There are 4 matches

Collection Authorizer Collection name Reference
40823D. Bottjer USNM806i, Cerros de los Monos, El Antimonio, Sonora Wordian - Permian 3 - Mexico Cooper et al. (1953)
40828D. Bottjer USNM806k', Cerros de los Monos, El Antimonio, Sonora Wordian - Permian 3 - Mexico Cooper et al. (1953)
63057T. Olszewski King 34, Bed 12, Malascachas section, Las Delicias Roadian - Permian 3 - Mexico King (1944)
133173M. Clapham Cerro Caballo, section 1, bed 14, Las Delicias (coll. King 1926) Roadian - Permian 3 - Mexico King (1931)

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