Subgenus (Pulsellum) F. Stoliczka, 1868

(8-0-2-0-0-3-0-3-2-0-0-0-0)

aberrans (J. F. Whiteaves, 1887)

(8-0-2-0-0-3-0-3-2-1-0-0-0)
Aberrant Toothshell
Ref. Amer. Fish. Soc., 1988 p 51

lobatum (G. B. Sowerby, 1860

(8-0-2-0-0-3-0-3-2-2-0-0-0)
Lobate Toothshell
Ref. Amer. Fish. Soc., 1988 p 51

occidentale (J. Henderson, 1920)

(8-0-2-0-0-3-0-3-2-3-0-0-0)
Westerly Toothshell
Ref. Amer. Fish. Soc., 1988 p 51

salishorum E. Marshall, 1980

(8-0-2-0-0-3-0-3-2-4-0-0-0)
Salish Toothshell
Ref. Amer. Fish. Soc., 1988 p 51

verrilli (J. Henderson, 1920)

(8-0-2-0-0-3-0-3-2-5-0-0-0)
Verrill Toothshell
Ref. Amer. Fish. Soc., 1988 p 51