Genus Decorisepia T. Iredale, 1926

(4-3-4-2-2-3-0-10-0-0-0-0-0)
[=Sepia C. v. Linne, 1758]
Ref. Nesis, 1987 p 94
[questionable placement]
Ref. Vaught, 1989 p 110

cottesloensis B. C. Cotton, 1929
(4-3-4-2-2-3-0-10-0-1-0-0-0)
[?=Sepia (Sepia) rex (T. Iredale, 1926)]
Ref. Nesis, 1987 p 118

jaenschi B. C. Cotton, 1931

(4-3-4-2-2-3-0-10-0-2-0-0-0)
[=Sepia (Sepia) rex (T. Iredale, 1926)]
Ref. Nesis, 1987 p 118