Ischiomysis proincisa sp. nov., paratypes adult ♀ (BL 4.3 mm, A, E, I) and adult ♂ (BL 4.5 mm, B–D, F–H, J–K); A. Right female antennula with associated processes from the frons, dorsal; B. Left male antennula, dorsal; details of the terminal segment of the trunk show the disto-median lobe (C) and the disto-mesial flagellate spine (D); E. Disto-mesial flagellate spine from left female antennula, dorsal; F. Antenna with antennal gland, dorsal, many setae omitted from the antennal scale; G. Carapace expanded on slide; H. Detail of (G) showing posterior pore group, pore diameters not to scale; I. Labrum, aboral face; J. Labium, frontal face; K. Maxillula, caudal.

 
 
  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