PBDB Collection

Red Desert: Wasatchian, Wyoming

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Primates - Microsyopidae

	Microsyops latidens (Cope 1882)	Bown and Rose 1987
	UW V-58003
Mammalia - Primates - Omomyidae

	Absarokius abbotti (Loomis 1906)
	= Absarokius gazini Bown and Rose 1987	Bown and Rose 1987
	replaces ID of Gazin 1962; Absarokius omitted by Gazin 1965b; present at both UW localities

	Omomys vespertinus Matthew 1915
	= Steinius cf. vespertinus Matthew 1915	Alroy 2002
Mammalia - Primates - Notharctidae

	Pelycodus praetutus Gazin 1962
	= Copelemur praetutus Gazin 1962	Alroy 2002
	OK according to Beard 1988b

	Pelycodus cf. trigonodus Matthew 1915
	= Cantius cf. frugivorus Cope 1875	Alroy 2002
	also cited by Bown and Rose 1987 (at UW V-58003); may include "Pelycodus jarrovii" of Gingerich and Simons 1977
Mammalia - Phenacodontidae

	Phenacodus cf. brachypternus Cope 1882
	= Copecion brachypternus Cope 1882	Thewissen 1990

	Meniscotherium cf. priscum Granger 1915
	= Meniscotherium cf. tapiacitum Cope 1882	Alroy 2002
	replaces ID of Gazin 1962
Mammalia - Perissodactyla - Palaeotheriidae

	Hyracotherium cf. angustidens (Cope 1875)
	= Hyracotherium sp. Owen 1841	Alroy 2002
	may include a specimen originally identified as "Ectocion" that actually represents Hyracotherium or Xenicohippus, see Bown and Rose 1987
Mammalia - Diacodexeidae

	Diacodexis cf. metsiacus (Cope 1882)
	= Diacodexis sp. Cope 1882	Alroy 2002
	could be D. kelleyi or something else
Mammalia - Condylarthra - Hyopsodontidae

	Hyopsodus loomisi McKenna 1960
Mammalia - Macroscelidea - Apheliscidae

	Haplomylus speirianus (Cope 1880)
Mammalia - Esthonychidae

	Esthonyx cf. bisulcatus Cope 1874
	= Esthonyx sp. Cope 1874	Alroy 2002
	could be E. spatularius
see common names

Geography

Country:	United States	State/province:	Wyoming	County:	Sweetwater
Coordinates:	41.7° North, 109.0° West (view map)
Paleocoordinates:	49.7° North, 82.2° West (Wright 2013)
Basis of coordinate:	based on political unit

Time

Period:	Paleogene	Epoch:	Eocene
Stage:	Ypresian	10 m.y. bin:	Cenozoic 2
*Period:	Tertiary
Key time interval:	Wasatchian
Age range of interval:	54.9 - 50.5 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:	Wasatch	Member:	Main Body
Local section:	GrDiv	Local bed:	1
Local order:	bottom to top

Lithology and environment

Environment:

terrestrial indet.

Taphonomy

Modes of preservation:

body

Collection methods and comments

Taxonomic list comments: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

Metadata

Database number:	15717
Authorizer:	J. Alroy	Enterer:	J. Alroy
Research group:	vertebrate
Created:	1993-02-18 00:00:00	Last modified:	2025-02-22 15:12:02
Access level:	the public	Released:	1993-02-18 00:00:00
Creative Commons license:	CC0

Reference information

Primary reference:

1618.

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]

Secondary references:

6294		J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1123		T. M. Bown and K. D. Rose. 1987. Patterns of Dental Evolution in Early Eocene Anaptomorphine Primates (Omomyidae) from the Bighorn Basin, Wyoming. Paleontological Society Memoir 23:1-162 [J. Alroy/J. Alroy/J. Ju]
3401		J. G. M. Thewissen. 1990. Evolution of Paleocene and Eocene Phenacodontidae (Mammalia, Condylarthra). University of Michigan Papers on Paleontology 29:1-107 [J. Alroy/J. Alroy/P. Mannion]