1924  Gastrioceras.-Bisat:119 (pars).
     1925  Gastrioceras.-Schmidt:590 (pars).
     1926  Gastrioceras.-Wright:196 (pars).
     1941  Gastrioceras.-Delépine:87 (pars).
     1943  Gastrioceras.-Demanet:282 (pars).
     1959  Gastrioceras.-Patteisky:20 (pars).
     1962  Gastrioceras.-Ramsbottom & Calver:574 (pars).
     1965  Gastrioceras.-Patteisky:17 (pars).
     1969  Cancelloceras Ruzhentsev & Bogloslovskaia:133 (pars).
     1974  Cancelloceras.-Pitinova:62 (pars).
     1978  Canlelloceras.-Ruzhentsev & Bogoslovskaia:290 (pars).
     1980  Cancelloceras.-Manger & Saunders:42 (pars).
     1987  Cancelloceras.-Ruan & Zhou:139 (pars).
     1995  Cancelloceras (Crencelloceras).-Nikolaeva &
           Kullmann:369.

Type species: Cancelloceras elegans Ruzhentsev & Bogoslovskaia
1978: 286; pl.41 fig.1-6.

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 (Crencelloceras):
Transverse ornamentation more pronounced than spirals and with
umbilical plications subradiate on umbilical shoulder, usually
more numerous than in other subgenera.