1957  Bisatoceratinae Miller & Furnish,p.L60.
     1960  Homoceratinae.-Ruzhentsev,p.213.
     1962  Homoceratinae.-Osnovy,p.376.
     1975  Bisatoceratidae.-Ruzhentsev,p.33 [nom. transl. ex Bisatoceratinae].
     1978  Bisatoceratidae.-Ruzhentsev & Bogoslovskaia: 302.

Superfam. Thalassocerataceae:

Conch form thick-discoidal to subglobular, involute. Umbilicus narrow or closed. Growth striae biconvex, with ventral sinus.
Ventral lobe extremely wide; height of median saddle may extend considerably half the height of the entire ventral lobe. Lobes
simple (Bisatoceratidae) or serrate and digitate (Thalassoceratidae).

Fam. Bisatoceratidae:

Spiral ornamentation in some forms. Lobes simple. Median saddle reaching almost height of ventral lobe. [Relationship uncertain].