1923  Gastrioceras.-Bisat:47 (pars).
     1924  Gastrioceras.-Bisat:119 (pars).
     1959  Gastrioceras.-Patteisky:20 (pars).
     1962  Gastrioceras.-Ramsbottom & Calver:574 (pars).
     1965  Gastrioceras.-Patteisky:17 (pars).
     1969  Cancelloceras Ruzhentsev & Bogloslovskaia:1333 (pars).
     1974  Cancelloceras.-Pitinova:62 (pars).
     1978  Canlelloceras.-Ruzhentsev & Bogoslovskaia:290 (pars).
     1980  Cancelloceras.-Manger & Saunders:42 (pars).
     1987  Cancelloceras.-Ruan & Zhou:139 (pars).
     1987  Reticuloceras.-Yang:163 (pars).
     1987  Cancelloceras.-Yang:165.
     1995  Cancelloceras (Cancelloceras).-Nikolaeva &
           Kullmann:369.

Type species: Gastrioceras cancellatum Bisat 1923: 47. 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.

Cancelloceras (Cancelloceras):

Spirals more pronounced than transverse striae. Number of
umbilical plications does not exceed 25, they persist long and
have a radiate direction at the umbilical shoulder.


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