Boardman: Hemphillian, Oregon
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Proboscidea
- Mammutidae
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Mammut sp.
Blumenbach 1799
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Mammalia
- Xenarthra
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Xenarthra indet.
(Cope 1889)
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"sloth" | ||||||||||
Mammalia
- Carnivora
- Felidae
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Machairodus sp.
Kaup 1833
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Mammalia
- Carnivora
- Canidae
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Osteoborus sp.
Stirton and VanderHoof 1933
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= Borophaginae indet.
Simpson 1945
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Alroy 2002 | |||||||||
Canis sp.
Linnaeus 1758
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= Canini indet.
Fischer de Waldheim 1817
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Alroy 2002 | |||||||||
Mammalia
- Carnivora
- Ursidae
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Ursidae indet.
Gray 1825
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Mammalia
- Carnivora
- Procyonidae
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Bassariscus sp.
Coues 1887
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= Procyonidae indet.
Gray 1825
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Alroy 2002 | |||||||||
Mammalia
- Camelidae
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Camelidae indet.
Gray 1821
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large and small | ||||||||||
Mammalia
- Tayassuidae
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Prosthennops sp.
Matthew and Gidley 1904
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= Tayassuinae indet.
Palmer 1897
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Alroy 2002 | |||||||||
Mammalia
- Antilocapridae
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Sphenophalos sp.
Merriam 1909
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras sp.
Hatcher 1894
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Aphelops sp.
Owen 1845
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Mammalia
- Perissodactyla
- Equidae
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Neohipparion sp.
Gidley 1903
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= Hipparionini indet.
Quinn 1955
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Alroy 2002 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Oregon | County: | Morrow |
Coordinates: | 45.8° North, 119.7° West (view map) | ||||
Paleocoordinates: | 45.8° North, 117.0° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | outcrop |
Time
Period: | Neogene | ||
10 m.y. bin: | Cenozoic 6 | ||
*Period: | Tertiary | *Epoch: | Miocene |
Key time interval: | Hemphillian | ||
Age range of interval: | 9.40000 - 4.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Stratigraphic resolution: | member | ||||
Stratigraphy comments: "relatively thin stratigraphic unit" |
Lithology and environment
Primary lithology: | tuffaceous unlithified sandstone |
Secondary lithology: | tuff |
Lithology description: "unconsolidated sands, tuffaceous sandstone and tuffs" | |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | species names |
Collection methods: | surface (float),field collection |
Reason for describing collection: | paleoecologic analysis |
Collection method comments: "collection on hands and knees" from a blowout |
Metadata
Also known as: | UO 2255 | ||
Database number: | 18833 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 1993-09-27 00:00:00 | Last modified: | 2004-03-22 18:47:53 |
Access level: | the public | Released: | 1993-09-27 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
3110. | 5% 43520 | J. A. Shotwell. 1958. Inter-community relationships in Hemphillian (mid-Pliocene) mammals. Ecology 39(2):271-282 [J. Alroy/J. Alroy/W. Clyde] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] |