1969  Ramositidae Ruzhentsev & Bogoslovskaia: 62.
     1971  Ramositidae.-Ruzhentsev & Bogoslovskaia: 344.

Superfamily Neodimorphocerataceae FURNISH & KNAPP, 1966:

A:   Conch form thick-discoidal to discoidal, with tendency to oxyconic ventral side.
B-C: Sculpture consisting of dichotomizing costellae.
G:   In the course of phylogeny ventral lobe widening and becoming bipartite. Sutural formula:
     [Ger.] (E1EmE1)ALUI --> E1E2EmE2E1)ALUI,
     [Russ.] (V1V1)LU:ID --> (V1.1V1.2V1.2V1.1)LU:ID.

Family Ramositidae RUZHENTSEV & BOGOSLOVSKAIA, 1969:

A:   Conch form thick-discoidal to subdiscoidal, very involute. Umbilicus varying from moderately to extremely narrow.
G:   Ventral lobe wide, its branches being simple; first lateral saddle rounded.

[Ruzhentsev & Bogoslovskaia, 1969, p.62]: Shell from pachyconic to subdiscoconic. Whorls very or completely involute.
Umbilicus from moderately broad to very narrow. Sculpture of dichotomizing costellae, convex or flat. Ventral lobe broad,
its branches simple, mucronate. First outer saddle rounded at the top. Lateral lobe ampullaceous, mucronate basally.

[Ruzhentsev & Bogoslovskaia, 1971, p.344: Conch pachycone to subdiscoidal.  Whorls very or completely involute.  
Umbilicus from moderately wide to very tight.  Sculpture of dichotome ribs, coarse or very thin, radial at first, but then
forming a more or less developed sinus.  Ventral lobe wide;  its prongs simple, sharp.  First outer saddle rounded on top.
 Lateral lobe cup-shaped, sharp at base.]