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 Patricia Holroyd and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Multituberculata - Neoplagiaulacidae
? Neoplagiaulacidae indet.11 Ameghino 1890 multituberculate
Parectypodus lunatus11 Krause 1982 multituberculate
Ectypodus tardus11 Jepsen 1940 multituberculate
 Multituberculata - Eucosmodontidae
"Neoliotomus ultimus" = Eucosmodon ultimus
"Neoliotomus ultimus" = Eucosmodon ultimus Granger and Simpson 1928 multituberculate
includes "cf. Prochetodon sp.": Krause 1982
 Theriamorpha - Leptictidae
cf. Prodiacodon tauricinerei1 Jepsen 1930 eutherian
 Rodentia - Ischyromyidae
Paramys taurus10 Korth 1984 rodent
species "A" of McKenna
 Primates - Microsyopidae
Microsyops angustidens8, "Haplomylus speirianus" = Microsyops speirianus
Microsyops angustidens8 Matthew 1915 primate
"Haplomylus speirianus" = Microsyops speirianus Cope 1880 primate
 Primates - Notharctidae
Cantius mckennai7 Gingerich and Simons 1977 primate
 Primates - Paromomyidae
cf. Simpsonlemur jepseni1 Simpson 1955 primate
 Primates - Omomyidae
Tetonius matthewi2 Bown and Rose 1987 tarsier
 Perissodactyla -
Cardiolophus radinskyi5 Gingerich 1991 odd-toed ungulate
 Perissodactyla - Equidae
"Arenahippus grangeri" = Sifrhippus grangeri4
"Arenahippus grangeri" = Sifrhippus grangeri4 Gingerich 1989 horse
 Artiodactyla - Diacodexeidae
Diacodexis primus14 Krishtalka and Stucky 1985 even-toed ungulate
Bunophorus robustus19 Sinclair 1914 even-toed ungulate
apparently described by McKenna as "Wasatchia sp.," but not on his list
 Procreodi - Arctocyonidae
Thryptacodon antiquus Matthew and Granger 1915 condylarth
Chriacus gallinae Matthew and Granger 1915 condylarth
 Placentalia -
Creodonta indet.6 Cope 1875 creodont
 Creodonta -
Didelphodus absarokae Cope 1881 creodont
 Creodonta - Hyaenodontidae
Prototomus secundarius15 Cope 1875 creodont
robustus [Polly 1993: "Sinopa sp."
 Theriamorpha - Viverravidae
Didymictis leptomylus16 Cope 1880 placental
Viverravus acutus Matthew and Granger 1915 placental
 Theriamorpha -
Miacis exiguus Matthew and Granger 1915 placental
probably OK, see Gingerich 1983a
 Condylarthra - Hyopsodontidae
Hyopsodus loomisi McKenna 1960 condylarth
Hyopsodus simplex17 Loomis 1905 condylarth
 Macroscelidea - Apheliscidae
Apheliscus sp.18 Cope 1875 elephant shrew
: "A. nitidus"
 Macroscelidea - Amphilemuridae
cf. Macrocranion nitens1 Matthew 1918 elephant shrew
 Cimolesta - Apatemyidae
Labidolemur kayi9 Simpson 1929 eutherian
 Cimolesta - Esthonychidae
Esthonyx spatularius9 Cope 1880 tillodont
 Theriamorpha - Herpetotheriidae
"Copedelphys innominata" = Herpetotherium innominatum12 Simpson 1928 marsupial
Peradectes elegans13 Matthew and Granger 1921 marsupial
Peradectes protinnominatus McKenna 1960 marsupial
Reptilia
 Squamata - Anguidae
Anguidae indet.3 Gray 1825 squamates