Douglas Area Brule (6a-6d): Orellan, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Leptictidae
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Leptictis dakotensis
(Leidy 1868)
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Mammalia
- Hypertragulidae
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Hypertragulus calcaratus
(Cope 1873)
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Mammalia
- Leptomerycidae
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Leptomeryx evansi
Leidy 1853
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Mammalia
- Camelidae
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Poebrotherium eximium
Hay 1902
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| see also Prothero 1996d | ||||||||||
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Poebrotherium wilsoni
Leidy 1847
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Poebrotherium labiatum
Cope 1881
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| recombined as Paratylopus labiatus | ||||||||||
| see also Prothero 1996d | ||||||||||
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Mammalia
- Merycoidodontidae
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Miniochoerus chadronensis
(Schultz and Falkenbach 1956)
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| boundary between M. chadronensis and M. gracilis is drawn within this zone | ||||||||||
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Merycoidodon culbertsoni
(Leidy 1848)
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| original and current combination Merycoidodon culbertsonii | ||||||||||
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Mammalia
- Carnivora
- Palaeogalidae
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Palaeogale lagophaga
(Cope 1873)
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= Palaeogale sectoria
Gervais 1848
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Alroy 2002 | |||||||||
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Mammalia
- Creodonta
- Hyaenodontidae
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Hyaenodon crucians
Leidy 1853
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Hyaenodon horridus
Leidy 1853
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Mammalia
- Lagomorpha
- Leporidae
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Megalagus turgidus
(Cope 1873)
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Palaeolagus haydeni
Leidy 1856
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Litolagus molidens
Dawson 1958
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| may include type of Dawson 1958 from LNZ 6.5 mi SE of Douglas | ||||||||||
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Mammalia
- Rodentia
- Ischyromyidae
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Ischyromys parvidens
Miller and Gidley 1920
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= Ischyromys sp.
Leidy 1856
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Alroy 2002 | |||||||||
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Mammalia
- Rodentia
- Cricetidae
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Scottimus viduus
Korth 1981
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| recombined as Willeumys viduus | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Converse |
| Coordinates: | 42.9° North, 105.2° West (view map) | ||||
| Paleocoordinates: | 44.2° North, 97.1° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| *Period: | Tertiary | ||
| Key time interval: | Orellan | ||
| Age range of interval: | 33.90000 - 31.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Taxonomic list comments:between tuffs 6a and 6d |
Metadata
| Database number: | 17105 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1994-04-30 00:00:00 | Last modified: | 2002-06-03 03:27:41 |
| Access level: | the public | Released: | 1994-04-30 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1470. | E. Evanoff, D. R. Prothero, and R. H. Lander. 1992. Elocene-Oligocene climatic change in North America: The White River Formation near Douglass, East-Central Wyoming. 116-130 [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] |