LACM 6943 ( of the United States)

Also known as Upper Bowerman Landfill

Where: Orange County, California (33.7° N, 117.7° W: paleocoordinates 32.4° N, 109.5° W)

• coordinate estimated from map

When: Sespe Formation, late Late Arikareean (29.5 - 18.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Primary reference: D. P. Whistler and E. B. Lander. 2003. New Late Uintan to Early Hemingfordian Land Mammal Assemblages from the Undifferentiated Sespe and Vaqueros Formations, Orange County, and from the Sespe and Equivalent Marine Formations in Los Angeles, Santa Barbara, and Ventura Counties, Southern California. Bulletin of the American Museum of Natural History 279:231-268 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 167849: authorized by Jonathan Marcot, entered by Jonathan Marcot on 04.04.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Tribosphenida - Erinaceidae
Erinaceidae indet. Fischer von Waldheim 1817 hedgehog
 Carnivora - Canidae
Phlaocyon sp. Matthew 1899 bone-crushing dog
 Artiodactyla - Merycoidodontidae
Merychyus elegans Leidy 1858 oreodont
 Rodentia - Heteromyidae
Schizodontomys sp. Rensberger 1973 rodent
 Rodentia - Cricetidae
Leidymys nematodon Cope 1879 rodent
 Lagomorpha - Ochotonidae
? Gripholagomys sp. Green 1972 pika