Tecolotlan (Las Gravas Beds) ( of Mexico)

Where: Jalisco, Mexico (20.2° N, 104.1° W: paleocoordinates 20.3° N, 103.5° W)

• coordinate based on nearby landmark

When: Blancan to Blancan (4.9 - 0.3 Ma)

• "latest Blancan or earliest Irvingtonian" (Carranza and Miller 2002)

• member-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone and conglomerate

• "sandy to mostly conglomeratic" (Carranza and Miller 2002)

Size class: macrofossils

Primary reference: W. E. Miller and O. Carranza-Castaneda. 1998. Late Tertiary Canids from Central Mexico. Journal of Paleontology 72(3):546-556 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 20078: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• from one or more of "more than 40" sites in the basin
Mammalia
 Proboscidea - Gomphotheriidae
Rhynchotherium sp. Falconer 1868 gomphothere
 Cingulata - Glyptodontidae
Glyptotherium sp. Osborn 1903 glyptodon
 Artiodactyla - Camelidae
Camelops sp. Leidy 1854 camel
 Artiodactyla - Tayassuidae
Platygonus sp. Leconte 1848 peccary
 Perissodactyla - Equidae
"Equus simplicidens" = Plesippus simplicidens Cope 1892 horse
Nannippus peninsulatus Cope 1885 hipparionine horse
omitted by Carranza and Miller 2002
 Rodentia - Hydrochoeridae
"Neochoerus cf. cordobai" = Phugatherium dichroplax
"Neochoerus cf. cordobai" = Phugatherium dichroplax Ahearn and Lance 1980 caviomorph