A Revision of the Classification of the Plesiosauria with a Synopsis of the Stratigraphical and Geographical Distribution of the Group PDF Download

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A Revision of the Classification of the Plesiosauria with a Synopsis of the Stratigraphical and Geographical Distribution of the Group

A Revision of the Classification of the Plesiosauria with a Synopsis of the Stratigraphical and Geographical Distribution of the Group PDF Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 498

Book Description


A Revision of the Classification of the Plesiosauria with a Synopsis of the Stratigraphical and Geographical Distribution of the Group

A Revision of the Classification of the Plesiosauria with a Synopsis of the Stratigraphical and Geographical Distribution of the Group PDF Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 498

Book Description


A Revision of the Classification of the Plesiosauria with a Synopsis of the Stratigraphical and Geographical Distribution of the Group

A Revision of the Classification of the Plesiosauria with a Synopsis of the Stratigraphical and Geographical Distribution of the Group PDF Author: Per Ove Persson
Publisher:
ISBN:
Category : Plesiosauria
Languages : en
Pages : 480

Book Description


Ancient Marine Reptiles

Ancient Marine Reptiles PDF Author: Jack M. Callaway
Publisher: Academic Press
ISBN: 0080527213
Category : Science
Languages : en
Pages : 549

Book Description
Vertebrate evolution has led to the convergent appearance of many groups of originally terrestrial animals that now live in the sea. Among these groups are familiar mammals like whales, dolphins, and seals. There are also reptilian lineages (like plesiosaurs, ichthyosaurs, mosasaurs, thalattosaurs, and others) that have become sea creatures. Most of these marine reptiles, often wrongly called "dinosaurs", are extinct. This edited book is devoted to these extinct groups of marine reptiles. These reptilian analogs represent useful models of the myriad adaptations that permit tetrapods to live in the ocean. - First book in more than 80 years devoted exclusively to fossil marine reptiles - Documents the most current research on extinct marine reptiles - Prepared by the world's most prominent experts in the field - Well illustrated

Geologic Studies in Alaska by the U.S. Geological Survey During ...

Geologic Studies in Alaska by the U.S. Geological Survey During ... PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 230

Book Description


The Desert Bones

The Desert Bones PDF Author: Jamale Ijouiher
Publisher: Indiana University Press
ISBN: 0253063329
Category : History
Languages : en
Pages : 327

Book Description
An essential introduction to the age of dinosaurs in Africa. Once Africa was referred to as the ''Lost World of the dinosaur era,'' so poorly known were its ancient flora and fauna. Worse still, many priceless fossil specimens from the Sahara Desert were destroyed during the Second World War. Fortunately, in the twentieth-first century, more researchers are now working in north Africa than ever before and making fascinating discoveries such as the dinosaur Spinosaurus. Based on a decade of study, The Desert Bones brings the world of African dinosaurs fully into the light. Jamale Ijouiher skillfully draws on the latest research and knowledge about paleoecology to paint a compelling and comprehensive portrait of the mid-Cretaceous in North Africa.

Dinosaurs and Other Reptiles from the Mesozoic of Mexico

Dinosaurs and Other Reptiles from the Mesozoic of Mexico PDF Author: Héctor E. Rivera-Sylva
Publisher: Indiana University Press
ISBN: 0253012716
Category : Science
Languages : en
Pages : 233

Book Description
This overview of dinosaur discoveries in Mexico synthesizes current information about the geography and environment of the region during the Mesozoic when it was the western margin of the ancient continent of Pangea. The book summarizes research on various groups, including turtles, lepidosauromorphs, plesiosaurs, crocodyliforms, pterosaurs, and last but not least, dinosaurs. In addition, chapters focus on trackways and other trace fossils and on K/P boundary (the Chicxulub crater, beneath the Gulf of Mexico, has been hypothesized as the site of the boloid impact that killed off the dinosaurs). Dinosaurs and Other Reptiles from the Mesozoic of Mexico is an up-to-date, informative volume on an area that has not been comprehensively described until now.

Amniote Paleobiology

Amniote Paleobiology PDF Author: Matthew T. Carrano
Publisher: University of Chicago Press
ISBN: 0226094782
Category : Nature
Languages : en
Pages : 554

Book Description
Living amniotes—including all mammals, birds, crocodilians, snakes, and turtles—comprise an extraordinarily varied array of more than 21,000 species. Found in every major habitat on earth, they possess a truly remarkable range of morphological, ecological, and behavioral adaptations. The fossil record of amniotes extends back three hundred million years and reveals much about modern biological diversity of form and function. A collaborative effort of twenty-four researchers, Amniote Paleobiology presents thirteen new and important scientific perspectives on the evolution and biology of this familiar group. It includes new discoveries of dinosaurs and primitive relatives of mammals; studies of mammalian chewing and locomotion; and examinations of the evolutionary process in plesiosaurs, mammals, and dinosaurs. Emphasizing the rich variety of analytical techniques available to vertebrate paleontologists—from traditional description to multivariate morphometrics and complex three-dimensional kinematics—Amniote Paleobiology seeks to understand how species are related to each other and what these relationships reveal about changes in anatomy and function over time. A timely synthesis of modern contributions to the field of evolutionary studies, Amniote Paleobiology furthers our understanding of this diverse group.

U.S. Geological Survey Bulletin

U.S. Geological Survey Bulletin PDF Author: Norman John Silberling
Publisher:
ISBN:
Category : Animals, Fossil
Languages : en
Pages : 294

Book Description


U.S. Geological Survey Bulletin

U.S. Geological Survey Bulletin PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 610

Book Description


Geologic Studies in Alaska by the U.S. Geological Survey, 1994

Geologic Studies in Alaska by the U.S. Geological Survey, 1994 PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 230

Book Description