There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 18076 | J. Alroy | Buis Ranch Late Hemphillian - Cenozoic 6 - Oklahoma | Hibbard (1954) |
| 18304 | J. Alroy | Optima (= Guymon; OMNH V52; UCMP V-2902) Hemphillian - Cenozoic 6 - Oklahoma | Hesse (1936) |
| 125717 | J. Alroy | Buckshot Arroyo (OMNH VP locality no. V671) (= Buis Ranch / coll. Czaplewski, Davis 2000) Late Hemphillian - Cenozoic 6 - Oklahoma | Joyce et al. (2012) |