East of Fort Wallace (PROXY) (Cretaceous of the United States)

Also known as Polycotylus latipinnis referred limb

Where: Kansas (38.9° N, 101.3° W: paleocoordinates 44.5° N, 71.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hesperornis other zone, Smoky Hill Chalk Member (Niobrara Formation), Early/Lower Campanian (83.5 - 70.6 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

 Sauropterygia - Polycotylidae
Polycotylus latipinnis Cope 1869 plesiosaur