Habitus of Ischiomysis proincisa sp. nov.; holotype adult ♂ (BL 3.9 mm, A, B, D) and paratype adult ♀ (4.2 mm, C); A, B. Holotype in toto, lateral (A) and dorsal (B); C. Paratype in toto, dorsal; D. Cephalic region of holotype, ventral. A–D. Photos of fixed specimens, objects artificially separated from background, green coloring of objects artificial.

 
 
  Part of: Wittmann KJ, Wirtz P (2024) An update on the genus Ischiomysis with a description of I. proincisa sp. nov. (Crustacea, Mysida) from a sublittoral marine cave in the Gulf of Guinea (tropical E-Atlantic). Zoosystematics and Evolution 100(4): 1431-1442. https://doi.org/10.3897/zse.100.130288