Fossil Treasures of the Anza-Borrego Desert

Major Maps and Illustrations vii Authors and Contributors ix Sponsors x Introduction xi George T. Jefferson Lowell Lindsay Acknowledgements xxi History of Fossil Collecting in the Anza-Borrego Desert Region 1(28) Barbara Marrs The Imperial Sea: Marine Geology and Paleontology 29(14) Thomas A. Demere Invertebrates of the Imperial Sea 43(32) Thomas A. Demere N. Scott Rugh Ancestral Woodlands of the Colorado River Delta Plain 75(14) Paul Remeika Stratigraphy, Tectonics, and Basin Evolution in the Anza-Borrego Desert Region 89(18) Rebecca Dorsey Dating, Ashes, and Magnetics: New Times for Old Bones 107(14) Paul Remeika Mammalian Biostratigraphy in the Vallecito Creek-Fish Creek Basin 121(18) Michael Cassiliano The Fossil Lower Vertebrates: Fish, Amphibians, and Reptiles 139(12) Philip Gensler Mark A. Roeder George T. Jefferson The Fossil Birds of Anza-Borrego 151(10) George T. Jefferson The Ground Sloths: Invaders from South America 161(16) H. Gregory McDonald The Large Carnivorans: Wolves, Bears, and Big Cats 177(20) Chris Shaw Shelley Cox The Small Carnivorans: Canids, Felids, Procyonids, Mustelids 197(20) Lyndon K. Murray Mammoths and Their Relatives 217(18) George E. McDaniel The Small Fossil Mammals: Rodents, Rabbits, and Their Relatives 235(18) John White Hugh Wagner George T. Jefferson Extinct Horses and Their Relatives 253(20) Eric Scott The Smaller Artiodactyls: Peccaries, Oxen, Deer, and Pronghorns 273(20) Lyndon K. Murray Extinct Camels and Llamas of Anza-Borrego 293(18) S. David Webb Kesler Randall George T. Jefferson Fossil Footprints of Anza-Borrego 311(18) Paul Remeika Anza-Borrego and the Great American Biotic Interchange 329(10) H. Gregory McDonald Paleoclimates and Environmental Change in the Anza-Borrego Desert Region 339(14) Sharron Sussman Lowell Lindsay Howard J. Spero Epilogue 353(16) Lowell Lindsay George T. Jefferson Appendix Table 1: Systematic List of Fossil Plants 355(1) Paul Remeika George T. Jefferson Table 2: Systematic List of Fossil Invertebrates 356(5) George T. Jefferson Tom Demere N. Scott Rugh Lindsey Groves Table 3: Systematic List of Fossil Vertebrates 361(4) George T. Jefferson Paul Remeika Table 4: Stratigraphic Names Correlation Table 365(1) Lowell Lindsay George T. Jefferson Tables 5.A-C: Biostratigraphic Ranges of Mammals in the Vallecito Creek-Fish Creek Basin 366(3) Michael Cassiliano Glossary 369(4) Literature Cited 373(13) Index 386