There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 17084 | J. Alroy | Chamberlain Pass (Lower Nodular Zone) Orellan - Cenozoic 4 - South Dakota | Lillegraven et al. (1981) |
| 17317 | J. Alroy | Cedar Pass (Leptauchenia Clays) Whitneyan - Cenozoic 4 - South Dakota | Wilson (1985) |
| 17344 | J. Alroy | Indian Stronghold (Protoceras Channel) Whitneyan - Cenozoic 4 - South Dakota | Osborn and Wortman (1894) |
| 17727 | J. Alroy | Willow Creek Arikareean - Cenozoic 4-5 - Wyoming | Wahlert (1983) |