1971 Sudeticeras varians karagandense Ruzhencev &
Bogoslovskaya: 160, pl.4 fig.4,5.
1991 Sudeticeras karagandense.-Liang & Wang: 84,
text-fig.55, pl.21 fig.5,6, pl.28 fig.11,12.

Fig. see TAX2207 F-G (sutures).