Subgenus (Aligena) H. C. Lea, 1843

(3-4-4-0-17-5-2-1-1-0-0-0-0)

cerritensis R. Arnold, 1903
(3-4-4-0-17-5-2-1-1-1-0-0-0)
[=Isorobitella trigonalis (P. P. Carpenter, 1857)]
Ref. Bernard, 1983 p 32
[see under Family: MONTACUTIDAE; Subfamily: OROBITELLINAE]

cokeri W. H. Dall, 1909
(3-4-4-0-17-5-2-1-1-2-0-0-0)
Ref. Bernard, 1983 p 30

diegoana L. G. Hertlein & U. S. Grant, 1972
(3-4-4-0-17-5-2-1-1-3-0-0-0)
San Diego Aligena
Ref. Amer. Fish. Soc., 1988 p 36
Bernard, 1983 p 30

elevata (W. Stimpson, 1851)
(3-4-4-0-17-5-2-1-1-4-0-0-0)
Eastern Aligena
Ref. Amer. Fish. Soc., 1988 p 36

nucea W. H. Dall, 1913
(3-4-4-0-17-5-2-1-1-5-0-0-0)
Ref. Bernard, 1983 p 31

obliqua H. W. Harry, 1969
(3-4-4-0-17-5-2-1-1-6-0-0-0)
[=Orobitella obliqua (H. W. Harry, 1969)]
Ref. Bernard, 1983 p 32
[see under Family: MONTACUTIDAE; Subfamily: OROBITELLINAE]

pisum W. H. Dall, 1908
(3-4-4-0-17-5-2-1-1-7-0-0-0)
Ref. Bernard, 1983 p 31

redondoensis T. Burch, 1941
(3-4-4-0-17-5-2-1-1-8-0-0-0)
[=Axinulus redondoensis (T. Burch, 1941)]
Ref. Bernard, 1983 p 30
[see under Superfamily: LUCINACEA; Family: THYASIRIDAE]

texasiana H. W. Harry, 1969
(3-4-4-0-17-5-2-1-1-9-0-0-0)
Texas Aligena
Ref. Amer. Fish. Soc., 1988 p 36