There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 23092 | S. Holland | Wagner Quarry Cystoid Bed, Goodhue County, MN Shermanian - Ordovician 4-5 - Minnesota | Sloan and DesAutels (1987) |
| 23399 | S. Holland | Glenwood Formation Echinoderms, Upper Mississippi Valley Blackriveran - Ordovician 4-5 - Minnesota | Kolata et al. (1987) |
| 23400 | S. Holland | Platteville Formation Echinoderms, Upper Mississippi Valley (Minnesota) Blackriveran/Rocklandian - Ordovician 4-5 - Minnesota | Kolata et al. (1987) |
| 23404 | S. Holland | Prosser Limestone Echinoderms of the Upper Mississippi Valley Shermanian - Ordovician 4-5 - Minnesota | Kolata et al. (1987) |