There are 8 matches
Collection | Authorizer | Collection name | Reference |
---|---|---|---|
23449 | S. Holland | Quimbys Mill Formation Echinoderms, Upper Mississippi Valley Blackriveran - Ordovician 4-5 - Illinois, Iowa | Kolata et al. (1987) |
23454 | S. Holland | Spechts Ferry Formation Echinoderms, Upper Mississippi Valley Blackriveran/Rocklandian - Ordovician 4-5 - Illinois, Iowa | Kolata et al. (1987) |
23457 | S. Holland | Guttenberg Formation Echinoderms, Upper Mississippi Valley Rocklandian/Kirkfieldian - Ordovician 4-5 - Illinois, Iowa | Kolata et al. (1987) |
23460 | S. Holland | Ion Formarion, Buckhorn Member Echinoderms, Upper MIssissippi Valley Kirkfieldian - Ordovician 4-5 - Illinois, Iowa | Kolata et al. (1987) |
23465 | S. Holland | Ion Formation, St. James Member Echinoderms, Upper Mississippi Valley Kirkfieldian - Ordovician 4-5 - Illinois, Iowa | Kolata et al. (1987) |
23469 | S. Holland | Dunleith Formation, Beecher Member Echinoderms, Upper Mississippi Valley Shermanian - Ordovician 4-5 - Iowa, Illinois | Kolata et al. (1987) |
23470 | S. Holland | Dunleith Formation, Eagle Point Member Echinoderms, Upper Mississippi Valley Shermanian - Ordovician 4-5 - Illinois, Iowa | Kolata et al. (1987) |
138446 | P. Wagner | Cotylacrinna Sample 1 Burr Oak (coll. Brower) Katian - Ordovician 5 - Iowa | Brower (2013) |