Quinn Draw (Lower 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. D. Matthew. 1905. Notice of two new genera of mammals from the Oligocene of South Dakota. Bulletin of the American Museum of Natural History 21(3):21-26 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17162: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Terri Cleary
Creative Commons license: CC BY (attribution)
Taxonomic list
• most of Quinn Draw is in Shannon Co., formerly Washington Co.; the very last mile of it is in Pennington Co.
Show authors, comments, and common names
Mammalia | |
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Eutypomys thomsoni n. sp.
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Mesohippus bairdi2 Leidy 1850 anchitheriine horse two localities within 1 mi E of the head of Quinn Draw in the LNZ
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"Nanochoerus elegans n. sp." = Leptochoerus elegans4
"Nanochoerus elegans n. sp." = Leptochoerus elegans4 Macdonald 1955 even-toed ungulate "lower Oreodon zone, Quinn Draw Basin, Pennington Co."
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"Merycoidodon culbertsoni" = Merycoidodon culbertsonii6 Leidy 1848 oreodont "Merycoidodon culbertsoni osborni": "head of Quinn Draw" Brule Zone A; also includes their "Paramerycoidodon georgei" from "head of Quinn Draw"; "Genetochoerus periculorum" from "head of Quinn Draw"; all Brule Zone A
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Reptilia | |
Peltosaurus granulosus3 Cope 1873 squamates PU 10988, median portions of both rami with numerous fragments of skull dermal scutes and vertebrae. "lower oreodon beds", coll. Hatcher 1894
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