Timberlake Quarry (Eocene of the United States)

Also known as UCMP V-5424

Where: Moffat County, Colorado (40.6° N, 108.1° W: paleocoordinates 45.4° N, 91.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Wasatch Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Primary reference: 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]more details

PaleoDB collection 15845: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Primates - Microsyopidae
Niptomomys doreenae2 McKenna 1960 primate
Microsyops angustidens8 Matthew 1915 primate
 Primates - Omomyidae
Tetonius matthewi3 Bown and Rose 1987 tarsier
 Primates - Notharctidae
Cantius mckennai7 Gingerich and Simons 1977 primate
 Primates - Paromomyidae
cf. Simpsonlemur jepseni1 Simpson 1955 primate
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Leptictida - Leptictidae
cf. Prodiacodon tauricinerei1 Jepsen 1930 eutherian
 Rodentia - Ischyromyidae
Paramys sp. Leidy 1871 rodent
"A"
 Lipotyphla - Geolabididae
Centetodon sp.1 Marsh 1872 placental
 Perissodactyla -
Cardiolophus radinskyi5 Gingerich 1991 odd-toed ungulate
 Perissodactyla - Equidae
"Arenahippus grangeri" = Sifrhippus grangeri4
"Arenahippus grangeri" = Sifrhippus grangeri4 Gingerich 1989 horse
 Tribosphenida - Nyctitheriidae
? Nyctitherium sp. Marsh 1872 placental
definitely not Marsholestes
 Ferae -
Creodonta indet.6 Cope 1875 creodont
 Ferae - Viverravidae
Viverravus acutus Matthew and Granger 1915 placental
 Carnivora - Miacidae
Miacis exiguus Matthew and Granger 1915 carnivoran
probably OK, see Gingerich 1983a
 Macroscelidea - Apheliscidae
Haplomylus speirianus Cope 1880 elephant shrew
Apheliscus sp.13 Cope 1875 elephant shrew
: "A. nitidus" of McKenna
 Macroscelidea - Amphilemuridae
cf. Macrocranion nitens1 Matthew 1918 elephant shrew
 Trogontia - Esthonychidae
Esthonyx spatularius9 Cope 1880 tillodont
 Tribosphenida - Arctocyonidae
Thryptacodon antiquus Matthew and Granger 1915 condylarth
Chriacus gallinae Matthew and Granger 1915 condylarth
 Ungulata - Hyopsodontidae
Hyopsodus simplex12 Loomis 1905 condylarth
Hyopsodus loomisi McKenna 1960 condylarth
 Ungulata - Diacodexeidae
Bunophorus sp.1 Sinclair 1914 even-toed ungulate
Diacodexis primus11 Krishtalka and Stucky 1985 even-toed ungulate
 Ungulata - Phenacodontidae
Ectocion osbornianus9 Cope 1882 condylarth
Phenacodus sp.1 Cope 1873 condylarth
Phenacodus intermedius Granger 1915 condylarth
 Insectivora - Apatemyidae
Labidolemur serus9 Gingerich 1982 insectivoran
also mentioned by Gingerich 1982
Labidolemur kayi9 Simpson 1929 insectivoran
 Hyaenodonta -
Didelphodus absarokae Cope 1881 eutherian
 Theriiformes - Peradectidae
Peradectes protinnominatus McKenna 1960 metatherian
 Multituberculata - Neoplagiaulacidae
Parectypodus lunatus10 Krause 1982 multituberculate
Ectypodus tardus10 Jepsen 1940 multituberculate
 Multituberculata -
Neoliotomus ultimus Granger and Simpson 1928 multituberculate
includes "cf. Prochetodon sp.": Krause 1982