Genus Rhombosepion A. T. de Rochebrune, 1884
(4-3-4-2-2-3-0-27-0-0-0-0-0) [=Sepia C. v. Linne, 1758] Ref. Nesis, 1987 p 94 Syn. Parasepia A. Naef, 1758; [Rhombosepia] [=Sepia C. v. Linne, 1758] Ref. Vaught, 1989 p 110