There are 3 matches

Collection Authorizer Collection name Reference
17133J. Alroy Bear Creek (Lower Nodular Zone) Orellan - Cenozoic 4 - South Dakota Sinclair (1924)
17180J. Alroy Sheep Mountain Table (Lower Nodular Zone) Orellan - Cenozoic 4 - South Dakota - old id Baskin and Tedford (1996)
17295J. Alroy Upper Nodular Zone (1892 AMNH Collection) Orellan - Cenozoic 4 - South Dakota Osborn and Wortman (1894)

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