About 10 or 15 miles west of north of Red Lodge (Paleocene of the United States)
Where: Montana (45.2° N, 109.5° W: paleocoordinates 51.5° N, 87.8° W)
• coordinate estimated from map
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by C. F. Kay, of the United States Geological Survey in 1908
Primary reference: E. S. Gaffney. 1972. The systematics of the North American family Baenidae (Reptilia, Cryptodira). Bulletin of the American Museum of Natural History 147(5):245-312 [J. Alroy/M. Sommers/R. Benson]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 128448: authorized by Roger Benson, entered by Roger Benson on 09.06.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
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Reptilia | |
Chisternon interpositum n. sp.
Chisternon interpositum n. sp. Hay 1909 turtle USNM 6058, anterior portions of carapace and plastron
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