Genus Isorobitella A. M. Keen, 1962

(3-5-4-0-19-1-0-3-0-0-0-0-0)
Ref. Amer. Fish. Soc., 1988 p 37
[see also under Superfamily: GALEOMMATACEA; Family: MONTACUTIDAE; Subfamily: MONTACUTINAE]

trigonalis (P. P. Carpenter, 1857)
(3-5-4-0-19-1-0-3-0-1-0-0-0)
Trigonal Montacutid
Ref. Amer. Fish. Soc., 1988 p 37