Ischiomysis proincisa sp. nov.; paratype adult ♂ (BL 4.5 mm, A, B) and nauplioid larvae (C, D); A. Uropods, ventral; B. Telson and right scutellum paracaudale (sc), ventral; C. Nauplioid larva at substage N4, lateral; lower case labels indicate antennula (a1) and antenna (a2); D. Tip of pleon in another nauplioid specimen. Panel (A) combined from two photos; A–D. Green coloring of objects artificial; B–D. Objects artificially separated from background.

 
 
  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