| McKay Formation | |
|---|---|
| Stratigraphic range: Tortonian-Zanclean (Hemphillian) ~ | |
| Type | Formation |
| Lithology | |
| Primary | Tuffaceous sandstone |
| Location | |
| Coordinates | 45°30′N 118°48′W / 45.5°N 118.8°W |
| Approximate paleocoordinates | 45°24′N 116°06′W / 45.4°N 116.1°W |
| Region | Umatilla County, Oregon |
| Country |  United States |
| Type section | |
| Named for | McKay Reservoir |
  McKay Formation (the United States)  McKay Formation (Oregon) | |
The McKay Formation is a geologic formation in Oregon. It preserves fossils dating back to the Tortonian to Zanclean stages (Hemphillian) of the Neogene period.[1][2][3]
Fossil content
Epicyon
Eucyon davisi
Platygonus
Machairodus
Restoration of Teleoceras
The following fossils have been reported from the formation:[1][4]
Mammals
- Rodents
- Cricetidae
- Antecalomys cf. valensis
- Basirepomys pliocenicus
- Copemys esmeraldensis
- Peromyscus antiquus
- Prosomys mimus
- Aplodontidae
- Liodontia sp.
- Sciuridae
- Parapaenemarmota oregonensis
- Spermophilus mckayensis
- S. wilsoni
- Neotamias sp.
- Eomyidae
- Leptodontomys oregonensis
- Geomyidae
- Parapliosaccomys oregonensis
- Perognathinae indet.
- Dipodomyinae indet.
- Heteromyidae
- Oregonomys sargenti
- Castoridae
- Mylagaulidae
- Hesperogaulus wilsoni
- Zapodidae
- Pliozapus solus
- Leporidae
- Ochotonidae
- Lipotyphla
- Talpidae
- Gaillardia thomsoni
- ?Neurotrichus columbianus
- Scapanus cf. proceridens
- Scapanus sp.
- ?Scalopoides sp.
- Perissodactyla
- Carnivora
- Mustelidae
- Plesiogulo marshalli
- Pliotaxidea nevadensis
- Mustela sp.
- Canidae
- Felidae
- Lynx longignathus
- Machairodus sp.
- Proboscidea
- Artiodactyls
Birds
- Scolopacidae
- Bartramia umatilla
- Odontophoridae
- Callipepla shotwelli
- Anatidae
- Nettion bunkeri
See also
References
- 1 2 McKay Formation at Fossilworks.org
- ↑ McKay Formation at USGS
- ↑ McKay Formation publications at USGS
- ↑ Shotwell, 1956
Bibliography
- Shotwell, J. A (1956). "Hemphillian mammalian assemblage from northeastern Oregon". Geological Society of America Bulletin. 67 (6): 717. Bibcode:1956GSAB...67..717S. doi:10.1130/0016-7606(1956)67[717:HMAFNO]2.0.CO;2.
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