PBDB Collection

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

Show authors, comments, and common names

Mammalia
Multituberculata - Eucosmodontidae	"Neoliotomus ultimus" = Eucosmodon ultimus "Neoliotomus ultimus" = Eucosmodon ultimus Granger and Simpson 1928 multituberculate includes "cf. Prochetodon sp.": Krause 1982
Multituberculata - Neoplagiaulacidae	Parectypodus lunatus⁸, Ectypodus tardus⁸ Parectypodus lunatus⁸ Krause 1982 multituberculate Ectypodus tardus⁸ Jepsen 1940 multituberculate
Theriamorpha - Leptictidae	cf. Prodiacodon tauricinerei¹, Didelphodus absarokae cf. Prodiacodon tauricinerei¹ Jepsen 1930 eutherian Didelphodus absarokae Cope 1881 eutherian
Cimolesta - Apatemyidae	Labidolemur serus⁷, Labidolemur kayi⁷ Labidolemur serus⁷ Gingerich 1982 eutherian also mentioned by Gingerich 1982 Labidolemur kayi⁷ Simpson 1929 eutherian
Cimolesta - Coryphodontidae	Coryphodon sp. Coryphodon sp. Owen 1845 pantodont
Cimolesta - Esthonychidae	Esthonyx spatularius⁷ Esthonyx spatularius⁷ Cope 1880 tillodont
Macroscelidea - Amphilemuridae	cf. Macrocranion nitens¹ cf. Macrocranion nitens¹ Matthew 1918 elephant shrew
Macroscelidea - Apheliscidae	Apheliscus sp.¹¹, Haplomylus speirianus Apheliscus sp.¹¹ Cope 1875 elephant shrew : "A. nitidus" of McKenna Haplomylus speirianus Cope 1880 elephant shrew
Condylarthra - Hyopsodontidae	Hyopsodus simplex¹⁰, Hyopsodus loomisi Hyopsodus simplex¹⁰ Loomis 1905 condylarth Hyopsodus loomisi McKenna 1960 condylarth
Placentalia -	Creodonta indet.⁶ Creodonta indet.⁶ Cope 1875 creodont
Theriamorpha -	Miacis exiguus Miacis exiguus Matthew and Granger 1915 placental probably OK, see Gingerich 1983a
Theriamorpha - Viverravidae	Viverravus acutus Viverravus acutus Matthew and Granger 1915 placental
Perissodactyla - Equidae	"Arenahippus grangeri" = Sifrhippus grangeri⁴ "Arenahippus grangeri" = Sifrhippus grangeri⁴ Gingerich 1989 horse
Perissodactyla -	Cardiolophus radinskyi⁵ Cardiolophus radinskyi⁵ Gingerich 1991 odd-toed ungulate
Theriamorpha - Phenacodontidae	Ectocion osbornianus⁷, Phenacodus sp.¹, Phenacodus intermedius Ectocion osbornianus⁷ Cope 1882 condylarth Phenacodus sp.¹ Cope 1873 condylarth Phenacodus intermedius Granger 1915 condylarth
Artiodactyla - Diacodexeidae	Bunophorus sp.¹, Diacodexis primus⁹ Bunophorus sp.¹ Sinclair 1914 even-toed ungulate Diacodexis primus⁹ Krishtalka and Stucky 1985 even-toed ungulate
Procreodi - Arctocyonidae	Thryptacodon antiquus, Chriacus gallinae Thryptacodon antiquus Matthew and Granger 1915 condylarth Chriacus gallinae Matthew and Granger 1915 condylarth
Theriamorpha - Geolabididae	Centetodon sp.¹ Centetodon sp.¹ Marsh 1872 placental
Theriamorpha - Nyctitheriidae	? Nyctitherium sp. ? Nyctitherium sp. Marsh 1872 placental definitely not Marsholestes
Rodentia - Ischyromyidae	Paramys sp. Paramys sp. Leidy 1871 rodent "A"
Primates - Notharctidae	"Pelycodus mckennai" = Cantius mckennai "Pelycodus mckennai" = Cantius mckennai Gingerich and Simons 1977 primate ref 1675: "P. ralstoni"
Primates - Omomyidae	Tetonius matthewi³ Tetonius matthewi³ Bown and Rose 1987 tarsier
Primates - Microsyopidae	"Cynodontomys alfi n. sp." = Microsyops angustidens, Niptomomys doreenae² "Cynodontomys alfi n. sp." = Microsyops angustidens Matthew 1915 primate Niptomomys doreenae² McKenna 1960 primate
Primates - Paromomyidae	cf. Simpsonlemur jepseni¹ cf. Simpsonlemur jepseni¹ Simpson 1955 primate
Theriamorpha - Peradectidae	Peradectes protinnominatus Peradectes protinnominatus McKenna 1960 marsupial

¹Alroy 2002; ²Bown and Gingerich 1972; ³Bown and Rose 1987; ⁴Froehlich 2002; ⁵Gingerich 1991; ⁶Gingerich and Deutsch 1989; ⁷Gunnell 1989; ⁸Krause 1982; ⁹Krishtalka and Stucky 1985; ¹⁰Redline 1997; ¹¹Rose 1981