Genus Isorobitella A. M. Keen, 1962

(3-5-4-0-17-8-3-1-0-0-0-0-0)
Ref. Amer. Fish. Soc., 1988 p 37
Bernard, 1983 p 32
Vaught, 1989 p 127
[see also as Subgenus under Genus Orobitella]
[see also as Genus under Subfamily: MONTACUTINAE]

singularis (A. M. Keen, 1962)
(3-5-4-0-17-8-3-1-0-1-0-0-0)
Syn. Orobitella (Isorobitella) singularis A. M. Keen, 1962
Ref. Bernard, 1983 p 32

trigonalis (P. P. Carpenter, 1857)
(3-5-4-0-17-8-3-1-0-2-0-0-0)
Trigonal Montacutid
Ref. Amer. Fish. Soc., 1988 p 37
Syn. Aligena cerritensis R. Arnold, 1903;
Lasea trigonalis P. P. Carpenter, 1857
Ref. Bernard, 1983 p 32