Timberlake Quarry: Wasatchian, Colorado

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Multituberculata - Eucosmodontidae
Neoliotomus ultimus (Granger and Simpson 1928)
original and current combination Eucosmodon ultimus
includes "cf. Prochetodon sp.": Krause 1982
Mammalia - Multituberculata - Neoplagiaulacidae
Parectypodus childei (Kühne 1969)
    = Parectypodus lunatus Krause 1982
Krause 1982
replaces ID of Sloan 1981
Ectypodus tardus (Jepsen 1940)
Krause 1982
Mammalia - Leptictidae
Palaeictops tauricinerei (Jepsen 1930)
    = cf. Prodiacodon tauricinerei Jepsen 1930
Alroy 2002
Didelphodus absarokae (Cope 1881)
Mammalia - Apatemyidae
Labidolemur serus Gingerich 1982
Gunnell 1989
also mentioned by Gingerich 1982
Apatemys cf. kayi (Simpson 1929)
    = Labidolemur kayi Simpson 1929
Gunnell 1989
Mammalia - Coryphodontidae
Coryphodon sp. (Owen 1845)
original and current combination Lophiodon (Coryphodon)
Mammalia - Esthonychidae
Esthonyx spatularius Cope 1880
Gunnell 1989
Mammalia - Macroscelidea - Amphilemuridae
Entomolestes nitens Matthew 1918
    = cf. Macrocranion nitens Matthew 1918
Alroy 2002
Mammalia - Macroscelidea - Apheliscidae
Apheliscus sp. Cope 1875
Rose 1981
: "A. nitidus" of McKenna
Haplomylus speirianus (Cope 1880)
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus miticulus (Cope 1874)
    = Hyopsodus simplex Loomis 1905
Redline 1997
replaces ID of Gunnell 1989
Hyopsodus loomisi McKenna 1960
Mammalia - Creodonta
Prototomus viverrinus Cope 1874
    = Creodonta indet. Cope 1875
Gingerich and Deutsch 1989
could be Prolimnocyon atavus; Polly 1993 claims there are no hyaenodontids at all
Mammalia
Miacis exiguus Matthew and Granger 1915
probably OK, see Gingerich 1983a
Mammalia - Viverravidae
Viverravus acutus Matthew and Granger 1915
Mammalia - Perissodactyla - Equidae
Hyracotherium angustidens (Cope 1875)
    = Hyracotherium sp. Owen 1841
Alroy 2002
    = Arenahippus grangeri Gingerich 1989
Froehlich 2002
recombined as Sifrhippus grangeri
Mammalia - Perissodactyla
Homogalax primaevus (Wortman 1896)
    = Cardiolophus radinskyi Gingerich 1991
Gingerich 1991
Mammalia - Phenacodontidae
Ectocion osbornianus (Cope 1882)
Gunnell 1989
Phenacodus primaevus (Cope 1873)
    = Phenacodus sp. Cope 1873
Alroy 2002
Phenacodus intermedius Granger 1915
Mammalia - Diacodexeidae
Wasatchia sp. Sinclair 1914
    = Bunophorus sp. Sinclair 1914
Alroy 2002
Diacodexis metsiacus (Cope 1882)
    = Diacodexis primus Krishtalka and Stucky 1985
Krishtalka and Stucky 1985
Mammalia - Procreodi - Arctocyonidae
Thryptacodon antiquus Matthew and Granger 1915
Chriacus gallinae Matthew and Granger 1915
Mammalia - Geolabididae
Metacodon sp. Clark 1936
    = Centetodon sp. Marsh 1872
Alroy 2002
Mammalia - Nyctitheriidae
? Nyctitherium sp. Marsh 1872
definitely not Marsholestes
Mammalia - Rodentia - Ischyromyidae
Paramys sp. Leidy 1871
"A"
Mammalia - Primates - Notharctidae
Pelycodus mckennai Gingerich and Simons 1977
recombined as Cantius mckennai
ref 1675: "P. ralstoni"
Mammalia - Primates - Omomyidae
Tetonius homunculus (Cope 1882)
    = Tetonius matthewi Bown and Rose 1987
Bown and Rose 1987
Mammalia - Primates - Microsyopidae
Cynodontomys alfi n. sp. McKenna 1960
synonym of Microsyops angustidens
Niptomomys sp. McKenna 1960
    = Niptomomys doreenae McKenna 1960
Bown and Gingerich 1972
Mammalia - Primates - Paromomyidae
Phenacolemur jepseni Simpson 1955
    = cf. Simpsonlemur jepseni Simpson 1955
Alroy 2002
Mammalia
Peradectes protinnominatus McKenna 1960
see common names

Geography
Country:United States State/province:Colorado County:Moffat
Coordinates: 40.6° North, 108.1° West (view map)
Paleocoordinates:45.4° North, 91.9° 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:Wasatch
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection size:1314 specimens
Museum repositories:UCMP
Metadata
Also known as:UCMP V-5424
Database number:15845
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:2009-07-15 19:53:42
Access level:the public Released:1993-09-27 00:00:00
Creative Commons license:CC BY
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]
1116 T. M. Bown and P. D. Gingerich. 1972. Dentition of the Early Eocene primates, Niptomomys and Absarokius. Postilla 158:1-10 [J. Alroy/J. Alroy/J. Ju]
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]
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]
1660 P. D. Gingerich. 1991. Systematics and Evolution of Early Eocene Perissodactyla (Mammalia) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 28(8):181-213 [J. Alroy/J. Alroy/P. Mannion]
1666 P. D. Gingerich and H. A. Deutsch. 1989. Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391 [J. Alroy/J. Alroy/J. Marcot]
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]
2158 D. W. Krause. 1982. Multituberculates from the Wasatchian Land-Mammal Age, Early Eocene, of Western North America. Journal of Paleontology 56(2):271-294 [J. Alroy/J. Alroy/J. Ju]
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]
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]