Mysidetes illigi from ice cave of Bernard Island, Antarctica. Adult females BL 18.1 mm (A, C–E, H), 18.4 mm (I); subadult males 13.7 mm (B), 13.1 mm (F, G). A thoracopod 6 including rudimentary oostegite B penis of subadult male C–E series of female pleopods 1, 3, 5 F, G pleopods 4, 5 in subadult male H uropods dorsal, setae omitted I telson. C–G, many setae broken.

 
 
  Part of: Wittmann KJ, Chevaldonné P (2021) First report of the order Mysida (Crustacea) in Antarctic marine ice caves, with description of a new species of Pseudomma and investigations on the taxonomy, morphology and life habits of Mysidetes species. ZooKeys 1079: 145-227. https://doi.org/10.3897/zookeys.1079.76412