PBDB Collection

Red Desert (Eocene of the United States)

Where: Sweetwater County, Wyoming (41.7° N, 109.0° W: paleocoordinates 46.6° N, 92.6° W)

• coordinate based on political unit

When: Main Body Member (Wasatch Formation), Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: C. L. Gazin. 1965. Early Eocene mammalian faunas and their environment in the vicinity of the Rock Springs Uplift, Wyoming. Wyoming Geological Association Guidebook 19:171-180 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 15717: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• said to be in the "Red Desert Tongue" (= Main Body)
apparently includes UW V-58003 and V-58004, since Bown and Rose 1987 state that Gazin's "Absarokius nr. abbotti" came from these localities

Show authors, comments, and common names

Mammalia
Macroscelidea - Apheliscidae	Haplomylus speirianus Haplomylus speirianus Cope 1880 elephant shrew
Condylarthra - Hyopsodontidae	Hyopsodus loomisi Hyopsodus loomisi McKenna 1960 condylarth
Artiodactyla - Diacodexeidae	Diacodexis sp.¹ Diacodexis sp.¹ Cope 1882 even-toed ungulate
Theriamorpha - Phenacodontidae	Meniscotherium cf. tapiacitum¹, Copecion brachypternus³ Meniscotherium cf. tapiacitum¹ Cope 1882 condylarth Copecion brachypternus³ Cope 1882 condylarth
Perissodactyla - Palaeotheriidae	Hyracotherium sp.¹ Hyracotherium sp.¹ Owen 1841 odd-toed ungulate
Primates - Notharctidae	Copelemur praetutus¹, Cantius cf. frugivorus¹ Copelemur praetutus¹ Gazin 1962 primate Cantius cf. frugivorus¹ Cope 1875 primate
Primates - Omomyidae	Steinius cf. vespertinus¹, Absarokius gazini² Steinius cf. vespertinus¹ Matthew 1915 tarsier Absarokius gazini² Bown and Rose 1987 tarsier
Primates - Microsyopidae	Microsyops latidens² Microsyops latidens² Cope 1882 primate UW V-58003
Cimolesta - Esthonychidae	Esthonyx sp.¹ Esthonyx sp.¹ Cope 1874 tillodont

¹Alroy 2002; ²Bown and Rose 1987; ³Thewissen 1990