LACM 6935 ( 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 167851: authorized by Jonathan Marcot, entered by Jonathan Marcot on 04.04.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Tribosphenida - Herpetotheriidae
Herpetotherium sp. Cope 1873 marsupial
 Rodentia - Heteromyidae
Schizodontomys sp. Rensberger 1973 rodent
 Rodentia - Sciuridae
Nototamias sp. Pratt and Morgan 1989 squirrel
Miospermophilus sp. Black 1963 squirrel
 Rodentia - Cricetidae
Leidymys nematodon Cope 1879 mouse