East of Rockyford (Protoceras Channels) (Oligocene of the United States)
Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.3° N, 95.0° W)
• coordinate based on political unit
When: Poleslide Member (Brule Formation), Whitneyan (33.3 - 30.8 Ma)
Environment/lithology: terrestrial
Primary reference: C. E. Gawne. 1968. The genus Proterix (Insectivora, Erinaceidae) of the Upper Oligocene of North America. American Museum Novitates 2315 [J. Alroy/J. Alroy/J. Ju]more details
PaleoDB collection 17329: authorized by John Alroy, entered by John Alroy on 18.10.1995, edited by Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
• possibly relevant: Merycoidodon bullatus - "Genetochoerus geygani" Schultz and Falkenbach 1968: "about five miles east of Rocky Ford Bridge" possibly in the "Upper Oreodon Zone"
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Mammalia | |
Agnotocastor praetereadens n. sp.6
Agnotocastor praetereadens n. sp.6 Stirton 1935 beaver from "Cheyenne River, White River formation, South Dakota"; referred specimens from "near Rockyford" mentioned by Xu 1996
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Protapirus simplex1 Wortman and Earle 1893 tapir SDSM specimen from Protoceras sandstones 12 km (= 7 mi) E of Rockyford
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Leptochoerus supremus n. sp.5
Leptochoerus supremus n. sp.5 Macdonald 1955 even-toed ungulate from "7 mi. E of Rockyford, Shannon Co."
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Oxetocyon cuspidatus n. sp.4
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Aves | |
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