There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 10885 | R. Gastaldo | Saginaw and St. Charles Locality Michigan Coal Basin Pennsylvanian - Carboniferous 4-5 - Michigan | Arnold (1949) |
| 10886 | R. Gastaldo | Bay County Locality Michigan Coal Basin Pennsylvanian - Carboniferous 4-5 - Michigan | Arnold (1949) |
| 10888 | R. Gastaldo | Williamston Locality Michigan Coal Basin Pennsylvanian - Carboniferous 4-5 - Michigan | Arnold (1949) |
| 10889 | R. Gastaldo | Grand Ledge Locality Michigan Coal Basin Pennsylvanian - Carboniferous 4-5 - Michigan | Arnold (1949) |