Black Mountain (Chamita Formation) (Neogene of the United States)

Also known as Black Mesa

Where: Rio Arriba County, New Mexico (36.5° N, 107.0° W: paleocoordinates 36.9° N, 105.3° W)

• coordinate based on political unit

When: Chamita Formation, Hemphillian (10.3 - 4.9 Ma)

Environment/lithology: terrestrial; lithology not reported

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

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 19186: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• list may be complete
Black Mesa is another name for Round Mountain: Tedford and Barghoorn 1993, p. 164
possibly relevant: Merycodus ("Meryceros") crucensis Frick 1937: "east of Black Mesa"
Mammalia
 Perissodactyla - Rhinocerotidae
Teleoceras hicksi1 Cook 1927 rhinoceros
 Carnivora - Canidae
Epicyon sp. Leidy 1858 bone-crushing dog
Carpocyon webbi2 Wang et al. 1999 bone-crushing dog
"Black Mesa, San Ildefonso, rocks referred to the Chamita Formation... Rio Arriba County"
 Xenarthra - Megalonychidae
Pliometanastes sp. Hirschfeld and Webb 1968 edentate