Subgenus (Clypidella) W. Swainson, 1840

(5-4-1-2-1-1-4-9-3-0-0-0-0)
Ref. Abbott, 1974 p 28
Keen, 1971 p 318
Lindner, 1977 p 33
Vaught, 1989 p 6

fascicularis J. B. P. A. de Lamarck, 1822
(5-4-1-2-1-1-4-9-3-1-0-0-0)
Wobbly Keyhole Limpet
Ref. Abbott, 1974 p 28 bw
Amer. Fish. Soc., 1988 p 53

morrisoni J. H. McLean, 1970
(5-4-1-2-1-1-4-9-3-2-0-0-0)
Ref. Keen, 1971 p 318 bw

punctata P. Fischer, 1857 [T]
(5-4-1-2-1-1-4-9-3-3-0-0-0)
Punctate Keyhole Limpet
Ref. Abbott, 1974 p 28 bw
Amer. Fish. Soc., 1988 p 53

subrostrata G. B. Sowerby, 1835
(5-4-1-2-1-1-4-9-3-4-0-0-0)
Ref. Abbott, 1974 p 28