Sand Quarry (Eocene of the United States)

Also known as UCMP V-5421

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 15725: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

 Primates - Microsyopidae
Microsyops angustidens7 Matthew 1915 primate
 Primates - Omomyidae
Tetonius matthewi2 Bown and Rose 1987 tarsier
 Primates - Notharctidae
Cantius mckennai6 Gingerich and Simons 1977 primate
 Primates - Paromomyidae
cf. Simpsonlemur jepseni1 Simpson 1955 primate
 Leptictida - Leptictidae
cf. Prodiacodon tauricinerei1 Jepsen 1930 eutherian
 Rodentia - Ischyromyidae
Paramys taurus9 Korth 1984 rodent
species "A" of McKenna
 Perissodactyla -
Cardiolophus radinskyi4 Gingerich 1991 odd-toed ungulate
 Perissodactyla - Equidae
"Arenahippus grangeri" = Sifrhippus grangeri3
"Arenahippus grangeri" = Sifrhippus grangeri3 Gingerich 1989 horse
 Ferae -
Creodonta indet.5 Cope 1875 creodont
 Ferae - Viverravidae
Didymictis leptomylus15 Cope 1880 placental
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.17 Cope 1875 elephant shrew
: "A. nitidus"
 Macroscelidea - Amphilemuridae
cf. Macrocranion nitens1 Matthew 1918 elephant shrew
 Trogontia - Esthonychidae
Esthonyx spatularius8 Cope 1880 tillodont
 Tribosphenida - Arctocyonidae
Thryptacodon antiquus Matthew and Granger 1915 condylarth
Chriacus gallinae Matthew and Granger 1915 condylarth
 Ungulata - Hyopsodontidae
Hyopsodus simplex16 Loomis 1905 condylarth
Hyopsodus loomisi McKenna 1960 condylarth
 Ungulata - Diacodexeidae
Bunophorus robustus18 Sinclair 1914 even-toed ungulate
apparently described by McKenna as "Wasatchia sp.," but not on his list
Diacodexis primus13 Krishtalka and Stucky 1985 even-toed ungulate
 Insectivora - Apatemyidae
Labidolemur kayi8 Simpson 1929 insectivoran
 Hyaenodonta - Hyaenodontidae
Prototomus secundarius14 Cope 1875 eutherian
robustus [Polly 1993: "Sinopa sp."
 Hyaenodonta -
Didelphodus absarokae Cope 1881 eutherian
 Theriiformes - Peradectidae
Peradectes protinnominatus McKenna 1960 metatherian
Peradectes elegans12 Matthew and Granger 1921 metatherian
 Theriiformes - Herpetotheriidae
"Copedelphys innominata" = Herpetotherium innominatum11
"Copedelphys innominata" = Herpetotherium innominatum11 Simpson 1928 marsupial
 Multituberculata - Neoplagiaulacidae
? Neoplagiaulacidae indet.10 Ameghino 1890 multituberculate
Parectypodus lunatus10 Krause 1982 multituberculate
Ectypodus tardus10 Jepsen 1940 multituberculate
 Multituberculata -
Neoliotomus ultimus Granger and Simpson 1928 multituberculate
includes "cf. Prochetodon sp.": Krause 1982