Also known as Polycotylus latipinnis referred limb
Where: Kansas (38.9° N, 101.3° W: paleocoordinates 42.3° N, 67.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Smoky Hill Chalk Member (Niobrara Formation), Santonian (86.3 - 83.6 Ma)
• Startigraphy based on other plesiosaur localities in this 'East of Fort Wallace' region
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collected by Mr George R. Allman in <1903
Primary reference: S. W. Williston. 1903. North American plesiosaurs, part 1. Geological Series Field Museum of Natural History 3(1):1-77 [M. Carrano/H. Street]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 118183: authorized by Roger Benson, entered by Roger Benson on 07.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
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