Mint Canyon (CIT 103/LACM 1006) (Miocene of the United States)

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

• coordinate based on political unit

• small collection-level geographic resolution

When: upper 14 Member (Mint Canyon Formation), Miocene (23.0 - 5.3 Ma)

Environment/lithology: fluvial; brown, green, sandy siltstone and conglomeratic sandstone

• Siltstone, very sandy, greenish to tan, and pebbly sandstone, alternating in thick layers; local vertebrate fossil accumulations (C.I.T. Loc. 103, Los Angeles Museum Loc. 1006)

Size class: macrofossils

Reposited in the LACM

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 19441: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• CIT 103 and LACM 1006 are in the same location according to Maxson and in exactly the same unit according to Jahns 1940 and I assume they are synonyms
Mammalia
 Artiodactyla - Antilocapridae
? Merycodus sp.2 Leidy 1854 pronghorn
CIT 103; "Merycodus near necatus"
 Perissodactyla - Equidae
Hipparionini indet.1 Quinn 1955 hipparionine horse
"Hipparion ? near mohavense Merriam"