There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 23546 | S. Holland | Neda Formation Echinoderms, Upper Mississippi Valley Richmondian - Ordovician 5 - Illinois, Iowa | Kolata et al. (1987) |
| 23787 | S. Holland | Neda Formation Cephalopods, Illinois, Iowa, Wisconsin Richmondian - Ordovician 5 - Illinois, Iowa, Wisconsin | Catalani (1987) |