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Late Quaternary Insects of Rancho La Brea and McKittrick, California
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AbstractAsphalt-impregnated sediments at Rancho La Brea (Los Angeles County) and McKittrick (Kern County) in California provide a rich Quaternary insect record. Ages of various sites at Rancho La Brea range from more than 40,00014C yr B.P. to modern. McKittrick insects studied by W. D. Pierce are not contemporaneous with the late Pleistocene vertebrate fauna, but are only about 700014C yr old. The major paleoecological groupings are: (1) ground dwellers, (2) aquatics. (3) scavengers, and (4) miscellaneous. Contrary to conclusions of earlier authors, most specimens represent modern species. Only two apparent terminal Pleistocene extinctions are recognized. both dung beetles (Scarabaeidae).
Title: Late Quaternary Insects of Rancho La Brea and McKittrick, California
Description:
AbstractAsphalt-impregnated sediments at Rancho La Brea (Los Angeles County) and McKittrick (Kern County) in California provide a rich Quaternary insect record.
Ages of various sites at Rancho La Brea range from more than 40,00014C yr B.
P.
to modern.
McKittrick insects studied by W.
D.
Pierce are not contemporaneous with the late Pleistocene vertebrate fauna, but are only about 700014C yr old.
The major paleoecological groupings are: (1) ground dwellers, (2) aquatics.
(3) scavengers, and (4) miscellaneous.
Contrary to conclusions of earlier authors, most specimens represent modern species.
Only two apparent terminal Pleistocene extinctions are recognized.
both dung beetles (Scarabaeidae).
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