Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D–F); 0.05 mm (C, G).