Genus Paratanais Dana, 1852

Diagnosis (Modified from Larsen 2001). Female. Antennule with five articles and without long setulose setae. Antenna article 2 without ventral expansion. Cheliped propodus with one pointed and one blunt wide, flat, outer distal setae near dactylus insertion. Pereopods 4 to 6 with cuticular scales. Pleopod endopod and exopod both with terminal seta. Uropodal exopod with one or two articles.

Male. Eyes three times larger than female. Pleonites of almost similar appearance as pereonites. Antennule with six to eleven articles, articles 3 and 4 with dense ventral group of aesthetascs. Pereopod 1 not modified for tube construction. Pereopods 4 to 6 basis not significantly thicker than that of pereopods 1 to 3, dactylus and terminal spine modified to a claw but still with clear unguis articulation.

Type species. Paratanais elongatus Dana, 1849 .