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Book Depositional Environments  Lithostratigraphy  and Biostratigraphy of the White River and Arikaree Groups  Late Eocene to Early Miocene  North America

Download or read book Depositional Environments Lithostratigraphy and Biostratigraphy of the White River and Arikaree Groups Late Eocene to Early Miocene North America written by Dennis O. Terry and published by Geological Society of America. This book was released on 1998-01-01 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Special Publication

Download or read book Special Publication written by and published by . This book was released on 1989 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Morphology and Evolution of Turtles

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​

Book Bulletin of the American Museum of Natural History

Download or read book Bulletin of the American Museum of Natural History written by American Museum of Natural History and published by . This book was released on 2003 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprises articles on geology, paleontology, mammalogy, ornithology, entomology, and anthropology.

Book Journal of Vertebrate Paleontology

Download or read book Journal of Vertebrate Paleontology written by and published by . This book was released on 2011 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Neogene of Florida and Adjacent Regions

Download or read book The Neogene of Florida and Adjacent Regions written by Victor A. Zullo and published by . This book was released on 1993 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Ontogeny  Intraspecific Variation  and Systematics of the Late Cambrian Trilobite Dikelocephalus

Download or read book Ontogeny Intraspecific Variation and Systematics of the Late Cambrian Trilobite Dikelocephalus written by Nigel C. Hughes and published by . This book was released on 1994 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biometric analyses of well-localized specimens of the trilobite Dikelocephalus from the St. Lawrence Formation (Upper Cambrian), northern Mississippi Valley, suggest that all specimens belong to a single, highly variable morphospecies, D. minnesotensis. A complex pattern of ontogenetically-related and ontogeny-independent variation produced a mosaic of morphotypes, which show greater diversity than previously recorded within trilobite species. There is considerable variation within collections made from single beds. Variations of characters among collections are mosaic, and are clinal in some cases. Patterns of variation within Dikelocephalus cannot be related to lithofacies occurrence. There are no obvious temporal variations in D. minnesotensis within the St. Lawrence Formation, but some Dikelocephalus from the underlying Tunnel City Group may belong to a different taxon. The validity of this early taxon is questionable due to a lack of available material. The mosaic pattern of variation in Dikelocephalus mimics that documented at higher taxonomic levels in primitive libristomate trilobites, and helps explain difficulties in providing a workable taxonomy of primitive trilobites. Results caution proposition of evolutionary scenarios that do not take account of intraspecific variation. The recovery of dorsal shields of Dikelocephalus permits the first detailed reconstruction of the entire exoskeleton. The systematics of the genus is revised and twenty-five species are suppressed as junior synonyms of D. minnesotensis.

Book Guidebook

    Book Details:
  • Author :
  • Publisher :
  • Release : 1993
  • ISBN :
  • Pages : 118 pages

Download or read book Guidebook written by and published by . This book was released on 1993 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Biennial Report

    Book Details:
  • Author : Florida Geological Survey
  • Publisher :
  • Release : 1991
  • ISBN :
  • Pages : 184 pages

Download or read book Biennial Report written by Florida Geological Survey and published by . This book was released on 1991 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Bibliography and Index of Geology

Download or read book Bibliography and Index of Geology written by and published by . This book was released on 1992 with total page 1544 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Smithsonian Contributions to Paleobiology

Download or read book Smithsonian Contributions to Paleobiology written by Smithsonian Institution and published by . This book was released on 1969 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Bulletin of the Florida Museum of Natural History

Download or read book Bulletin of the Florida Museum of Natural History written by and published by . This book was released on 2000 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Union List of Geologic Field Trip Guidebooks of North America

Download or read book Union List of Geologic Field Trip Guidebooks of North America written by Richard A. Spohn and published by . This book was released on 1996 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Proceedings of the San Diego Society of Natural History

Download or read book Proceedings of the San Diego Society of Natural History written by and published by . This book was released on 1990 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Bibliography and Index of the Sirenia and Desmostylia

Download or read book Bibliography and Index of the Sirenia and Desmostylia written by Daryl P. Domning and published by . This book was released on 1996 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: The significant published literature on the neobiology, paleobiology, and ethnobiology of the mammalian orders Sirenia and Desmostylia is exhaustively cataloged in approximately 4590 main entries alphabetized by the author. Both technical and popular works are included, and many entries are annotated. The earliest work cited is a letter by N. Syllacio published in 1494 or 1495, describing Columbus's second voyage to the New World. The effective closing date of the bibliography was 1 May 1994. Six appendices list serial publications devoted to Sirenia, additional sources for history of sirenology and sirenian conservation, coins and postage stamps depicting sirenians, a comprehensive classification and synonymy of sirenians and desmostylians, a summary of the nomenclature of the Recent species of sirenians, and an alphabetical list of the species-group names that have been applied to sirenians and desmostylians. An extensive index is provided, employing 1059 subject headings and cross references; the subject headings include all Linnaean names and combinations ever employed for sirenians and desmostylians, as well as names of all reported sirenian food plants and parasites. More than 40% of the main entries are fully indexed, and many others are partially indexed, yielding a total of over 13,950 index entries. Each complete index entry includes author and date of the work cited, a brief annotation describing the content of the work as it pertains to the indexed subject, and a page reference for the material pertaining to that subject.