Bozeman (Eocene of the United States)

Also known as UCM 81003

Where: Johnson County, Wyoming (44.0° N, 106.6° W: paleocoordinates 48.5° N, 89.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

Primary reference: E. Delson. 1971. Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast. Bulletin of the American Museum of Natural History 146(4) [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15912: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• 245 meter level in Robinson and Ivy 1994 section
Mammalia
 Multituberculata - Eucosmodontidae
"Neoliotomus ultimus" = Eucosmodon ultimus
"Neoliotomus ultimus" = Eucosmodon ultimus Granger and Simpson 1928 multituberculate
 Rodentia - Ischyromyidae
Paramys sp. Leidy 1871 rodent
medium sized
 Primates - Microsyopidae
Arctodontomys wilsoni1, "Haplomylus speirianus" = Microsyops speirianus
Arctodontomys wilsoni1 Szalay 1969 primate
"Haplomylus speirianus" = Microsyops speirianus Cope 1880 primate
confirmed by Robinson and Williams 1997
 Primates - Micromomyidae
"Tinimomys graybulliensis" = Tinimomys graybulliensis9, "Tinimomys loomisi" = Tinimomys graybulliensis9
"Tinimomys graybulliensis" = Tinimomys graybulliensis9 Szalay 1974 primate
new UCM specimen
"Tinimomys loomisi" = Tinimomys graybulliensis9 Szalay 1974 primate
 Primates - Notharctidae
Cantius mckennai7 Gingerich and Simons 1977 primate
 Primates - Paromomyidae
Ignacius graybullianus10 Bown and Rose 1976 primate
Simpsonlemur sp.10 Robinson and Ivy 1994 primate
forms "B" and "C"
Phenacolemur praecox Matthew 1915 primate
OK according to Robinson and Ivy 1994
Phenacolemur simonsi10 Bown and Rose 1976 primate
presumably includes second, smaller Phenacolemur sp.
Pulverflumen magnificum n. sp.10 Robinson and Ivy 1994 primate
 Primates - Omomyidae
Tetonius sp.1 Matthew 1915 tarsier
 Theriamorpha - Nyctitheriidae
Nyctitheriidae indet.2 Simpson 1928 placental
 Theriamorpha - Parapternodontidae
Koniaryctes paulus n. sp.11 Robinson and Kron 1998 placental
 Perissodactyla - Equidae
"Arenahippus cf. grangeri" = Sifrhippus grangeri4
"Arenahippus cf. grangeri" = Sifrhippus grangeri4 Gingerich 1989 horse
 Theriamorpha - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Phenacodus vortmani Cope 1880 condylarth
 Artiodactyla - Diacodexeidae
Diacodexis primus8 Krishtalka and Stucky 1985 even-toed ungulate
 Creodonta -
Prolimnocyon haematus6 Gingerich and Deutsch 1989 creodont
 Creodonta - Hyaenodontidae
Prototomus robustus6 Matthew and Granger 1915 creodont
Galecyon mordax6 Matthew and Granger 1915 creodont
 Condylarthra - Hyopsodontidae
Hyopsodus sp.1 Leidy 1870 condylarth
 Macroscelidea - Apheliscidae
Apheliscus sp.5 Cope 1875 elephant shrew
Haplomylus bozemanensis n. sp.12 Robinson and Williams 1997 elephant shrew
 Macroscelidea - Amphilemuridae
Macrocranion cf. nitens1 Matthew 1918 elephant shrew
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
Reptilia
 Squamata - Anguidae
Melanosaurus sp.3 Gilmore 1928 squamates