5 miles west of Cheyenne River midway bn. French & Battle Creek (Eocene of the United States)
Where: South Dakota (43.8° N, 103.2° W: paleocoordinates 45.1° N, 94.3° W)
When: Ahearn Member (Chadron Formation), Chadronian (37.2 - 33.9 Ma)
• member-level stratigraphic resolution
Environment/lithology: terrestrial; gray, white marl
• In a grayish white marl and chalcedony gravel
Size class: macrofossils
Reposited in the YPM
Primary reference: S. G. Lucas and R. M. Schoch. 1982. Duchesneodus, a New Name for Some Titanotheres (Perissodactyla, Brontotheriidae) from the Late Eocene of Western North America. Journal of Paleontology 56(4):1018-1023 [J. Alroy/J. Alroy/J. Ju]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 168799: authorized by Pete Wagner, entered by Pete Wagner on 29.04.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Mammalia | |
Teleodus avus n. gen. n. sp.
Teleodus avus n. gen. n. sp. Marsh 1890 brontothere | |