Genus Liocardium J. L. R. Agassiz, 1846
(3-5-4-0-4-2-4-19-0-0-0-0-0) [nomen vanum] [=Laevicardium W. Swainson, 1840] [emendation] Ref. Vaught, 1989 p 129 Vokes, 1980 p 129