|
Librovitch |
1940 |
Ammonoidea iz kamennougol'nykh otlozhenii Severnogo Kazakhstana.
Paleontologiia SSSR, 4 (9,1): 1-395, fig.1-78, pl.1-25; Moskva.
|
|
|
Manger |
1971 |
The Mississippian ammonoids Karagandoceras and Kazakhstania from Ohio.
Journal of Paleontology, 45 (1): 33-39, fig.1-6, pl.12; Tulsa,Oklahoma.
|