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Shilekhin, L. E.; Mazaev, A. V.; Biakov, A. S. (2023). The Earliest Representatives of the Genus Pinna (Bivalvia), from the Early Permian Reef of Shakhtau (Southern Cisuralia, Russia). Paleontological Journal. 57(4): 375-379.
Shilekhin, L. E.; Mazaev, A. V.; Biakov, A. S. (2023). The Earliest Representatives of the Genus Pinna (Bivalvia), from the Early Permian Reef of Shakhtau (Southern Cisuralia, Russia). Paleontological Journal. 57(4): 375-379.