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Simorthoceras Shimanskii 1954
urn:lsid:organismnames.com:name:2847243
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Simorthoceras Shimanskii 1954
Shimanskii 1954. Orthoceratoidea and Bactritoidea from the Sakmarskian and Artinskian beds of the southern Ural. Travaux Inst Paleont Acad Sci URSS, 44 1954: 1-156