pt. 1959  Prototoceras Ruzhentsev: 61.
     1962  Vescotoceras Ruzhentsev: 96.
     2002  Prototoceras.-Leonova: S107.

Type species: Protototceras acutum Ruzhentsev, 1959, p.    ; OD.

[Ruzhentsev 1962, p. 96, Vescotoceras:
Conch not large, discocone to felloe-like, whorls tight or not wide (width/diameter = 0.25-0.4), venter roof-like.  Umbilicus of varying width (umbilicus/diameter = 0.5-0.3), its rim protruding.  All lobes shallow, the ventral shorter than first umbilical.  Second umbilical lobe weakly developed.  Saddles wide.]