There are 5 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) |
| 23276 | S. Holland | Sardeson Collection, Platteville Formation Blackriveran/Rocklandian - Ordovician 4-5 - Minnesota | Rice and Hedblom (1987) |
| 23280 | S. Holland | Sardeson Collection, Stewartville Formation Edenian - Ordovician 5 - Minnesota | Rice and Hedblom (1987) |
| 23281 | S. Holland | Sardeson Collection, Dubuque Formation Edenian - Ordovician 5 - Minnesota | Rice and Hedblom (1987) |
| 23282 | S. Holland | Sardeson Collection, Maquoketa Formation, Elgin Member Edenian/Maysvillian - Ordovician 5 - Minnesota | Rice and Hedblom (1987) |