Mint Canyon (UCMP 3555) (Miocene of the United States)

Where: Los Angeles County, California (34.5° N, 118.4° W: paleocoordinates 33.8° N, 114.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: 6 Member (Mint Canyon Formation), Miocene (23.0 - 5.3 Ma)

Environment/lithology: fluvial; poorly lithified, nodular, red siltstone and poorly lithified, white sandstone

• Siltstone, pinkish, and sandstone, whitish, interbedded intimately; rich in clay nodules and vivianite smears; the whole nonresistant and poorly exposed, with local badlands carrying scattered vertebrate remains (Univ. of Calif. Loc. 3555)

Size class: macrofossils

Primary reference: J. H. Maxson. 1930. A Tertiary mammalian fauna from the Mint Canyon Formation of Southern California. Carnegie Institution of Washington Publication 404(7):77-112 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 19442: authorized by John Alroy, entered by John Alroy on 27.07.1994, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• this appears to be the only major locality in the "older" and supposedly Barstovian fauna of Durham et al. 1954
Show authors, comments, and common names
Mammalia
 Artiodactyla - Antilocapridae
? Merycodus sp.2
? Merycodus sp.2 Leidy 1854 pronghorn
"?Merycodus sp.": Stirton 1933; "cf. Merychyus"; error also noted by Thorpe 1937
 Perissodactyla - Equidae
Equini indet.1, Hipparion sp.2
Equini indet.1 Quinn 1955 horse
Hipparion sp.2 de Christol 1832 hipparionine horse
Hipparion ? sp. A; UCMP 30047
1Alroy 2002; 2Stirton 1933