The External Anatomy of the Ordovician Trilobite Cryptolithus Bellulus PDF Download
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Author: Kelly Dempster
Publisher:
ISBN:
Category : Cryptolithus
Languages : en
Pages : 258
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Book Description
Author: Kelly Dempster
Publisher:
ISBN:
Category : Cryptolithus
Languages : en
Pages : 258
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 354
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 352
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1050
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Book Description
Author: Thomas Edward Whiteley
Publisher: Comstock Publishing Associates
ISBN:
Category : Nature
Languages : en
Pages : 410
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Book Description
"Trilobites are the most lifelike of fossils--many well-preserved specimens belie their great antiquity and seem almost ready to arch their bodies, peer about with their compound eyes, and crawl forward as if to complete a journey that was interrupted hundreds of millions of years ago."--from the Foreword"New York State is and has long been a magnet for trilobite hunters.... New York's trilobites were among the first illustrated fossils in North America.... Many outstanding localities in New York State, from the majestic Ordovician limestone bluffs of Trenton Falls, to the Silurian beds in the great gorge of Niagara River, to the Devonian shale cliffs of Lake Erie, continue to yield abundant and spectacular trilobite fossils. New York strata have also yielded more trilobites with preserved appendages and other "soft parts" than almost any other region of the world.... Spectacular, ornate trilobites from New York ranging from a few millimeters to nearly a half meter in length, are featured in museums all over the world."--from the PrefaceThis superbly illustrated book reviews the trilobite fossils found throughout New York State, including their biology, methods of taphonomy (preservation of specimens), and the broader Paleozoic geology of the state. A general chapter on the geology of New York State places the importance of these now-extinct invertebrate marine animals into context. Sixty-seven line drawings and 175 black-and-white photographs illustrate individual species, many represented here by type specimens, and display the eerie beauty that has made New York State trilobites favorites of collectors the world over.
Author: Donald G. Mikulic
Publisher: University of State of New York
ISBN:
Category : Nature
Languages : en
Pages : 260
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Book Description
"Fabulous Fossils is a timely and significant contribution to the history of science and evolutionary paleontology. It details humanity's interest and developing understanding of trilobites from the recovery of these fossils at 15,000 year-old Paleolithic sites, to the 18th century appreciation that they were arthropod fossils. This volume elaborates on the development of modern trilobite research in Australia and a number of American, European, and Asian countries"--Publisher's description.
Author:
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 228
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Book Description
Author: Barry D. Webby
Publisher: Columbia University Press
ISBN: 0231501633
Category : Science
Languages : en
Pages : 497
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Book Description
Two of the greatest evolutionary events in the history of life on Earth occurred during Early Paleozoic time. The first was the Cambrian explosion of skeletonized marine animals about 540 million years ago. The second was the "Great Ordovician Biodiversification Event," which is the focus of this book. During the 46-million-year Ordovician Period (489–443 m.y.), a bewildering array of adaptive radiations of "Paleozoic- and Modern-type" biotas appeared in marine habitats, the first animals (arthropods) walked on land, and the first non-vascular bryophyte-like plants (based on their cryptospore record) colonized terrestrial areas with damp environments. This book represents a compilation by a large team of Ordovician specialists from around the world, who have enthusiastically cooperated to produce this first globally orientated, internationally sponsored IGCP (International Geological Correlation Program) project on Ordovician biotas. The major part is an assembly of genus- and species-level diversity data for the many Ordovician fossil groups. The book also presents an evaluation of how each group diversified through Ordovician time, with assessments of patterns of change and rates of origination and extinction. As such, it will become the standard work and data source for biotic studies on the Ordovician Period.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 792
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Book Description
Author: J. H. Lawton
Publisher:
ISBN: 9781383027792
Category : Extinction (Biology)
Languages : en
Pages : 0
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Book Description
This is a wide-ranging study of current and likely future species extinction rates, aimed at students and researchers in the environmental sciences. It highlights apparent differences in extinction rates among taxonomic groups and places, aiming to identify unresolved issues.
