PBDB Collection

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

Show authors, comments, and common names

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

¹Alroy 2002; ²Bown and Schankler 1982; ³ElShafie 2024; ⁴Froehlich 2002; ⁵Gingerich 1994; ⁶Gingerich and Deutsch 1989; ⁷Gingerich and Simons 1977; ⁸Krishtalka and Stucky 1985; ⁹Robinson 1994; ¹⁰Robinson and Ivy 1994; ¹¹Robinson and Kron 1998; ¹²Robinson and Williams 1997