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Librovitch |
1939 |
Kamennougol'nye otlozheniia raionov r. Shartymkii verkhovii r. Urala. [The Carboniferous of the Schartym River and the upper Ural region].
Trudy tsentralnogo nautchno-issledovatel'skogo geologo-razvedochnogo instituta (TsNIGRI), vypusk 114: 1-43,1 skhema, Leningrad, Moskva.
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Ruzhencev & Bogoslovskaya |
1978 |
Namyurskiy etap v evolyutsii ammonodey. Pozdnenamyurskiye ammonoidei.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 167: 1-336, fig.1-108, pl.1-44; Moskva.
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