LACM 6940 ( of the United States)

Also known as Upper Bowerman Landfill; LACM 6936; LACM 6937; LACM 6939; LACM 6942; LACM 6944; LACM 6945

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 (30.8 - 20.4 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 167848: authorized by Jonathan Marcot, entered by Jonathan Marcot on 04.04.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rodentia - Cricetidae
Leidymys nematodon Cope 1879 mouse
 Rodentia - Heteromyidae
Schizodontomys sp. Rensberger 1973 rodent
 Lagomorpha - Ochotonidae
? Gripholagomys sp. Green 1972 pika
 Tribosphenida - Heterosoricidae
Heterosoricidae indet. Viret and Zapfe 1951 placental
 Carnivora - Canidae
? Mesocyon sp. Scott 1890 canid
from LACM loc. 6942
cf. Leptocyon sp. Matthew 1918 canine
Phlaocyon taylori Hayes 2000 bone-crushing dog
from LACM loc. 6942
 Ungulata - Moschidae
? Machaeromeryx tragulus Matthew 1926 musk deer
? Pseudoblastomeryx advena Matthew 1907 musk deer
 Theriiformes - Herpetotheriidae
Herpetotherium sp. Cope 1873 marsupial