1900  Otoceratidae Hyatt: 533.
     1930  Otoceratidae.-Spath: 7.
     1957  Otoceratidae.-Treatise: L132.
     1958  Otoceratidae.-Osnovy: 22.
     1959  Otoceratidae.-Ruzhentsev: 65.
     1996  Otoceratidae.-Page: 759.

[Ruzhentsev, 1959: The shell is from thickly lens-shaped to ellipsoidal. The ventral side is keeled, tectiform
or rounded, up to 16 lobes present. The ventral lobe is not broad, very short, with narrow wedge shaped or
serrate branches. The external umbilical lobes are from 6 to 3; all are very well formed, with ceratitic
crenulations at the base. The inner lobes, except the dorsal, are relatively broad, also serrate.

Differs from the family Anderssonoceratidae by a different form of the shell and the presence of ceratitic
crenulations; from Araxoceratidae -- different form of the shell and also in essentially different type of
suture line, especially with broad serrate inner lobes.]