There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 40831 | D. Bottjer | USNM806m, Cerros de los Monos (= USNM806m, Cerros de los Monos, El Antimonio, Sonora) Wordian - Permian 4 - Mexico | Cooper et al. (1953) |
| 40834 | D. Bottjer | USNM806n, Cerros de los Monos, El Antimonio, Sonora Wordian - Permian 4 - Mexico | Cooper et al. (1953) |