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Nikolaeva, Kulagina & Gorozhanina |
2015 |
Carboniferous ammonoids of the Zilair Synclinorium (South Urals)
Sovremennye problemy izycheniya golovonogikh mollyskov. Morfologiya, sistematika, evolyutsiya, ekologiya i biostratigrafiya, Paleontologicheskii Institute, Moscow, pp. 75-77
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Ruzhencev & Bogoslovskaya |
1978 |
Namyurskiy etap v evolyutsii ammonodey. Pozdnenamyurskiye ammonoidei.
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