There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 17096 | J. Alroy | Crow Butte (Orella) Orellan - Cenozoic 4 - Nebraska | Thorpe (1922) |
| 17472 | J. Alroy | Big Muddy Creek (= Big Muddy River; Castle Butte; Spanish Diggings; Spanish Mines) Arikareean - Cenozoic 4-5 - Wyoming | Wahlert (1983) |
| 17510 | J. Alroy | Fort Mitchell Arikareean - Cenozoic 4-5 - Nebraska | Loomis (1936) |
| 17531 | J. Alroy | Lawrence's Fork Arikareean - Cenozoic 4-5 - Nebraska | Thorpe (1921) |
| 17580 | J. Alroy | Omaha Creek Arikareean - Cenozoic 4-5 - Nebraska | Thorpe (1921) |
| 17594 | J. Alroy | Rattlesnake Butte Arikareean - Cenozoic 4-5 - Nebraska | Thorpe (1921) |