There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 13204 | M. Foote | Diamphidiocystis-Bucanopsis Community Of the Brainard Formation Richmondian - Ordovician 5 - Iowa | Frest et al. (1999) |
| 26683 | M. Foote | Thaerodonta recedens-Iowacystis sagittaria Comm., Elgin Member, Maquoketa Fm. Maysvillian - Ordovician 5 - Iowa | Frest et al. (1999) |
| 75744 | P. Novack-Gottshall | Unit 8, Fort Atkinson Formation Richmondian - Ordovician 5 - Wisconsin | Sivon (1980) |