There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 416 | J. Sepkoski | Eastern molluscan dominated biofacies, Platteville Fm. Blackriveran - Ordovician 4-5 - Wisconsin | Bretsky et al. (1977) |
| 417 | J. Sepkoski | Western brachiopod dominated biofacies, Platteville Fm., Minn/Wisc/Iowa/Ill Blackriveran - Ordovician 4-5 - Wisconsin | Bretsky et al. (1977) |
| 55651 | M. Patzkowsky | Platteville Fm, Wisconsin Caradoc - Ordovician 4-5 - Wisconsin | Bretsky et al. (1977) |
| 168429 | P. Wagner | Locality 1, New Glarus Blackriveran - Ordovician 4-5 - Wisconsin | Bretsky et al. (1977) |