There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 23550 | S. Holland | Decorah Shale Pelecypods, Minnesota Rocklandian/Shermanian - Ordovician 4-5 - Minnesota | Pojeta (1987) |
| 23552 | S. Holland | Prosser Limestone Pelecypods, Upper Mississippi Valley Shermanian - Ordovician 4-5 - Minnesota, Illinois, Iowa | Pojeta (1987) |
| 23558 | S. Holland | Decorah Shale Gastropoda and Monoplacophora, Minnesota Rocklandian/Kirkfieldian - Ordovician 4-5 - Minnesota | Sloan and Webers (1987) |
| 23579 | S. Holland | Cummingsville Formation Gastropoda and Monoplacophora, Minnesota Shermanian - Ordovician 4-5 - Minnesota | Sloan and Webers (1987) |
| 23584 | S. Holland | Prosser Limestone Gastropoda and Monoplacophora, Minnesota Shermanian - Ordovician 4-5 - Minnesota | Sloan and Webers (1987) |
| 23588 | S. Holland | Stewartville Formation Gastropoda and Monoplacophora, Minnesota Edenian - Ordovician 5 - Minnesota | Sloan and Webers (1987) |