There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 40823 | D. Bottjer | USNM806i, Cerros de los Monos, El Antimonio, Sonora Wordian - Permian 4 - Mexico | Cooper et al. (1953) |
| 40827 | D. Bottjer | USNM806k, Cerros de los Monos, El Antimonio, Sonora Wordian - Permian 4 - Mexico | Cooper et al. (1953) |
| 40830 | D. Bottjer | USNM806l, Cerros de los Monos, El Antimonio, Sonora Wordian - Permian 4 - Mexico | Cooper et al. (1953) |
| 63057 | T. Olszewski | King 34, Bed 12, Malascachas section, Las Delicias Roadian - Permian 3 - Mexico | King (1944) |
| 133173 | M. Clapham | Cerro Caballo, section 1, bed 14, Las Delicias (coll. King 1926) Roadian - Permian 3 - Mexico | King (1931) |
| 133176 | M. Clapham | Bed 8, Malascachas section (Newell coll) (coll. Norman Newell) Roadian - Permian 3 - Mexico | King (1944) |