Elephant Butte Reservoir ( of the United States)

Where: Sierra County, New Mexico (33.1° N, 107.3° W: paleocoordinates 33.2° N, 106.7° W)

• coordinate based on political unit

When: Palomas Formation, Blancan (4.9 - 1.8 Ma)

Environment/lithology: terrestrial

Primary reference: R. H. Tedford. 1981. Mammalian biochronology of the late Cenozoic basins of New Mexico. Geological Society America Bulletin 92 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 19975: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• basalt at Mitchell Point "western side of the reservoir" dated at 2.9 Ma, method and error not indicated, but said to be KA on basalt by Lucas and Morgan 1999
formation assignment based on Lucas and Morgan 1999
Mammalia
 Perissodactyla - Tapiridae
Tapirus sp. Brisson 1762 tapir
 Perissodactyla - Equidae
"Equus simplicidens" = Equus (Dolichohippus) simplicidens
"Equus simplicidens" = Equus (Dolichohippus) simplicidens Cope 1892 horse
 Proboscidea - Mammutidae
Mammut raki n. sp.
Mammut raki n. sp. Frick 1933 mastodon
of Frick 1933 from vicinity of Rock Canyon, west side of Elephant Butte Lake, 7 mi. N of Truth or Consequences; this is south of Mitchell Point; includes "Mammutidae indet." of Tedford
 Ungulata - Camelidae
Gigantocamelus sp. Barbour and Schultz 1939 camel