Cooper Lake (UW V-76019): Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Macroscelidea - Apheliscidae
Haplomylus speirianus (Cope 1880)
1-3 (1.7)
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus cf. miticulus (Cope 1874)
    = Hyopsodus sp. Leidy 1870
Alroy 2002
6-17 (3.7)
Mammalia - Phenacodontidae
Phenacodus vortmani (Cope 1880)
1-3 (2)
Phenacodus primaevus (Cope 1873)
(1 measurement)
    = Phenacodus trilobatus Cope 1881
Thewissen 1990
Thewissen mistakenly lists the locality number as a specimen number (!); P. intermedius also may be present; 2 specimens
Phenacodus brachypternus Cope 1882
    = Copecion brachypternus Cope 1882
Alroy 2002
3
Mammalia - Perissodactyla
Homogalax protapirinus (Wortman 1896)
1-8 (2.8)
Mammalia - Perissodactyla - Palaeotheriidae
Hyracotherium angustidens (Cope 1875)
    = Hyracotherium sp. Owen 1841
Alroy 2002
10-40 (6.6) specimens
Mammalia - Diacodexeidae
Diacodexis secans (Cope 1881)
    = Diacodexis sp. Cope 1882
Alroy 2002
either D. primus or D. metsiacus; 1-3 (1.7) specimens
Mammalia - Creodonta - Oxyaenidae
Oxyaena sp. Cope 1874
    = Dipsalidictis transiens Matthew and Granger 1915
Gunnell and Gingerich 1991
3 specimens
Mammalia - Creodonta
cf. Prolimnocyon atavus Matthew and Granger 1915
1
Mammalia - Creodonta - Hyaenodontidae
Prototomus sp. Cope 1874
    = Prototomus cf. martis Gingerich and Deutsch 1989
Gunnell 1998
2 specimens
Mammalia - Viverravidae
Didymictis protenus (Cope 1874)
    = Didymictis sp. Cope 1875
Alroy 2002
1-3 (2); this may be either D. leptomylus, D. protenus, or both: Polly 1997
Mammalia
Miacis exiguus Matthew and Granger 1915
1
cf. Talpavoides dartoni Bown and Schankler 1982
1
Mammalia - Pantolestidae
Palaeosinopa cf. incerta Bown and Schankler 1982
1
Mammalia - Primates - Notharctidae
Cantius cf. trigonodus (Matthew 1915)
    = Cantius cf. frugivorus Cope 1875
Alroy 2002
1 specimen
Cantius cf. mckennai (Gingerich and Simons 1977)
1
Mammalia - Primates - Omomyidae
Tetonius sp. Matthew 1915
1-3 (1.5)
Mammalia - Coryphodontidae
Coryphodon eocaenus Owen 1846
4-5: presumably includes "C. oweni" 1
see common names

Geography
Country:United States State/province:Wyoming County:Johnson
Coordinates: 44.0° North, 106.6° West (view map)
Paleocoordinates:48.5° North, 89.4° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Ypresian 10 m.y. bin:Cenozoic 2
*Period:Tertiary
Key time interval:Wasatchian
Age range of interval:54.90000 - 50.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wind River
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection size:49 specimens
Museum repositories:UW
Taxonomic list comments:apparently the same locality described by Princhinello 1971; all species recorded by her are listed here
NISP: minimum 43, maximum 102, best guess 49.2
Metadata
Database number:15468
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2002-06-03 03:27:40
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1333. J. R. Davidson. 1987. Geology and mammalian paleontology of the Wind River Formation, Laramie Basin, southeastern Wyoming. Contributions to Geology, University of Wyoming 25(2):103-132 [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]
1735 G. F. Gunnell. 1998. Creotonda. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America, Volume 1: Terrestrial Carnivores, Ungulates, and Ungulate like Mammals [J. Alroy/J. Alroy/M. Uhen]
1745 G. F. Gunnell and P. D. Gingerich. 1991. Systematics and Evolution of Late Paleocene and Early Eocene Oxyaenidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 28(7):141-180 [J. Alroy/J. Alroy/J. Marcot]
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]