1978  Monitoceras Ruzhentsev & Bogoslovskaia:288.
    1995  Cancelloceras (Monitoceras).-Nikolaeva & Kullmann:369.

Type species: Gastrioceras marianum karpinskii Yanishevskii 1900, p.319 [OD].

Cancelloceras:
A: Conch moderately involute.
B-D: Well developed tubercles on umbilical shoulder like Gastrioceras, but with reticulate ornamentation at maturity.
G: Suture resembling Gastrioceras.

Three subgenera: Cancelloceras (Cancelloceras), Cancelloceras
(Crencelloceras), Cancelloceras (Monitoceras).

Cancelloceras (Monitoceras):
B: Strong transverse ornamentation more pronounced than spirals; umbilical riblets disappearing on early stages.
G: Ventral lobe rather shallow and broad.