Genus Adula H. & A. Adams, 1857

(3-7-5-0-1-2-2-1-0-0-0-0-0)
Ref. Abbott, 1974 p 434
Abbott & Dance, 1982 p 298
Amer. Fish. Soc., 1988 p 23
Bernard, 1983 p 21
Keen, 1971 p 70
Lindner, 1977 p 101
Vaught, 1989 p 117
Vokes, 1980 p 22

californiensis (R. A. Philippi, 1847)
(3-7-5-0-1-2-2-1-0-1-0-0-0)
California Date Mussel, California Datemussel, Californian Date Mussel
Ref. Abbott, 1974 p 434 bw
Abbott & Dance, 1982 p 298 c
Amer. Fish. Soc., 1988 p 23
Syn. Adula stylina P. P. Carpenter, 1864;
Modiola californiensis ex J. F. Eschscholtz, ms, R. A. Philippi, 1847
Ref. Bernard, 1983 p 21

diegensis (W. H. Dall, 1911)
(3-7-5-0-1-2-2-1-0-2-0-0-0)
Non-boring Date Mussel, San Diego Datemussel
Ref. Abbott, 1974 p 434 d
Keen, 1971 p 70 d
Syn. Modiolus (Modiolus) diegensis W. H. Dall, 1911
Ref. Bernard, 1983 p 21

falcata (A. A. Gould, 1851)
(3-7-5-0-1-2-2-1-0-3-0-0-0)
Curved Datemussel, Falcate Date Mussel
Ref. Abbott, 1974 p 434 bw
Amer. Fish. Soc., 1988 p 23
Syn. Lithodomus falcatus A. A. Gould, 1851;
Lithodomus gruneri ex R. A. Philippi, ms, L. A. Reeve, 1858
Ref. Bernard, 1983 p 21

soleniformis (A. Orbigny, 1846) [(1842)] [T]
(3-7-5-0-1-2-2-1-0-4-0-0-0)
Ref. Abbott, 1974 p 434
Keen, 1971 p 70
Syn. Adula soleniformis panamensis A. A. Olsson, 1961;
Mytilus (Mytilus) soleniformis A. Orbigny, 1846
Ref. Bernard, 1983 p 21

panamensis A. A. Olsson, 1961
(3-7-5-0-1-2-2-1-0-4-1-0-0)
Ref. Keen, 1971 p 72 bw
[=Adula soleniformis (A. Orbigny, 1846)]
Ref. Bernard, 1983 p 21

soleniformis (A. Orbigny, 1842)
(3-7-5-0-1-2-2-1-0-4-2-0-0)
Ref. Keen, 1971 p 72 bw

stylina P. P. Carpenter, 1864
(3-7-5-0-1-2-2-1-0-5-0-0-0)
[=Adula californiensis (R. A. Philippi, 1847)]
Ref. Bernard, 1983 p 21