Subgenus (Cookia) R. P. Lesson, 1832
(5-4-1-3-2-12-2-2-6-0-0-0-0) Ref. Lindner, 1977 p 39 [see also as Genus] sulcata (J. F. Gmelin) (5-4-1-3-2-12-2-2-6-1-0-0-0) Cook's Turban Shell Ref. Kaicher, 1988 #5299 bw Penniket, 1970 p 22 c
(5-4-1-3-2-12-2-2-6-0-0-0-0) Ref. Lindner, 1977 p 39 [see also as Genus]
sulcata (J. F. Gmelin) (5-4-1-3-2-12-2-2-6-1-0-0-0) Cook's Turban Shell Ref. Kaicher, 1988 #5299 bw Penniket, 1970 p 22 c