Mysidetes illigi from ice cave of Bernard Island, Antarctica. Adult females BL 18.1 mm (A, C–E), 18.4 mm (B) A head, lateral B anterior body region, dorsal, dashed line enhances the anterior contour of carapace C paired circular structures symmetrically arranged in front of posterior margin of carapace D series of cuticle structures parallel to lateral margin of carapace E tail fan, lateral.

 
 
  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