Quinn Draw (Upper Nodular Zone) (Oligocene of the United States)

Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.4° N, 94.3° W)

• coordinate based on political unit

When: Scenic Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial

Primary reference: W. J. Sinclair. 1922. Hyracodons from the Big Badlands of South Dakota. Proceedings of the American Philosophical Society 61:65-79 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 17163: authorized by John Alroy, entered by John Alroy on 18.10.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Hyracodontidae
Hyracodon nebraskensis Leidy 1850 odd-toed ungulate
 Artiodactyla - Merycoidodontidae
Merycoidodon bullatus Leidy 1869 oreodont