1974  Simmonoceras Kuzina: 29.
     1980  Simmonoceras.-Kuzina: 86.

Type species: Simmonoceras atratum Kuzina, 1974, p.30 [OD].

A:   Conch discoidal, moderately involute, with rather wide umbilicus.
C:   Sculpture consisting of weak riblets.
D:   Constrictions are present.
G:   Ventral lobe relatively wide, but not deep, with rounded sides. Adventitious lobe very small and rounded.

[Only holotype of type species known].

[KUZINA 1980, p.86: Conch quite large, serpenticone, very thin.  Whorls moderately involute.  Umbilicus wide.  
Sculpture of straight weak ribs.  Ventral lobe not wide, with rounded elements and low median saddle.  
First lateral saddle wide and rounded.  Lateral lobe very short, rounded at the base.]