PaleoBios, Volume 17, Numbers 2-4, September 13,1996 i CONTENTS Preface. Christopher f. Bell and Stuart S. Sumida................................................................................. i-ii Biostratigraphic correlations between the Lower Permian of North America and Central Europe using the first record of an assemblage of terrestrial tetrapods from Germany. Stuart S. Sumida, David S Berman and Thomas Martens..................................................................... 1 Fossil mammals as a tool in Andean stratigraphy: dwindling evidence of Late Cretaceous volcanism in the South Central Main Range. Andre R. Wyss, Reynaldo Charrier and John J. Flynn............................................................................ 13 A review of the biostratigraphy of Pliocene and Pleistocene sediments in the Elsinore Fault Zone, Riverside County, California. Alois F. Pajak III, Eric Scott and Christopher J. Bell............................................................................... 28 The Fairmead Landfill Locality (Pleistocene, Irvingtonian), Madera County, California: preliminary report and significance. Robert G. Dundas, Randall B. Smith and Kenneth L. Verosub.............................................................. 50 The importance of fine-scaled biostratigraphic data in addressing questions of vertebrate paleoecology and evolution. JuddA. Case............................................................................................................................................. 59 PREFACE The study of marine invertebrate fossils provided the basis from which most of the principles of stratigraphic paleontology were derived, but the powers of vertebrate fossils as tools in biostratigraphic correlations were dramatically revealed in the latter part of the 19th century during early attempts to understand the Mesozoic and Cenozoic history of western North America (Tedford, 1970). The close relationship between studies of vertebrate fossils and stratigraphy provided a means for fruitful discovery of mutually beneficial information that continued well into the present century (e.g.: Marsh, 1877; Matthew, 1899; Osborn 1909; Wood et al., 1941) Paleontology straddles the boundary between geology and biology and finds its greatest strengths in an interdisciplinary approach. The increasing specialization within geological and biological disciplines in the last three deacades, and the concomitant increase in the number of similarly specialized journals, allowed and encouraged a departure from the more integrative approach that characterized the first two thirds of the 20th century. More recently, a number of large scale studies began to reverse the trend towards increased special- ization. Excellent examples of the extremely powerful results obtainable with careful integration of paleon- tologic and stratigraphic data were provided by Milner and Panchen (1973), Lillegraven and McKenna (1986), Woodburne (1987), Bown and Rose (1990), Long (1993) and Gordon and Olson (1995). Interdiscipli- nary approaches to questions in stratigraphic paleontology today remain as important as ever. In recogni- tion of this fact, Drs. Joan Frixell and Lou Fernandez of the Department of Geology at California State University San Bernardino invited the junior author to organize a symposium for the 1994 regional meeting of the Cordilleran Section of the Geological Society of America. The symposium was organized in the spirit 11 Preface PaleoBios, 17(2-4) of interdisciplinary inquiry and the initial goal was to focus on the uses of vertebrate fossils in biostrati- graphic studies in the western United States. Although the perspective was never abandoned, the geo- graphic component grew quickly in scope. The papers published here are representative of the eclectic collection presented at the symposium. They address a diversity of geological time periods (from the Late Paleozoic to the Pleistocene) and encompass a broad geographic sweep that includes four continents (Antarctica, Europe, South America and North America). Most importantly, they demonstrate the broad applicability of vertebrate paleontology in attacking problems in stratigraphy and stratigraphic correlation. The authors provide examples of the roles that vertebrate fossils can play in a variety of situations; from their importance in determining the age of individual localities to their utility in correlating strata on continental and global scales. The very foundation of evolutionary studies was dependent upon the integration of biologial and geological concepts provided by Lyell and Darwin. It is our hope that this volume will be a small but significant component of the trend toward the continuing integration of the biological and geological sciences. Christopher J. Bell Stuart S. Sumida Acknowledgments No individual paper or edited volume can be produced without the help of many individuals and institutions. The production of this volume was supported in part by grants from the National Geographic Society (grant 5182-94 to SSS), NATO (grant DRG.940779 to SSS), the University of California Berkeley Department of Integrative Biology (to CJB), a California State University San Bernardino minigrant (to SSS) and the Annie M. Alexander Museum of Paleontology Fellowship (to CJB). In addition to Drs. Fryxell and Fernandez (noted above), the editors would like to extend their sincere thanks to the following individuals for their support, advice and encouragement: Anthony Barnosky, David Berman, Harry Greene, Elizabeth Rega, Charles Repenning, Charles Solomon, and Geraldine Swartz. High praise and thanks are due to the editorial staff of PaleoBios, who were remarkably patient and gently impatient as the need arose. Literature Cited Bown, T. M. and K. D. Rose, eds. 1990. Dawn of the Age of Mammals in the northern part of the Rocky Mountain interior, North America. Geological Society of America Special Paper 243:241pp. Gordon, M. S. and E. C. Olson. 1995. Invasions of the Land: the Transitions of Organisms from Aquatic to Terrestrial Life. Columbia University Press, New york. 312 pp. Lillegraven, J. A. and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American land-mammal "ages". American Museum Novitates 2840:1-68. Long, J. A. 1993. Palaeozoic Vertebrate Biostratigraphy and Biogeography. Johns Hopkins University Press, Baltimore. 369 pp. Marsh, O. C. 1877. Introduction and succession of vertebrate life in America. The American Journal of Science and Arts 114:337-378. Matthew, W. D. 1899(1900). A provisional classification of the fresh-water Tertiary of the west. Bulletin of the American Museum of Natural History 12:19-75. Milner, A. R. and A. L. Panchen. 1973. Geographical variation in the tetrapod faunas of the Upper Carboniferous and Lower Permian. Pages 353-368 in Implications of Continental Drift to the Earth Sciences, Volume 1 (D. H. Tarling and S. K. Runcorn, eds.). Academic Press, London. Osborn, H. F. 1909. Cenozoic mammal horizons of western North America (with faunal lists of the Tertiary Mammalia of the west by W. D. Matthew). U.S. Geological Survey Bulletin 361:1-138. Tedford, R. H. 1970. Principles and practices of mammalian geochronology in North America. Proceed- ings of the North American Paleontological Convention, Part F, Correlation by Fossils:666-703. Wood, H. E., 2nd, R. W. Chaney, J. Clark, E. H. Colbert, G. L. Jepsen, J. B. Reeside and C. Stock. 1941. Nomenclature and correlation of the North American continental Tertiary. Bulletin of the Geological Society of America 52:1-48. Woodburne, M. O., ed. 1987. Cenozoic mammals of North America: geochronology and biostratigraphy. University of California Press, Berkeley. 336 pp.