Rancho La Brea, Pit B (LACMIP 285) (Pleistocene of the United States)

Where: Los Angeles County, California (34.1° N, 118.4° W: paleocoordinates 34.1° N, 118.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Rancholabrean (0.3 - 0.0 Ma)

• "These excavations all included a Late Pleistocene biota, but assignment of exact ages is impossible in most cases because most of the Pierce beetle specimens are without stratigraphic data."

• group of beds-level stratigraphic resolution

Environment/lithology: tar; poorly lithified tar

Size classes: macrofossils, mesofossils

Reposited in the LACM

Primary reference: W. D. Pierce. 1949. Fossil arthropods of California 17. The silphid burying beetles in the asphalt deposits. Bulletin of the Southern California Academy of Sciences 48:55-70 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 161529: authorized by Matthew Clapham, entered by Matthew Clapham on 07.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Coleoptera - Tenebrionidae
"Apsena laticornis" = Apsena laticornis5 Casey 1891 darkling beetle
"Apsena labreae n. sp." = Apsena laticornis5 Casey 1891 darkling beetle
LACMP S9061, S9062
Apsena pubescens5 LeConte 1851 darkling beetle
Coniontis robusta6 Horn 1870 darkling beetle
Coniontis remnans n. sp.6 Pierce 1954 darkling beetle
S9092
Coniontis elliptica6 Casey 1884 darkling beetle
Coniontis abdominalis6 LeConte 1859 darkling beetle
ssp. casey (S9067)
Coniontis abdominalis2 LeConte 1859 darkling beetle
ssp. paraelliptica (1=S9084); ssp. interrupta (5=S9089)
Nyctoporis carinata4 LeConte 1851 darkling beetle
 Coleoptera - Staphylinidae
"Nicrophorus marginatus" = Nicrophorus marginatus3, "Nicrophorus mckittricki" = Nicrophorus marginatus
"Nicrophorus marginatus" = Nicrophorus marginatus3 Fabricius 1801 rove beetle
Nicrophorus guttulus labreae
"Nicrophorus mckittricki" = Nicrophorus marginatus Fabricius 1801 rove beetle
 Hymenoptera - Formicidae
Veromessor andrei5 Mayr 1886 ant
Aves
 Strigiformes - Strigidae
Oraristrix brea1 Howard 1933 Brea owl