There are 2 matches

Collection Authorizer Collection name Reference
108206M. Clapham Chekarda, Sylva River (PIN collection 1700) (coll. Sharov 1959-1961) Kungurian - Permian 2 - Russian Federation Sharov (1968)
196228M. Clapham Matveevo (Dolomythos Museum collection) Kungurian - Permian 2 - Russian Federation Wachtler (2017)

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