PBDB Collection

Kent Quarry (Eocene of the United States)

Also known as UCMP V-5348

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 15660: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
Theriamorpha - Herpetotheriidae	Peratherium sp.⁶ Peratherium sp.⁶ Aymard 1850 marsupial sole specimen of "Peradectes protinnominatus"
Macroscelidea - Apheliscidae	Apheliscus sp.⁸ Apheliscus sp.⁸ Cope 1875 elephant shrew : "A. nitidus" of McKenna
Macroscelidea - Amphilemuridae	cf. Macrocranion nitens¹ cf. Macrocranion nitens¹ Matthew 1918 elephant shrew
Condylarthra - Hyopsodontidae	Hyopsodus loomisi, Hyopsodus simplex⁷ Hyopsodus loomisi McKenna 1960 condylarth Hyopsodus simplex⁷ Loomis 1905 condylarth
Theriamorpha -	Miacis exiguus Miacis exiguus Matthew and Granger 1915 placental probably OK, see Gingerich 1983a
Procreodi - Arctocyonidae	Chriacus gallinae Chriacus gallinae Matthew and Granger 1915 condylarth
Theriamorpha - Geolabididae	"Didelphodus altidens" = Centetodon altidens¹ "Didelphodus altidens" = Centetodon altidens¹ Marsh 1872 placental
Theriamorpha - Nyctitheriidae	? Nyctitherium sp. ? Nyctitherium sp. Marsh 1872 placental definitely not Marsholestes
Rodentia - Ischyromyidae	Paramys sp., Mattimys sp.⁵ Paramys sp. Leidy 1871 rodent forms "A" and "B" Mattimys sp.⁵ Korth 1984 rodent
Primates - Paromomyidae	cf. Simpsonlemur jepseni¹ cf. Simpsonlemur jepseni¹ Simpson 1955 primate
Primates - Notharctidae	Cantius mckennai² Cantius mckennai² Gingerich and Simons 1977 primate
Primates - Microsyopidae	Microsyops angustidens³, Niptomomys doreenae n. sp. Microsyops angustidens³ Matthew 1915 primate Niptomomys doreenae n. sp. McKenna 1960 primate
Cimolesta - Esthonychidae	Esthonyx spatularius⁴ Esthonyx spatularius⁴ Cope 1880 tillodont
Cimolesta - Apatemyidae	Labidolemur kayi⁴ Labidolemur kayi⁴ Simpson 1929 eutherian
Theriamorpha - Leptictidae	cf. Prodiacodon tauricinerei¹ cf. Prodiacodon tauricinerei¹ Jepsen 1930 eutherian
Multituberculata - Neoplagiaulacidae	Ectypodus cf. childei⁹ Ectypodus cf. childei⁹ Kühne 1969 multituberculate Krause 1982

¹Alroy 2002; ²Gingerich and Simons 1977; ³Gunnell 1985; ⁴Gunnell 1989; ⁵Korth 1984; ⁶Krishtalka and Stucky 1983; ⁷Redline 1997; ⁸Rose 1981; ⁹Sloan 1981