Subgenus (Tropithaca) Olsson, 1961

(3-4-4-0-26-7-1-57-12-0-0-0-0)
Ref. Abbott, 1974 p 526
Keen, 1971 p 195
Vaught, 1989 p 135
[see also as Genus]

grata (T. Say, 1830)[(1831)]
(3-4-4-0-26-7-1-57-12-1-0-0-0)
Syn. Protothaca (Protothaca) discors G. B. Sowerby, 1835;
Protothaca (Protothaca) fuscolineata G. B. Sowerby, 1835;
Protothaca (Protothaca) tricolor G. B. Sowerby, 1835
Ref. Abbott, 1974 p 526
Syn. Venus (Venus) fuscolineata G. B. Sowerby, 1835;
Venus (Venus) muscaria L. A. Reeve, 1863;
Venus (Venus) pectunculoides A. Valenciennes, 1846;
Venus (Venus) tricolor G. B. Sowerby, 1835
Ref. Keen, 1971 p 195 bw

pertincta (W. H. Dall, 1902)
(3-4-4-0-26-7-1-57-12-2-0-0-0)
Ref. Keen, 1971 p 195 d