Where: Pottawatomie County, Iowa (41.3° N, 95.9° W: paleocoordinates 0.8° S, 27.3° W)
When: Dennis Formation (Bronson Group), Kasimovian (307.0 - 303.7 Ma)
• Stake shale, Dennis formation, Bronson group. Missouri series. Westphalian D, Pennsylvanian.
Environment/lithology: marine; shale
Size class: macrofossils
Collected by Gerard R. Case, WD White, W. Rushlau; reposited in the FMNH
Primary reference: R. Zangerl and G. R. Case. 1973. Iniopterygia, a New Order of Chondrichthyan Fishes from the Pennsylvanian of North America. Fieldiana Geology Memoirs 6:1-67 [M. Clapham/P. Vazquez/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 132116: authorized by Matthew Clapham, entered by Priscilla Vazquez on 08.08.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
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