Elk Creek (190 m): Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Leptictidae
|
||||||||||
Prodiacodon tauricinerei
(Jepsen 1930)
|
||||||||||
Mammalia
- Rodentia
- Ischyromyidae
|
||||||||||
Paramys cf. copei
Loomis 1907
|
||||||||||
Paramys cf. excavatus
Loomis 1907
|
||||||||||
Mammalia
- Rodentia
- Sciuravidae
|
||||||||||
Dawsonomys minor
Wood 1965
|
||||||||||
= cf. Knightomys minor
Wood 1965
|
Alroy 2002 | |||||||||
Mammalia
- Primates
- Microsyopidae
|
||||||||||
Microsyops sp.
Leidy 1872
|
||||||||||
= Microsyopidae indet.
Osborn and Wortman 1892
|
Alroy 2002 | |||||||||
Haplomylus speirianus
(Cope 1880)
|
||||||||||
recombined as Microsyops speirianus | ||||||||||
Mammalia
- Primates
- Notharctidae
|
||||||||||
Pelycodus sp.
Cope 1875
|
||||||||||
= Cantius sp.
Simons 1962
|
Alroy 2002 | |||||||||
"mckennai/trigonodus" | ||||||||||
Mammalia
- Primates
- Paromomyidae
|
||||||||||
Phenacolemur praecox
Matthew 1915
|
||||||||||
= Phenacolemurinae indet.
Simpson 1955
|
Alroy 2002 | |||||||||
Mammalia
- Primates
- Omomyidae
|
||||||||||
Tetonius homunculus
(Cope 1882)
|
||||||||||
= Tetonius matthewi
Bown and Rose 1987
|
Bown and Rose 1987 | |||||||||
from Y-214, 363 | ||||||||||
Tetonoides tenuiculus
(Jepsen 1930)
|
||||||||||
= Teilhardina crassidens
Bown and Rose 1987
|
Bown and Rose 1987 | |||||||||
from Y-363 | ||||||||||
Mammalia
- Perissodactyla
- Equidae
|
||||||||||
Hyracotherium aemulor
Gingerich 1991
|
||||||||||
recombined as Arenahippus aemulor | ||||||||||
"H. sp. 2" | ||||||||||
Mammalia
- Phenacodontidae
|
||||||||||
Phenacodus brachypternus
Cope 1882
|
||||||||||
= Copecion brachypternus
Cope 1882
|
Alroy 2002 | |||||||||
Ectocion osbornianus
(Cope 1882)
|
||||||||||
Phenacodus vortmani
(Cope 1880)
|
||||||||||
Phenacodus intermedius
Granger 1915
|
||||||||||
Mammalia
- Diacodexeidae
|
||||||||||
Diacodexis metsiacus
(Cope 1882)
|
||||||||||
= Diacodexis sp.
Cope 1882
|
Alroy 2002 | |||||||||
Mammalia
- Creodonta
- Oxyaenidae
|
||||||||||
Oxyaena sp.
Cope 1874
|
||||||||||
"intermedia/forcipata" | ||||||||||
Oxyaena gulo
Matthew and Granger 1915
|
||||||||||
Mammalia
- Creodonta
|
||||||||||
Prolimnocyon atavus
Matthew and Granger 1915
|
||||||||||
Mammalia
- Creodonta
- Hyaenodontidae
|
||||||||||
Tritemnodon sp.
Matthew 1906
|
||||||||||
"1" | ||||||||||
Prototomus sp.
Cope 1874
|
||||||||||
"1" | ||||||||||
Arfia opisthotoma
(Matthew 1901)
|
||||||||||
= Arfia sp.
Van Valen 1965
|
Alroy 2002 | |||||||||
Mammalia
- Viverravidae
|
||||||||||
Didymictis leptomylus
Cope 1880
|
||||||||||
Viverravus sp.
Marsh 1872
|
||||||||||
"V. acutus/gracilis" | ||||||||||
Viverravus sp.
Marsh 1872
|
||||||||||
"3" | ||||||||||
Mammalia
|
||||||||||
Miacis exiguus
Matthew and Granger 1915
|
||||||||||
= Miacis sp.
Cope 1872
|
Alroy 2002 | |||||||||
Vassacyon promicrodon
(Wortman and Matthew 1899)
|
||||||||||
Mammalia
- Condylarthra
- Hyopsodontidae
|
||||||||||
Hyopsodus sp.
Leidy 1870
|
||||||||||
"loomisi/minor" | ||||||||||
Mammalia
- Macroscelidea
- Apheliscidae
|
||||||||||
Apheliscus sp.
Cope 1875
|
||||||||||
"wapitiensis/insidiosus" | ||||||||||
Mammalia
- Proteutheria
- Palaeoryctidae
|
||||||||||
Palaeoryctes cf. punctatus
Van Valen 1966
|
||||||||||
= Palaeoryctes sp.
Matthew 1913
|
Bown and Schankler 1982 | |||||||||
from YM 363 | ||||||||||
cf. Pararyctes sp.
Van Valen 1966
|
Bown and Schankler 1982 | |||||||||
"Pararyctes sp. 1" from YM 363 | ||||||||||
Mammalia
- Apatemyidae
|
||||||||||
Apatemys kayi
(Simpson 1929)
|
||||||||||
= Labidolemur kayi
Simpson 1929
|
Alroy 2002 | |||||||||
Mammalia
- Coryphodontidae
|
||||||||||
Coryphodon sp.
(Owen 1845)
|
||||||||||
original and current combination Lophiodon (Coryphodon) | ||||||||||
"2" | ||||||||||
Coryphodon sp.
(Owen 1845)
|
||||||||||
original and current combination Lophiodon (Coryphodon) | ||||||||||
"1" | ||||||||||
Mammalia
- Esthonychidae
|
||||||||||
Esthonyx spatularius
Cope 1880
|
||||||||||
Mammalia
|
||||||||||
Peratherium macgrewi
Bown 1979
|
||||||||||
= Copedelphys innominata
Simpson 1928
|
Alroy 2002 | |||||||||
recombined as Herpetotherium innominatum | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Big Horn |
Coordinates: | 44.5° North, 108.0° West (view map) | ||||
Paleocoordinates: | 49.2° North, 90.8° 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
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:note: Y-215W was placed at this level by Schankler but is at 180 m, see Bown and Rose 1987 |
Metadata
Also known as: | YPM 111, 140, 214, 363 (= USGS 2151) | ||
Database number: | 15516 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy | 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:
3021. | D. M. Schankler. 1980. Faunal Zonation of the Willwood Formation in the Central Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 24:99-114 [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] | |
1123 | T. M. Bown and K. D. Rose. 1987. Patterns of Dental Evolution in Early Eocene Anaptomorphine Primates (Omomyidae) from the Bighorn Basin, Wyoming. Paleontological Society Memoir 23:1-162 [J. Alroy/J. Alroy/J. Ju] | |
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] |