There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 191854 | M. Clapham | USGS 16003, southwest of Marmarth (coll. Barnum Brown 1931) Maastrichtian - Cretaceous 8 - North Dakota | Feldmann et al. (2008) |
| 191855 | M. Clapham | Highway 270, Redbird Early Maastrichtian - Cretaceous 8 - Wyoming | Feldmann et al. (2008) |
| 191856 | M. Clapham | Northern Cedar Creek anticline Maastrichtian - Cretaceous 8 - Montana | Feldmann et al. (2008) |
| 191857 | M. Clapham | USGS 22972, southwest of Mingusville Maastrichtian - Cretaceous 8 - Montana | Feldmann et al. (2008) |