There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 23481 | S. Holland | Dunleith Formation, Wall Member Echinoderms, Upper Mississippi Valley Shermanian - Ordovician 4-5 - Illinois, Iowa | Kolata et al. (1987) |
| 23486 | S. Holland | Dunleith Formation, Wyota Member Echinoderms, Upper Mississippi Valley Shermanian - Ordovician 4-5 - Illinois, Iowa | Kolata et al. (1987) |