Genus Papyridea W. Swainson, 1840

(3-5-4-0-4-2-6-7-0-0-0-0-0)
Ref. Abbott, 1974 p 484
Abbott & Dance, 1982 p 329
Amer. Fish. Soc., 1988 p 39
Bernard, 1983 p 37
Keen, 1971 p 155
Lindner, 1977 p 110
Vaught, 1989 p 129
Vokes, 1980 p 127

aspersa [aspersum] (G. B. Sowerby, 1833)
(3-5-4-0-4-2-6-7-0-1-0-0-0)
Panama Paper Cockle
Ref. Abbott & Dance, 1982 p 329 c
Syn. Papyridea californica A. E. Verrill, 1870
Ref. Abbott, 1974 p 484
Syn. Cardium (Cardium) aspersum G. B. Sowerby, 1833;
Cardium (Cardium) spinosum authors [not G. B. Sowerby, 1805, nor L. W. Dillwyn, 1817];
Cardium (Cardium) variegatum authors [not D. C. Solander, 1786];
Papyridea bullata californica A. E. Verrill, 1870
Ref. Bernard, 1983 p 38
Syn. Papyridea bullata californica A. E. Verrill, 1870
Ref. Keen, 1971 p 155 bw

bullata
(3-5-4-0-4-2-6-7-0-2-0-0-0)

bullata (3-5-4-0-4-2-6-7-0-2-1-0-0)

californica A. E. Verrill, 1870
(3-5-4-0-4-2-6-7-0-2-2-0-0)
[=Papyridea aspersa (G. B. Sowerby, 1833)]
Ref. Bernard, 1983 p 38
Keen, 1971 p 155

crockeri (A. M. Strong & L. G. Hertlein, 1937)
(3-5-4-0-4-2-6-7-0-3-0-0-0)
Ref. Abbott, 1974 p 484
Keen, 1971 p 155 bw
Syn. Cardium (Papyridea) crockeri A. M. Strong & L. G. Hertlein, 1937
Ref. Bernard, 1983 p 38

mantaensis A. A. Olsson, 1961
(3-5-4-0-4-2-6-7-0-4-0-0-0)
Ref. Bernard, 1983 p 38
Keen, 1971 p 157 bw

semisulcata (J. E. Gray, 1825)
(3-5-4-0-4-2-6-7-0-5-0-0-0)
Frilled Paper Cockle, Frilled Papercockle
Ref. Abbott, 1974 p 484 bw
Amer. Fish. Soc., 1988 p 39

Form petitianum A. d'Orbigny, 1846
(3-5-4-0-4-2-6-7-0-5-0-1-0)
Ref. Abbott, 1974 p 484

soleniformis (J. G. Bruguiere, 1789) [T]
(3-5-4-0-4-2-6-7-0-6-0-0-0)
Spiny Paper Cockle, Spiny Papercockle
Ref. Abbott, 1974 p 484 c
Abbott & Dance, 1982 p 329 c
Amer. Fish. Soc., 1988 p 39
Keen, 1971 p 155