1971  Rodiezmoceras Wagner-Gentis in Moore, Neves, Wagner & Wagner-Gentis: 349.
     1975  Diaboloceras.-Nassichuk: 149 (perhaps senior synonym of Rodiezmoceras).
     1977  Diaboloceras.-Sauders, Manger & Gordon: 124.
     1978  Rodiezmoceras.-Ruzhentsev & Bogoslovskaya: 63 [like Diaboloceras, state of
              genus unclear].
     2001  Diaboloceras.-Menning, Weyer, Wendt, Riley & Davidov: 733.

Type species: Rodiezmoceras bisati Wagner-Gentis, 1971, p.349 [OD].

     Original Diagnosis by Wagner-Gentis, 1971, p.349: "Conch discoidal with large ambilicus.  Venter and flanks rounded; umbilical shoulder narrowly rounded and umbilical wall inverted.  Ornament with undivided, coarse,transverse ribs directed forwards on the lateral side, formin a salient on the ventro-lateral side and a sinus on the venter.  Dorsally, transverse ribs are present as well as more closely spaced fine, longitudinal lirae. Faint traces of fine spiral lirae occur on the ventro-lateral and ventral sides. Umbilical wall smooth.
No constrictions.  Suture line as in Branneroceras branneri, but differing in the position of the umbilical lobe which is on the lateral side."