There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 396 | J. Sepkoski | Carroll Lake, Maquoketa Fm. Richmondian - Ordovician 5 - Illinois | Parker (1983) |
| 13259 | M. Foote | Thaerodonta-Cupulocrinus angustus-Cornulites Community of the Brainard Richmondian - Ordovician 5 - Iowa | Frest et al. (1999) |
| 13260 | M. Foote | Thaerodonta-Cupulocrinus angustus-Cornulites Community of the Brainard Richmondian - Ordovician 5 - Iowa | Frest et al. (1999) |
| 164471 | P. Wagner | Near mill 1 mile northwest of Fort Atkinson Richmondian - Ordovician 5 - Iowa | Wang (1949) |