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1st Author:
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Bogoslovskaya, Margarita Fedorovna 
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2nd Author:
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3rd Author:
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Year:
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1984 | 
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Title:
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Ammonoidei. In: Kotlyar,G.V. & Stepanov,D.L. [eds.]: Osnovye cherty stratigrafii Permskoi sistemy SSSR. [Main features of Stratigraphy of Permian System in the USSR]. | 
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Reference:
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Trudy, novaia seria, 286: 248-257, tab.7, (Nedra) Leningrad. | 
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Keywords:
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Permian; former Soviet Union | 
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Link:
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