Despair Quarry: Wasatchian, Colorado

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Multituberculata - Neoplagiaulacidae
Sloan 1981
Mammalia - Rodentia - Ischyromyidae
Paramys sp. Leidy 1871
"A"
Mammalia - Primates - Microsyopidae
Gunnell 1985
Mammalia - Primates - Paromomyidae
Phenacolemur jepseni Simpson 1955
    = cf. Simpsonlemur jepseni Simpson 1955
Alroy 2002
Mammalia - Primates - Omomyidae
Alroy 2002
Bown 1974
seconded by Bown and Rose 1987; type of "Mckennamorphus despairensis" of Szalay 1976
Mammalia - Primates - Notharctidae
Gingerich and Simons 1977
"P. ralstoni"
Mammalia - Nyctitheriidae
definitely not Marsholestes
Mammalia - Phenacodontidae
Alroy 2002
Thewissen 1990
Mammalia - Perissodactyla - Palaeotheriidae
    = Hyracotherium sp. Owen 1841
Alroy 2002
Mammalia - Perissodactyla - Equidae
Froehlich 2002
Mammalia - Diacodexeidae
Krishtalka and Stucky 1985
Alroy 2002
Mammalia - Acreodi - Mesonychidae
Mammalia - Creodonta - Hyaenodontidae
Polly 1993
Polly 1993
(explicit referral)
Mammalia - Creodonta
Polly 1993
Mammalia - Creodonta - Oxyaenidae
Oxyaena sp. Cope 1874
Gunnell and Gingerich 1991
Mammalia
probably OK, see Gingerich 1983a
Mammalia - Viverravidae
    = Didymictis leptomylus Cope 1880
Polly 1997
Mammalia - Condylarthra - Hyopsodontidae
Redline 1997
replaces ID of Gunnell 1989
Mammalia - Macroscelidea - Apheliscidae
Apheliscus sp. Cope 1875
Rose 1981
: "A. nitidus" of McKenna
Mammalia - Macroscelidea - Amphilemuridae
Alroy 2002
Mammalia - Coryphodontidae
Mammalia - Esthonychidae
Gunnell 1989
Mammalia - Apatemyidae
Gunnell 1989
Mammalia - Leptictidae
Alroy 2002
Mammalia
see common names

Geography
Country:United States State/province:Colorado County:Moffat
Coordinates: 40.6° North, 108.1° West (view map)
Paleocoordinates:48.5° North, 81.7° West (Wright 2013)
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: 54.9 - 50.5 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wasatch
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection size:658 specimens
Museum repositories:UCMP
Metadata
Also known as:UCMP V-5352
Database number:15480
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:J. Alroy Research group:vertebrate
Created:1993-09-27 00:00:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:1993-09-27 00:00:00
Creative Commons license:CC0
Reference information

Primary reference:
2528. M. C. McKenna. 1960. Fossil Mammalia from the early Wasatchian Four Mile fauna, Eocene of northwest Colorado. University of California Publications in Geological Sciences 37(1):1-130 [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]
1109 T. M. Bown. 1974. Notes on some Early Eocene anaptomorphine primates. Contributions to Geology, University of Wyoming 13(1):9-26 [J. Alroy/J. Alroy/M. Uhen]
53105 D. J. Froehlich. 2002. Quo vadis Eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla). Zoological Journal of the Linnean Society 134:141-256 [M. Carrano/M. Carrano/M. Carrano]
1675 P. D. Gingerich and E. L. Simons. 1977. Systematics, phylogeny, and evolution of early Eocene Adapidae (Mammalia, Primates) in North America. Contributions from the Museum of Paleontology, University of Michigan 24(22):245-279 [J. Alroy/J. Alroy/M. Uhen]
1728 G. F. Gunnell. 1985. Systematics of Early Eocene Microsyopinae (Mammalia, Primates) in the Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(2):51-71 [J. Alroy/J. Alroy/M. Uhen]
1730 G. F. Gunnell. 1989. Evolutionary History of Microsyopoidea (Mammalia, ?Primates) and the Relationship Between Plesiadapiformes and Primates. University of Michigan Papers on Paleontology 27:1-157 [J. Alroy/J. Alroy/P. Mannion]
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]
2183 L. Krishtalka and R. K. Stucky. 1985. Revision of the Eocene Wind River Faunas, Early Eocene of Central Wyoming. Part 7. Revision of Diacodexis (Mammalian, Artiodactyla). Annals of Carnegie Museum 54(14):413-486 [J. Alroy/J. Alroy/J. Marcot]
2785 P. D. Polly. 1993. Hyaenodontidae (Creodonta, Mammalia) from the Early Eocene Four Mile Fauna and their biostratigraphic implications. PaleoBios 14(4):1-10 [J. Alroy/J. Alroy/J. Ju]
2787 P. D. Polly. 1997. Ancestry and Species Definition in Paleontology: A Stratocladistic Analysis of Paleocene-Eocene Viverravidae (Mammalia, Carnivora) from Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(1):1-53 [J. Alroy/J. Alroy/M. Uhen]
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]
2953 K. D. Rose. 1981. The Clarkforkian Land-Mammal Age and Mammalian Faunal Composition Across the Paleocene-Eocene Boundary. University of Michigan Papers on Paleontology 26:1-197 [J. Alroy/J. Alroy/P. Mannion]
3195 R. E. Sloan. 1981. Systematics of Paleocene multituberculates from the San Juan Basin, NewMexico. In S. G. Lucas, J. K. Rigby Jr., B. S. Kues (eds.), Advances in San Juan Basin Paleontology 127-160 [J. Alroy/J. Alroy/M. Uhen]
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]