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. 1954. Fossil arthropods of California no. 19. The Tenebrionidae-Scaurinae of the asphalt deposits. Bulletin of the Southern California Academy of Sciences 53:93-98 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 161536: authorized by Matthew Clapham, entered by Matthew Clapham on 07.09.2014, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Aves | |
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"Squatarola squatarola" = Pluvialis squatarola4
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Spizaetus grinnelli4, Buteo sp.4, Buteo regalis4, Buteo jamaicensis4, Buteo swainsoni4, Buteogallus fragilis4, "Wetmoregyps daggetti" = Buteogallus (Wetmoregyps) daggetti4, "Accipiter cooperi" = Accipiter cooperii4, Accipiter striatus4, Circus cyaneus4, Haliaeetus leucocephalus4, Morphnus woodwardi4, Neophrontops americanus4, Neogyps errans4, Aquila chrysaetos4
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Falco mexicanus4, Falco sparverius4, Falco columbarius4, "Polyborus prelutosus n. sp." = Caracara cheriway3
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"Colaptes cafer" = Colaptes auratus cafer4
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"Columba fasciata" = Patagioenas fasciata4
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Breagyps clarki4, "Gymnogyps amplus" = Gymnogyps californianus4, Coragyps occidentalis4, Cathartes aura4
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Reptilia | |
"Parapavo californicus" = Meleagris californica4
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"Lophortyx californicus" = Callipepla californica4
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Insecta | |
Apsena laticornis Casey 1891 darkling beetle |