleft. (Diagnosis revised according to Barnard & Karaman, 1991).

Distribution. Marine, Boreal East Atlantic and Arctic, often on starfishes, 20–1400 m ( Barnard & Karaman 1991).