There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 66166 | S. Peters | Ferrotepec Fm., IGM Loc. 9 Middle Miocene - Cenozoic 5 - Mexico | Durham et al. (1981) |
| 66167 | S. Peters | IGM Mch 2, road to Ferrotepec Mine Middle Miocene - Cenozoic 5 - Mexico | Durham et al. (1981) |