There are 7 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) |
| 117974 | M. Clapham | Otlamalacatla, Hidalgo Asselian - Permian 1 - Mexico | Sour-Tovar et al. (2005) |
| 121471 | M. Clapham | USNM, arroyo near Aguaje, Las Delicias Wordian - Permian 4 - Mexico | Yochelson (1956) |
| 198600 | M. Clapham | El Manguito hill, Monte Redondo Roadian - Permian 3 - Mexico | González-Mora et al. (2018) |
| 232711 | M. Clapham | Los Arcos, Olinalá, Unit 4 Guadalupian - Permian 3-4 - Mexico | González-Arreola et al. (1994) |
| 232712 | M. Clapham | Los Arcos, Olinalá, Unit 5 Guadalupian - Permian 3-4 - Mexico | González-Arreola et al. (1994) |
| 232713 | M. Clapham | Los Arcos, Olinalá, Unit 7 (base) Guadalupian - Permian 3-4 - Mexico | González-Arreola et al. (1994) |