There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 26306 | S. Holland | Michigan, Richmond Formation, Bill's Creek Beds, Haymeadow Creek Section Ashgill - Ordovician 5 - Michigan | Hussey (1926) |
| 26308 | S. Holland | Michigan, Richmond Formation, Bill's Creek Beds, Squaw Creek Section Ashgill - Ordovician 5 - Michigan | Hussey (1926) |
| 26309 | S. Holland | Michigan, Richmond Formation, Bill's Creek Beds, RR Cut West of Ensign Ashgill - Ordovician 5 - Michigan | Hussey (1926) |
| 26310 | S. Holland | Michigan, Richmond Fm, Bill's Creek Beds, Eastern Side of Little Bay de Noc Ashgill - Ordovician 5 - Michigan | Hussey (1926) |
| 77032 | W. Kiessling | Port Maria [Richmond Fm] Early Eocene - Cenozoic 2 - Jamaica | Wells (1934) |
| 96452 | A. Hendy | "Carbonaceous Shale" [Richmond Fm] Middle Eocene - Cenozoic 2-3 - Jamaica | Woodring (1959) |