There are 9 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) |
| 23402 | S. Holland | Decorah Shale Echinoderms, Upper Mississippi Valley Rocklandian/Shermanian - 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) |
| 23405 | S. Holland | Stewartville Formation Echinoderms of the Upper Mississippi Valley Edenian - Ordovician 5 - Minnesota | Kolata et al. (1987) |
| 23408 | S. Holland | Dubuque Formation Echinoderms, Upper Mississippi Valley (Minnesota) Edenian - Ordovician 5 - Minnesota | Kolata et al. (1987) |
| 23409 | S. Holland | Maquoketa Formation, Elgin Member Echinoderms, Upper Mississippi Valley Edenian/Maysvillian - Ordovician 5 - Minnesota | Kolata et al. (1987) |
| 23410 | S. Holland | Maquoketa Formation, Clermont Member Echinoderms, Upper Mississippi Valley Maysvillian - Ordovician 5 - Minnesota | Kolata et al. (1987) |