There are 8 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 23394 | S. Holland | Decorah Shale Crinoids of the Twin Cities Area Rocklandian/Shermanian - Ordovician 4-5 - Minnesota | Brower (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) |
| 23403 | S. Holland | Cummingsville Formation Echinoderms, Upper Mississippi Valley 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) |
| 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) |