Sand Quarry: Wasatchian, Colorado

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Primates - Microsyopidae
Cynodontomys alfi McKenna 1960
    = Microsyops angustidens Matthew 1915
Gunnell 1985
Mammalia - Primates - Omomyidae
Tetonius homunculus (Cope 1882)
    = Tetonius matthewi Bown and Rose 1987
Bown and Rose 1987
Mammalia - Primates - Paromomyidae
Phenacolemur jepseni Simpson 1955
    = cf. Simpsonlemur jepseni Simpson 1955
Alroy 2002
Mammalia - Primates - Notharctidae
Pelycodus mckennai Gingerich and Simons 1977
    = Cantius mckennai Gingerich and Simons 1977
Gingerich and Simons 1977
"P. ralstoni"
Mammalia - Leptictidae
Palaeictops tauricinerei (Jepsen 1930)
    = cf. Prodiacodon tauricinerei Jepsen 1930
Alroy 2002
Mammalia - Rodentia - Ischyromyidae
Paramys taurus Korth 1984
Korth 1984
species "A" of McKenna
Mammalia - Perissodactyla
Homogalax primaevus (Wortman 1896)
    = Cardiolophus radinskyi Gingerich 1991
Gingerich 1991
Mammalia - Perissodactyla - Equidae
Hyracotherium angustidens (Cope 1875)
    = Hyracotherium sp. Owen 1841
Alroy 2002
    = Arenahippus grangeri Gingerich 1989
Froehlich 2002
recombined as Sifrhippus grangeri
Mammalia - Creodonta
Prototomus viverrinus Cope 1874
    = Creodonta indet. Cope 1875
Gingerich and Deutsch 1989
could be Prolimnocyon atavus; not discussed by Polly 1993
Mammalia - Viverravidae
Didymictis protenus (Cope 1874)
    = Didymictis leptomylus Cope 1880
Polly 1997
Viverravus acutus Matthew and Granger 1915
Mammalia - Carnivora - Miacidae
Miacis exiguus Matthew and Granger 1915
probably OK, see Gingerich 1983a
Mammalia - Macroscelidea - Apheliscidae
Haplomylus speirianus (Cope 1880)
Apheliscus sp. Cope 1875
Rose 1981
: "A. nitidus"
Mammalia - Macroscelidea - Amphilemuridae
Entomolestes nitens Matthew 1918
    = cf. Macrocranion nitens Matthew 1918
Alroy 2002
Mammalia - Trogontia - Esthonychidae
Esthonyx spatularius Cope 1880
Gunnell 1989
Mammalia - Arctocyonidae
Thryptacodon antiquus Matthew and Granger 1915
Chriacus gallinae Matthew and Granger 1915
Mammalia - Ungulata - Hyopsodontidae
Hyopsodus miticulus (Cope 1874)
    = Hyopsodus simplex Loomis 1905
Redline 1997
replaces ID of Gunnell 1989
Hyopsodus loomisi McKenna 1960
Mammalia - Ungulata - Diacodexeidae
Bunophorus robustus (Sinclair 1914)
Stucky and Krishtalka 1990
apparently described by McKenna as "Wasatchia sp.," but not on his list
Diacodexis metsiacus (Cope 1882)
    = Diacodexis primus Krishtalka and Stucky 1985
Krishtalka and Stucky 1985
Mammalia - Insectivora - Apatemyidae
Apatemys cf. kayi (Simpson 1929)
    = Labidolemur kayi Simpson 1929
Gunnell 1989
Mammalia - Hyaenodonta - Hyaenodontidae
Prototomus secundarius Cope 1875
Polly 1993
robustus [Polly 1993: "Sinopa sp."
Mammalia - Hyaenodonta
Didelphodus absarokae (Cope 1881)
Peradectes protinnominatus McKenna 1960
Peradectes elegans Matthew and Granger 1921
Krishtalka and Stucky 1983
Herpetotherium innominatum (Simpson 1928)
    = Copedelphys innominata Simpson 1928
Krishtalka and Stucky 1983
recombined as Herpetotherium innominatum
includes Peratherium macgrewi as a subspecies
Mammalia - Multituberculata - Neoplagiaulacidae
Ectypodus cf. hazeni Jepsen 1940
    = ? Neoplagiaulacidae indet. Ameghino 1890
Krause 1982
Parectypodus childei (K├╝hne 1969)
    = Parectypodus lunatus Krause 1982
Krause 1982
replaces ID of Sloan 1981
Ectypodus tardus (Jepsen 1940)
Krause 1982
Mammalia - Multituberculata
Neoliotomus ultimus (Granger and Simpson 1928)
includes "cf. Prochetodon sp.": Krause 1982
see common names

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
Period:Paleogene Epoch:Eocene
Stage:Ypresian 10 m.y. bin:Cenozoic 2
Key time interval:Wasatchian
Age range of interval:55.80000 - 50.30000 m.y. ago
* legacy (obsolete) database fields
Lithology and environment
Environment:terrestrial indet.
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection size:594 specimens
Museum repositories:UCMP
Also known as:UCMP V-5421
Database number:15725
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. Uhen]
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]
2105 W. W. Korth. 1984. Earliest Tertiary evolution and radiation of rodents in North America. Bulletin of Carnegie Museum of Natural History 24:1-71 [J. Alroy/J. Alroy/J. Marcot]
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]
2179 L. Krishtalka and R. K. Stucky. 1983. Paleocene and Eocene marsupials of North America. Annals of Carnegie Museum 52(10):229-264 [J. Alroy/J. Alroy/M. Uhen]
2180 L. Krishtalka and R. K. Stucky. 1983. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 3. Marsupialia. Annals of Carnegie Museum 52(9):205-227 [J. Alroy/J. Alroy/J. Alroy]
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]
3335 R. K. Stucky and L. Krishtalka. 1990. Revision of the Wind River Faunas, Early Eocene of Central Wyoming. Part 10. Bunophorus (Mammalia, Artiodactyla). Annals of Carnegie Museum 59(2):149-171 [J. Alroy/J. Alroy/J. Marcot]