McKay Formation

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.

Fossil content


The following fossils have been reported from the formation:

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
 * Castor sp.
 * Dipoides smithi
 * Mylagaulidae
 * Hesperogaulus wilsoni
 * Zapodidae
 * Pliozapus solus
 * Leporidae
 * Hypolagus oregonensis
 * Ochotonidae
 * Ochotona spanglei


 * Lipotyphla
 * Talpidae
 * Gaillardia thomsoni
 * ?Neurotrichus columbianus
 * Scapanus cf. proceridens
 * Scapanus sp.
 * ?Scalopoides sp.


 * Perissodactyla
 * Rhinocerotidae
 * Teleoceras hicksi
 * Equidae
 * Hipparionini indet.


 * Chiroptera indet.


 * Carnivora
 * Mustelidae
 * Plesiogulo marshalli
 * Pliotaxidea nevadensis
 * Mustela sp.
 * Canidae
 * Epicyon saevus
 * Eucyon davisi
 * Felidae
 * Lynx longignathus
 * Machairodus sp.


 * Proboscidea
 * Mammutidae
 * ?Mammutidae indet.


 * Artiodactyls
 * Tayassuidae
 * Platygonus brachirostris
 * Camelidae
 * Camelidae indet.

Birds

 * Scolopacidae
 * Bartramia umatilla
 * Odontophoridae
 * Callipepla shotwelli
 * Anatidae
 * Nettion bunkeri