Download or read book Non dinosaurian Lower Vertebrates Across the Cretaceous Tertiary Boundary in Northeastern Montana written by Laurie J. Bryant and published by Univ of California Press. This book was released on 1989-01-01 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: 00 This study presents current data on vertebrate survival and extinction across the Cretaceous-Tertiary boundary in Montana. Nearly all the common taxa of reptiles (except dinosaurs), amphibians, and fish survived the end of the Cretaceous Period; extinctions were concentrated among rare groups and those found in near-shore habitats. The author concludes that ocean regression and climatic deterioration may explain these selective extinction patterns better than catastrophic hypotheses. This study presents current data on vertebrate survival and extinction across the Cretaceous-Tertiary boundary in Montana. Nearly all the common taxa of reptiles (except dinosaurs), amphibians, and fish survived the end of the Cretaceous Period; extinctions were concentrated among rare groups and those found in near-shore habitats. The author concludes that ocean regression and climatic deterioration may explain these selective extinction patterns better than catastrophic hypotheses.
Download or read book Morphology and Evolution of Turtles written by Donald B. Brinkman and published by Springer Science & Business Media. This book was released on 2012-09-14 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume celebrates the contributions of Dr. Eugene Gaffney to the study of turtles, through a diverse and complementary collection of papers that showcases the latest research on one of the most intriguing groups of reptiles. A mix of focused and review papers deals with numerous aspects of the evolutionary history of turtles, including embryonic development, origins, early diversification, phylogenetic relationships, and biogeography. Moreover it includes reports on important but poorly understood fossil turtle assemblages, provides historical perspectives on turtle research, and documents disease and variation in turtles. With its broad scope, which includes descriptions of material and new taxa from Australia, Asia, and Europe, as well as North and South America, this work will be an essential resource for anyone interested in the morphology and evolution of turtles. “This volume’s breadth of time, geography, and taxonomic coverage makes it a major contribution to the field and a ‘must have’ for all vertebrate paleontologists.”, James F. Parham, California State University, CA, USA “A comprehensive and sweeping overview of turtle evolution by the top experts in the field that will interest everyone curious about these unique reptiles.” Jason S. Anderson, University of Calgary, Canada “An invaluable addition to the literature that covers the full spectrum of approaches toward understanding the evolution of these noble creatures.” Ann C. Burke, Wesleyan University, CT , USA “A truly comprehensive volume that both the student of fossil turtles, as well as the general reader interested in these enigmatic creatures, will find fascinating.” Tyler Lyson, Yale University, CT, USA
Download or read book Learning from the Land written by Linda M. Hill and published by . This book was released on 1998 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Through the End of the Cretaceous in the Type Locality of the Hell Creek Formation in Montana and Adjacent Areas written by Gregory P. Wilson and published by Geological Society of America. This book was released on 2014-01-21 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The chapters represent a surge of field and laboratory research activity, illustrating the impacts of new and refined methods and tools. This volume explores geologic and biologic history preserved in the strata bounding the Cretaceous-Paleogene boundary"--Provided by publisher.
Download or read book The Oligocene Haynes Creek Flora of Eastern Idaho written by Daniel I. Axelrod and published by Univ of California Press. This book was released on 1998-07-31 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This flora of 70 species is dominated by deciduous trees, many with descendants in China. Precipitation was 890 mm, mean annual temperature 12.5°C, the annual range 10°C, and freezing rare. Elevation was about 1000 meters. Comparison with the Horse Prairie flora, 30 miles east and across the present continental divide, indicates that the divide was then low and discontinuous, with warmer climate to the east.
Download or read book Global Catastrophes in Earth History An Interdisciplinary Conference on Impacts Volcanism and Mass Mortality written by Virgil L. Sharpton and published by Geological Society of America. This book was released on 1990 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: The conference was held in Snowbird, Utah, October 1988, as a sequel to the Conference on Large Body Impacts held in 1981, also in Snowbird. This volume contains 58 peer-reviewed papers, arranged into sections that cover the major themes of the conference: catastrophic impacts, volcanism, and mass mortality; geological signatures of impacts; environmental effects of impacts; patterns of mass mortality; volcanism and its effects; case histories of mass mortalities; and events and extinctions at the K/T boundary. Annotation copyrighted by Book News, Inc., Portland, OR
Download or read book Otherlands written by Thomas Halliday and published by Random House. This book was released on 2022-02-01 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: “Immersive . . . bracingly ambitious . . . rewinds the story of life on Earth—from the mammoth steppe of the last Ice Age to the dawn of multicellular creatures over 500 million years ago.”—The Economist LONGLISTED FOR THE BAILLIE GIFFORD PRIZE • “One of those rare books that’s both deeply informative and daringly imaginative.”—Elizabeth Kolbert, author of Under a White Sky ONE OF THE BEST BOOKS OF THE YEAR: The New Yorker, Prospect (UK) The past is past, but it does leave clues, and Thomas Halliday has used cutting-edge science to decipher them more completely than ever before. In Otherlands, Halliday makes sixteen fossil sites burst to life on the page. This book is an exploration of the Earth as it used to exist, the changes that have occurred during its history, and the ways that life has found to adapt―or not. It takes us from the savannahs of Pliocene Kenya to watch a python chase a group of australopithecines into an acacia tree; to a cliff overlooking the salt pans of the empty basin of what will be the Mediterranean Sea just as water from the Miocene Atlantic Ocean spills in; into the tropical forests of Eocene Antarctica; and under the shallow pools of Ediacaran Australia, where we glimpse the first microbial life. Otherlands also offers us a vast perspective on the current state of the planet. The thought that something as vast as the Great Barrier Reef, for example, with all its vibrant diversity, might one day soon be gone sounds improbable. But the fossil record shows us that this sort of wholesale change is not only possible but has repeatedly happened throughout Earth history. Even as he operates on this broad canvas, Halliday brings us up close to the intricate relationships that defined these lost worlds. In novelistic prose that belies the breadth of his research, he illustrates how ecosystems are formed; how species die out and are replaced; and how species migrate, adapt, and collaborate. It is a breathtaking achievement: a surprisingly emotional narrative about the persistence of life, the fragility of seemingly permanent ecosystems, and the scope of deep time, all of which have something to tell us about our current crisis.
Download or read book Feathered Dragons written by Philip J. Currie and published by Indiana University Press. This book was released on 2004 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: The setting -- Osteology and Ichnology -- Eggs, nests, feathers, and flight.
Download or read book A Miocene 10 12 Ma Evergreen Laurel Oak Forest from Carmel Valley California written by Daniel I. Axelrod and published by Univ of California Press. This book was released on 2000-06-12 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a study of the Miocene Carmel flora of California, an evergreen laurel–oak forest that grew in a mild temperate (mean annual temperature of 15 degrees C), frost-free climate, with annual precipitation of about 760 mm (30 in.). Collectively, the Carmel and other Miocene floras like the San Pablo and Temblor (broad-leafed deciduous trees, with few evergreen species), the Puente (evergreen oak forest with chaparral species), the Mint Canyon, Ricardo, and Tehachapi (numerous arid subtropical scrub associated with oak woodland and chaparral species) suggest they foreshadowed a similar distribution of the different California vegetation zones today.
Download or read book The Miocene Purple Mountain Flora of Western Nevada written by Daniel I. Axelrod and published by Univ of California Press. This book was released on 1995-01-01 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this study, nine florules from the Chloropagus Formation near Fernley, Nevada, are dated at 14.7-13.4 million years. The author finds that dominant mixed conifer forest and sclerophyll woodland species of the Sierra Nevada-Klamath region replaced exotic deciduous hardwoods in the two lowest sites. He concludes that this change reflects the loss of adequate summer rain as upwelling from a colder ocean resulted from spreading East Antarctic ice.
Download or read book The Beginning of the Age of Mammals in the San Juan Basin New Mexico Biostratigraphy and Evolution of Paleocene Mammals of the Nacimiento Formation written by Thomas E. Williamson and published by New Mexico Museum of Natural History and Science. This book was released on 1996 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fossil Frogs and Toads of North America written by J. Alan Holman and published by Indiana University Press. This book was released on 2003-12-25 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: The heart of this book consists of detailed systematic accounts of the known fossil frogs and toads (anurans) of North America and their localities. Extinct fossil frogs and toads are fully discussed and illustrated, and in some cases are re-diagnosed and re-described. For fossil taxa still living, the book gives the modern characteristics, ecological attributes, and modern ranges, and includes illustrations of diagnostic skeletal elements. The volume begins with an overview of the anurans and anuran studies, a general account of the skeleton and bones, and a discussion of the early evolution of the Anura, along with the formal classification of anuran taxonomic groups found in the North American fossil record. The third part of the book presents an epoch-by-epoch discussion of Mesozoic, Tertiary, and Pleistocene anurans, the classification and phylogeny of the anurans, and a comprehensive list of references.
Download or read book At the Top of the Grand Staircase written by Alan L. Titus and published by Indiana University Press. This book was released on 2013-10-09 with total page 657 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Grand Staircase-Escalante National Monument is the location of one of the best-known terrestrial records for the late Cretaceous. Prior fieldwork confirmed the richness of the area, but a major effort begun in the new century has documented over 2,000 new vertebrate fossil sites, provided new radiometric dates, and identified five new genera of ceratopsids, two new species of hadrosaur, a probable new genus of hypsilophodontid, new pachycephalosaurs and ankylosaurs, several kinds of theropods (including a new genus of oviraptor and a new tyrannosaur), plus the most complete specimen of a Late Cretaceous therizinosaur ever collected from North America, and much more. The research documented in this book is rewriting our understanding of Late Cretaceous paleobiogeography and dinosaur phyletics. At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah is a major stepping stone toward a total synthesis of the ecology and evolution of the Late Cretaceous ecosystems of western North America.
Download or read book The Eocene Thunder Mountain Flora of Central Idaho written by Daniel I. Axelrod and published by Univ of California Press. This book was released on 1998-03-17 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Eocene (45 Ma) flora from Thunder Mountain caldera shows that montane conifer forest species from upper slopes descended to interfinger with mixed conifer-deciduous hardwood forest on the caldera floor then near 1700 m. Most species are allied to those in the western United States, but a few genera are in China. Precipitation was near 100 cm yearly, with most in summer.
Download or read book Vertebrate Paleontology in New Mexico written by Spencer G. Lucas and published by New Mexico Museum of Natural History and Science. This book was released on 1993 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lower and Middle Cretaceous Terrestrial Ecosystems written by Spencer G. Lucas and published by New Mexico Museum of Natural History and Science. This book was released on 1998 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cretaceous Period Biotic Diversity and Biogeography written by Ashu Khosla and published by New Mexico Museum of Natural History and Science. This book was released on 2016-01-01 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
