There are 5 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 17780 | J. Alroy | Eighteen Mile District (= 18 Miles District, 18 mi southeast of Lusk) Harrisonian - Cenozoic 4-5 - Wyoming | Wang et al. (1999) |
| 17788 | J. Alroy | Guernsey (= Roll Quarry) Harrisonian - Cenozoic 4-5 - Wyoming | Wahlert and Souza (1988) |
| 17796 | J. Alroy | Lay Ranch Beds Harrisonian - Cenozoic 4-5 - Wyoming | Hunt (1985) |
| 17809 | J. Alroy | Niobrara Canyon Harrisonian - Cenozoic 4-5 - Nebraska | Peterson (1907) |
| 17833 | J. Alroy | Royal Valley Harrisonian - Cenozoic 4-5 - Wyoming | Wahlert and Souza (1988) |