There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 23474 | S. Holland | Dunleith Formation, Rivoli Member Echinoderms, Upper Mississippi Valley Shermanian - Ordovician 4-5 - Iowa, Illinois | Kolata et al. (1987) |
| 138446 | P. Wagner | Cotylacrinna Sample 1 Burr Oak (coll. Brower) Katian - Ordovician 5 - Iowa | Brower (2013) |