Some Devonian and Etrenian pelecypods of Armenia
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Abstract
The collection of Devonian and Etrenian platy-fossil mollusks that served as material for the present work (collections of R. A. Arakelyan, Institute of Geological Sciences, Academy of Sciences of the Armenian SSR), unfortunately, does not exhaust the richness and diversity of the fauna of Devonian pele- cypods of Armenia. The poor preservation of the overwhelming majority of forms has complicated the study of their internal structure and, in some cases, the generic diagnosis...
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References
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