Genus Aligena H. C. Lea, 1846

(3-5-4-0-17-8-1-1-0-0-0-0-0)
Ref. Keen, 1971 p 140
[see also under Family: KELLIIDAE; Subfamily: KELLIINAE]

cerritensis R. Arnold, 1902
(3-5-4-0-17-8-1-1-0-1-0-0-0)
[=Isorobitella trigonalis (P. P. Carpenter, 1857)]
Ref. Bernard, 1983 p 32

cokeri W. H. Dall, 1909
(3-5-4-0-17-8-1-1-0-2-0-0-0)
Ref. Keen, 1971 p 140 d

obliqua H. W. Harry, 1969
(3-5-4-0-17-8-1-1-0-3-0-0-0)
[=Orobitella obliqua (H. W. Harry, 1969)]
Ref. Bernard, 1983 p 32

nucea W. H. Dall, 1913
(3-5-4-0-17-8-1-1-0-4-0-0-0)
Ref. Keen, 1971 p 140 d