Biodiversity Response to Climate Change in the Middle Pleistocene: The Porcupine Cave Fauna from Colorado
Anthony D. Barnosky
University of California Press, Aug 2, 2004 - Science - 385 pages
This book chronicles the discovery and analysis of animal fossils found in one of the most important paleontological sites in the world—Porcupine Cave, located at an elevation of 9,500 feet in the Colorado Rocky Mountains. With tens of thousands of identified specimens, this site has become the key source of information on the fauna of North America's higher elevations between approximately 1 million and 600,000 years ago, a period that saw the advance and retreat of glaciers numerous times. Until now, little has been understood about how this dramatic climate change affected life during the middle Pleistocene. In addition to presenting state-of-the-art data from Porcupine Cave, this study also presents groundbreaking analysis on what the data from the site show about the evolutionary and ecological adjustments that occurred in this period, shedding light on how one of the world's most pressing environmental concerns—global climate change—can influence life on earth.
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The Geology and Speleogenesis
Age and Correlation of Key Fossil
Biology of Wood Rats as Cave
Paleopathology and Taphonomic
A Summary of Fossilized Species
Synopsis of the Herpetofauna
3/4 Mixed UCMP 644 DMNH Velvet Allophaiomys pliocaenicus Antilocapridae arvicoline Badger Room Blancan bones CM Velvet ROOm Colorado Curtatus Left m1 Cynomys Dentary deposits distal DMNH 644 DMNH DMNH Velvet ROOm elegans Equus extinct fauna figure Fissure Fill fossil fragment with DMNH fragmentary grid horizons interglacial Irvingtonian kansasensis/meltoni Left m1 kansasensis/meltoni Right ml Left Dentary fragment Left m1 DMNH Lemmi Lemmiscus Curtatus Lemmiscus Curtatus Left Lemmiscus Curtatus Right Lemmiscus Sp leporid Lepus Ljaw mandible Mark's Sink DMNH Mark’s Marmota maxilla meadensis Left m1 Microtus Microtus meadensis Right Mictomys kansasensis/meltoni Left Mictomys kansasensis/meltoni Right Mictomys Sp Mixed DMNH MNI NISP MNI Mountains Mustela Neotoma NISP MNI NISP Ochotona Ochotona sp phalanx Phenacomys Phenacomys Sp Porcupine Cave premaxilla REFERRED MATERIAL Right Dentary fragment Right ml DMNH rodents ROOm 3/4 Mixed ROOM DMNH sample Sciurid South Park species specimens Spermophilus stratigraphic talonid taxa trigonid UCMP Velvet ROOm 3/4 vertebral vole wood rat