Lysianella G.O. Sars, 1883

Lysianella G.O. Sars, 1883: 78 .—G.O. Sars, 1890: 50.— Della Valle, 1893: 797.— Stebbing, 1906: 31.— Gurjanova, 1951: 182.—J.L. Barnard, 1969: 349.— Diviacco & Ruffo, 1989: 509.— Barnard & Karaman, 1991: 499.

Type species. Lysianella petalocera G.O. Sars, 1883, by monotypy.

Included species. Lysianella contains six species: L. dellavallei Stebbing, 1906; L. lui sp. nov.; L. mimica J.L. Barnard, 1962; L. moonamoona sp. nov.; L. morbihanensis (Bellan-Santini & Ledoyer, 1974); L. petalocera G.O. Sars, 1883 .

Diagnostic description. Antenna 1 with strong 2-field callynophore in male and female; accessory flagellum not forming operculum. Antenna 2 flagellum article 4 swollen in male and female with brush setae on the anterior margin. Mandible incisor slightly curved; palp attached midway to slightly distally. Maxilliped outer plate apical robust setae present (1 small and thick). Gnathopod 1 subchelate; coxa large, nearly as long as coxa 2, subrectangular; carpus short, subequal in length to or shorter than propodus. Uropod 2 inner ramus with or without weak constriction. Uropod 3 outer ramus 2-articulate. Telson entire .