Where: Garfield County, Montana (47.5° N, 106.9° W: paleocoordinates 54.3° N, 80.0° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• The turtle was preserved s a large 'clast' in a medium grained sandstone which lies 5.2 m (27 feet) below the "Z" coal of the Paleocene Ft. Union Formation.
Environment/lithology: terrestrial; argillaceous, conglomeratic sandstone
Size class: macrofossils
Collected by Don and Stan Rasmussen, and John Chorn, University of Kansas in 1971
• KUVP collection, Kansas
Primary reference: K. N. Whetstone. 1978. A new genus of cryptodiran turtles (Testudinoidea, Chelydridae) from the Upper Cretaceous Hell Creek Formation of Montana. Univeristy of Kansas Science Bulletin 51(17):539-563 [R. Benson/R. Benson]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 131973: authorized by Roger Benson, entered by Roger Benson on 03.08.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Emarginachelys cretacea n. gen. n. sp.
Emarginachelys cretacea n. gen. n. sp. Whetstone 1978 turtle KUVP 23488, holotype almost complete skeleton
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