There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 23278 | S. Holland | Sardeson Collection, Cummingsville Formation Shermanian - Ordovician 4-5 - Minnesota | Rice and Hedblom (1987) |
| 23290 | S. Holland | Decorah Shale at St. Paul, Minnesota Rocklandian/Shermanian - Ordovician 4-5 - Minnesota | Rice (1987) |