Keokuk limestone, Keokuk (Carboniferous of the United States)
Where: Iowa (40.4° N, 91.4° W: paleocoordinates 17.6° S, 35.9° W)
When: Keokuk Limestone Formation (Augusta (Osage) Group), Osagean (352.0 - 343.0 Ma)
Environment/lithology: marine; limestone
Size class: macrofossils
Collection methods: Repository: Museum of Comparative Zoology
Primary reference: C. R. Eastman. 1903. Carboniferous fishes from the central western States. Bulletin of the Museum of Comparative Zoology 39:163-226 [M. Clapham/P. Vazquez/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 133094: authorized by Matthew Clapham, entered by Priscilla Vazquez on 01.09.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Chondrichthyes | |
Phoebodus densneptuni n. sp.
Phoebodus densneptuni n. sp. Eastman 1903 elasmobranch | |
"Deltodus occidentalis" = Cochliodus occidentalis, Deltodus spatulatus
"Deltodus occidentalis" = Cochliodus occidentalis Leidy 1857 chimaera
Deltodus spatulatus Newberry and Worthen 1866 chimaera | |
Chomatodus inconstans Saint John and Worthen 1875 chimaera |