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†Polycyathus Vologdin 1928
urn:lsid:organismnames.com:name:1630551
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†Polycyathus Vologdin 1928
Vologdin 1928. On some extra-ordinary new forms of Archaeoeya-thinae from the Cambrian of Siberia. Annuaire de la Societe Paleontologique de Russie, 7 1928: pp. 25-46