Subgenus (Stenoplax) W. H. Dall, 1879

(7-0-5-3-0-5-4-19-2-0-0-0-0)
Ref. Kaas & Van Belle, 1980 ?

alata (G. B. Sowerby, 1840)

(7-0-5-3-0-5-4-19-2-1-0-0-0)
Elevated Chiton
Size 3" long
Ref. Abbott & Dance, 1982 p 285 c

conspicua (W. H. Dall, 1879)

(7-0-5-3-0-5-4-19-2-2-0-0-0)
Conspicuous Chiton
Size 5" long
Ref. Abbott & Dance, 1982 p 285 c
Amer. Fish. Soc., 1988 p 149

corrugata (H. A. Pilsbry, 1892)

(7-0-5-3-0-5-4-19-2-3-0-0-0)
Ref. Amer. Fish. Soc., 1988 p 149

fallax (H. A. Pilsbry, 1892)

(7-0-5-3-0-5-4-19-2-4-0-0-0)
Ref. Amer. Fish. Soc., 1988 p 149

floridana (H. A. Pilsbry, 1892)

(7-0-5-3-0-5-4-19-2-5-0-0-0)
Florida Slender Chiton
Size 1" long
Ref. Abbott & Dance, 1982 p 284 c
Amer. Fish. Soc., 1988 p 149

heathiana S. S. Berry, 1946

(7-0-5-3-0-5-4-19-2-6-0-0-0)
Ref. Amer. Fish. Soc., 1988 p 149

limaciformis G. B. Sowerby [T]

(7-0-5-3-0-5-4-19-2-7-0-0-0)
Ref. Kaas & Van Belle, 1980

producta (L. A. Reeve, 1847)

(7-0-5-3-0-5-4-19-2-8-0-0-0)
Ref. Amer. Fish. Soc., 1988 p 149