Bozeman: Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Anguidae
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Melanosaurus sp.
Gilmore 1928
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ElShafie 2024 | 1 specimen | ||||||||
Mammalia
- Coryphodontidae
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Coryphodon sp.
(Owen 1845)
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original and current combination Lophiodon (Coryphodon) | ||||||||||
Mammalia
- Macroscelidea
- Amphilemuridae
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Entomolestes nitens
Matthew 1918
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= Macrocranion cf. nitens
Matthew 1918
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Alroy 2002 | |||||||||
described by Krishtalka 1976a | ||||||||||
Mammalia
- Macroscelidea
- Apheliscidae
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Apheliscus nitidus
Simpson 1937
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= Apheliscus sp.
Cope 1875
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Gingerich 1994 | |||||||||
possibly A. chydaeus | ||||||||||
Haplomylus bozemanensis n. sp.
Robinson and Williams 1997
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Robinson and Williams 1997 | |||||||||
(1 measurement) | ||||||||||
Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus miticulus
(Cope 1874)
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= Hyopsodus sp.
Leidy 1870
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Alroy 2002 | |||||||||
Mammalia
- Creodonta
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Prolimnocyon atavus
Matthew and Granger 1915
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= Prolimnocyon haematus
Gingerich and Deutsch 1989
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Gingerich and Deutsch 1989 | |||||||||
Mammalia
- Creodonta
- Hyaenodontidae
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Paeneprolimnocyon mordax
(Matthew and Granger 1915)
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= Prototomus robustus
Matthew and Granger 1915
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Gingerich and Deutsch 1989 | |||||||||
in part | ||||||||||
Paeneprolimnocyon mordax
(Matthew and Granger 1915)
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= Galecyon mordax
Matthew and Granger 1915
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Gingerich and Deutsch 1989 | |||||||||
in part | ||||||||||
Mammalia
- Phenacodontidae
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Phenacodus vortmani
(Cope 1880)
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Ectocion osbornianus
(Cope 1882)
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Mammalia
- Perissodactyla
- Equidae
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Hyracotherium angustidens
(Cope 1875)
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= Hyracotherium sp.
Owen 1841
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Alroy 2002 | |||||||||
= Arenahippus cf. grangeri
Gingerich 1989
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Froehlich 2002 | |||||||||
recombined as Sifrhippus grangeri | ||||||||||
Mammalia
- Diacodexeidae
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Diacodexis metsiacus
(Cope 1882)
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= Diacodexis primus
Krishtalka and Stucky 1985
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Krishtalka and Stucky 1985 | |||||||||
Mammalia
- Nyctitheriidae
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Leptacodon sp.
Matthew and Granger 1921
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= Nyctitheriidae indet.
Simpson 1928
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Bown and Schankler 1982 | |||||||||
Mammalia
- Parapternodontidae
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Koniaryctes paulus n. sp.
Robinson and Kron 1998
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Robinson and Kron 1998 | |||||||||
(1 measurement) | ||||||||||
Mammalia
- Rodentia
- Ischyromyidae
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Paramys sp.
Leidy 1871
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medium sized | ||||||||||
Mammalia
- Primates
- Micromomyidae
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Tinimomys graybulliensis
Szalay 1974
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Robinson 1994 | |||||||||
new UCM specimen (1 measurement) | ||||||||||
Myrmekomomys loomisi n. sp.
Robinson 1994
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(1 measurement) | ||||||||||
= Tinimomys loomisi
Robinson 1994
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Robinson 1994 | |||||||||
synonym of Tinimomys graybulliensis | ||||||||||
new UCM specimen | ||||||||||
Mammalia
- Primates
- Paromomyidae
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Simpsonlemur sp.
Robinson and Ivy 1994
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Robinson and Ivy 1994 | |||||||||
forms "B" and "C" | ||||||||||
Phenacolemur praecox
Matthew 1915
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OK according to Robinson and Ivy 1994 | ||||||||||
Phenacolemur simonsi
Bown and Rose 1976
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Robinson and Ivy 1994 | |||||||||
presumably includes second, smaller Phenacolemur sp. | ||||||||||
Pulverflumen magnificum n. sp.
Robinson and Ivy 1994
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Robinson and Ivy 1994 | |||||||||
Ignacius graybullianus
Bown and Rose 1976
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Robinson and Ivy 1994 | |||||||||
Mammalia
- Primates
- Omomyidae
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Tetonius homunculus
(Cope 1882)
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= Tetonius sp.
Matthew 1915
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Alroy 2002 | |||||||||
Mammalia
- Primates
- Microsyopidae
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Haplomylus speirianus
(Cope 1880)
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recombined as Microsyops speirianus | ||||||||||
confirmed by Robinson and Williams 1997 (6 measurements) | ||||||||||
Microsyops wilsoni
Szalay 1969
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= Arctodontomys wilsoni
Szalay 1969
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Alroy 2002 | |||||||||
Mammalia
- Primates
- Notharctidae
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Pelycodus mckennai
Gingerich and Simons 1977
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= Cantius mckennai
Gingerich and Simons 1977
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Gingerich and Simons 1977 | |||||||||
"P. ralstoni" | ||||||||||
Mammalia
- Multituberculata
- Eucosmodontidae
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Neoliotomus ultimus
(Granger and Simpson 1928)
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original and current combination Eucosmodon ultimus | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Johnson |
Coordinates: | 44.0° North, 106.6° West (view map) | ||||
Paleocoordinates: | 48.5° North, 89.4° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
*Period: | Tertiary | ||
Key time interval: | Wasatchian | ||
Age range of interval: | 55.80000 - 50.30000 m.y. ago | ||
* legacy (obsolete) database fields |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Collection size: | 59 specimens |
Taxonomic list comments:245 meter level in Robinson and Ivy 1994 section |
Metadata
Also known as: | UCM 81003 | ||
Database number: | 15912 | ||
Authorizer: | J. Alroy, P. Holroyd, J. Marcot | Enterer: | J. Alroy, P. Holroyd, J. Marcot | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:40 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1358. | 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] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
1125 | T. M. Bown and D. Schankler. 1982. A review of the Proteutheria and Insectivora of the Willwood Formation (Lower Eocene), Bighorn Basin, Wyoming. United States Geological Survey Bulletin 1523:1-79 [J. Alroy/J. Alroy/J. Ju] | |
87093 | S. J. ElShafie. 2024. Body size estimation from isolated fossil bones reveals deep time evolutionary trends in North American lizards. PLoS ONE 19(1:e0296318):1-25 [P. Holroyd/P. Holroyd/P. Holroyd] | |
53105 | D. J. Froehlich. 2002. Quo vadis Eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla). Zoological Journal of the Linnean Society 134:141-256 [M. Carrano/M. Carrano/M. Carrano] | |
1662 | P. D. Gingerich. 1994. New species of Apheliscus, Haplomylus, and Hyopsodus (Mammalia, Condylarthra) from the late Paleocene of southern Montana and early Eocene of northwestern Wyoming. Contributions from the Museum of Paleontology, University of Michigan 29(6):119-134 [J. Alroy/J. Alroy/K. Beard] | |
1666 | P. D. Gingerich and H. A. Deutsch. 1989. Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391 [J. Alroy/J. Alroy/J. Marcot] | |
1675 | P. D. Gingerich and E. L. Simons. 1977. Systematics, phylogeny, and evolution of early Eocene Adapidae (Mammalia, Primates) in North America. Contributions from the Museum of Paleontology, University of Michigan 24(22):245-279 [J. Alroy/J. Alroy/M. Uhen] | |
2183 | L. Krishtalka and R. K. Stucky. 1985. Revision of the Eocene Wind River Faunas, Early Eocene of Central Wyoming. Part 7. Revision of Diacodexis (Mammalian, Artiodactyla). Annals of Carnegie Museum 54(14):413-486 [J. Alroy/J. Alroy/J. Marcot] | |
2926 | P. Robinson. 1994. Myrmekomomys, a new genus of Micromomyine (Mammalia, ?Microsyopidae) from the lower Eocene rocks of the Powder River Basin, Wyoming. Contributions to Geology, University of Wyoming 30(1):85-90 [J. Alroy/J. Alroy/M. Uhen] | |
2927 | P. Robinson and L. D. Ivy. 1994. Paromomyidae (?Dermoptera) from the Powder River Basin, Wyoming and a discussion of microevolution in closely related species. Contributions to Geology, University of Wyoming 30(1):91-116 [J. Alroy/J. Alroy/M. Uhen] | |
2928 | P. Robinson and D. G. Kron. 1998. Koniaryctes, a new genus of apternodontid insectivore from lower Eocene rocks of the Powder River basin, Wyoming. Contributions to Geology, University of Wyoming 32(2):187-190 [J. Alroy/J. Alroy/J. Marcot] | |
2929 | P. Robinson and B. A. Williams. 1997. Species diversity, tooth size, and shape of Haplomylus (Condylarthra, Hyopsodontidae) from the Powder River Basin, northeastern Wyoming. Contributions to Geology, University of Wyoming 31(2):59-78 [J. Alroy/J. Alroy/P. Holroyd] |