PBDB Collection

CM Locality 1548: Bridgerian, Wyoming

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Leptictidae

	Didelphodus sp. Cope 1882

	Palaeictops cf. bridgeri (Simpson 1959)
Mammalia - Primates - Notharctidae

	cf. Copelemur sp. Gingerich and Simons 1977
Mammalia - Primates - Omomyidae

	Washakius sp. Leidy 1873
	said to be new
Mammalia - Primates - Paromomyidae

	Phenacolemur sp. Matthew 1915
	= Phenacolemurinae indet. Simpson 1955	Alroy 2002
Mammalia - Primates - Microsyopidae

	Microsyops sp. Leidy 1872
Mammalia - Rodentia - Ischyromyidae

	Paramys sp. Leidy 1871
Mammalia - Rodentia - Armintomyidae

	Armintomys tullbergi Dawson et al. 1990
Mammalia - Perissodactyla - Brontotheriidae

	Palaeosyops borealis Cope 1880
	= Eotitanops borealis Cope 1880	Alroy 2002
Mammalia - Perissodactyla - Equidae

	Hyracotherium sp. Owen 1841
	= Equidae indet. Gray 1821	Alroy 2002
Mammalia - Diacodexeidae

	Diacodexis sp. Cope 1882
Mammalia - Carnivora - Miacidae

	Miacis sp. Cope 1872
	= Miacidae indet. Cope 1880	Alroy 2002
Mammalia - Viverravidae

	Viverravus sp. Marsh 1872
Mammalia - Condylarthra - Hyopsodontidae

	Hyopsodus sp. Leidy 1870
	= Hyopsodus paulus Leidy 1870	Redline 1997
	in part

	Hyopsodus sp. Leidy 1870
	= Hyopsodus minusculus Leidy 1873	Redline 1997
	in part
unclassified

	Scenopagus sp. McKenna and Simpson 1959
see common names

Geography

Country:	United States	State/province:	Wyoming	County:	Natrona
Coordinates:	43.2° North, 107.1° West (view map)
Paleocoordinates:	50.2° North, 82.9° West (Wright 2013)
Basis of coordinate:	based on political unit
Geographic resolution:	small collection

Time

Period:	Paleogene	Epoch:	Eocene
10 m.y. bin:	Cenozoic 2
*Period:	Tertiary
Key time interval:	Bridgerian
Age range of interval:	50.5 - 46.2 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:	Wind River	Member:	Lost Cabin
Stratigraphy comments: "upper gray sequence"

Lithology and environment

Environment:

terrestrial indet.

Taphonomy

Modes of preservation:

body

Collection methods and comments

Taxonomic list comments:Gardnerbuttean

Metadata

Database number:	16204
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:

1348.

M. R. Dawson, L. Krishtalka, and R. K. Stucky. 1990. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 9. The oldest known hystricomorphous rodent (Mammalia, Rodentia). Annals of Carnegie Museum 59(2):135-148 [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

6294		J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
6223		A. D. Redline. 1997. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 13. Systematics and phylogenetic pattern of early Eocene Hyopsodus (Mammalia: Condylarthra). Annals of Carnegie Museum 66(1):1-81 [J. Alroy/J. Alroy/J. Alroy]