The ammonoid genus Spiroceras (Spiroceratidae, Ammonoidea) from the Upper Bajocian of the Northern Caucasus
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DOI: 10.1134/s0031030117020101
Abstract: Ammonites of the genus Spiroceras are described from the Upper Bajocian of the Kyafar River Basin (Karachay-Cherkessia), including macroconchs with preserved apertures and (for the first time in the entire history of the study of… read more here.
Keywords: ammonoid genus; genus spiroceras; upper bajocian; spiroceratidae ammonoidea ... See more keywords