Big Sand Draw/Carter Draw (Eocene of the United States)
Where: Fremont County, Wyoming (43.2° N, 108.2° W)
• Paleocoordinates: 51.0° N, 80.7° W (Wright 2013)
• coordinate based on political unit
When: Lost Cabin Member (Wind River Formation), Wasatchian (55.8 - 50.3 Ma)
Environment/lithology: terrestrial
Primary reference: W. W. Korth and R. L. Evander. 1982. A New Species of Orohippus (Perissodactyla, Equidae) from the Early Eocene of Wyoming. Journal of Vertebrate Paleontology 2(2):167-171 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 15902: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC0 (CC0)
Taxonomic list
• includes Thirty-one Cent Q., Pot Luck Q., Bunny Foot Q., and Halfway Draw Q.
date of 49.2 (= 50.5) Ma on Halfway Draw Tuff (Evernden et al. 1964: KA 1012) is 2 mi. WSW of Bunny Foot Q.; however, Mauger 1977 argues that the sample is degraded and the date is probably too young
date of 49.2 (= 50.5) Ma on Halfway Draw Tuff (Evernden et al. 1964: KA 1012) is 2 mi. WSW of Bunny Foot Q.; however, Mauger 1977 argues that the sample is degraded and the date is probably too young
Show authors, comments, and common names
| Mammalia | |
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Hyopsodus sp. Leidy 1870 condylarth | |
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Heptodon sp. Cope 1882 odd-toed ungulate
Homogalax sp. Hay 1899 odd-toed ungulate | |
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Lambdotherium popoagicum Cope 1880 brontothere
Eotitanops cf. borealis Cope 1880 brontothere | |
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Hyracotherium vasacciense Cope 1872 odd-toed ungulate | |
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Orohippus proteros Korth and Evander 1982 horse | |
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Notharctus venticolus Osborn 1902 primate | |
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Microsyops cf. scottianus Cope 1881 primate | |
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Shoshonius cooperi Granger 1910 tarsier | |