There are 7 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 357 | J. Sepkoski | F-231 (= Thaerodonta-Oniella community, Maquoketa Fm.) Maysvillian/Richmondian - Ordovician 5 - Minnesota | Bayer (1967) |
| 396 | J. Sepkoski | Carroll Lake, Maquoketa Fm. Richmondian - Ordovician 5 - Illinois | Parker (1983) |
| 421 | J. Sepkoski | Dubuque, Maquoketa Fm. Richmondian - Ordovician 5 - Iowa | Parker (1983) |
| 356 | J. Sepkoski | Basal Maquoketa fm., basal Richmondian Richmondian - Ordovician 5 - Iowa | Bretsky and Bermingham (1970) |
| 13200 | M. Foote | Roadcut near Turkey Creek on south side of county highway east of Fort Atkinson (= Porocrinus fayettensis-Pleurocystites beckeri-Sygcaulocrinus typus Community at) Richmondian - Ordovician 5 - Iowa | Frest et al. (1999) |
| 192175 | P. Wagner | F-240. Bed 5 Maysvillian/Richmondian - Ordovician 5 - Minnesota | Bayer (1967) |
| 197197 | P. Wagner | Clermont Richmondian - Ordovician 5 - Iowa | Parsley (1970) |