Elephant Mountain Type Locality (Miocene of the United States)

Where: Yakima County, Washington (46.5° N, 120.4° W: paleocoordinates 46.4° N, 116.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Ellensburg Formation, Early/Lower Clarendonian (12.5 - 9.4 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: E. P. Gustafson. 1978. The Vertebrate Faunas of the Pliocene Ringold Formation, South-Central Washington. Bulletin of the Museum of Natural History, University of Oregon 23:1-62 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18884: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• 45 mi W of White Bluffs
high in the local Ellensburg section above the Elephant Mountain basalt flow
Mammalia
 Artiodactyla - Antilocapridae
Merycodontinae indet. Matthew 1904 pronghorn
"similar to... Merycodus"
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
 Perissodactyla - Equidae
Hipparionini indet. Quinn 1955 hipparionine horse
 Proboscidea - Proboscidea
Proboscidea indet. proboscidean
"not Mammut"