Inarticulate Brachiopods of the Lower and Middle Cambrian Pioche Shale of the Ploche District, Nevada PDF Download
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Author: A. J. Rowell
Publisher:
ISBN:
Category : Inarticulata, Fossil
Languages : en
Pages : 40
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Book Description
The Pioche Shale spans the Lower-Middle Cambrian boundary as currently recognized in North America and has yielded a modest inarticulate brachiopod fauna represented by at least nine species from two orders.
Author: A. J. Rowell
Publisher:
ISBN:
Category : Inarticulata, Fossil
Languages : en
Pages : 40
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Book Description
The Pioche Shale spans the Lower-Middle Cambrian boundary as currently recognized in North America and has yielded a modest inarticulate brachiopod fauna represented by at least nine species from two orders.
Author: Jere H. Lipps
Publisher: Springer Science & Business Media
ISBN: 1489924272
Category : Science
Languages : en
Pages : 568
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Book Description
Several years ago, we realized that the most prominent ideas that had been ex pressed about the origin and early evolution of the Metazoa seemed to have been developed chiefly by zoologists using evidence from modern species without reference to the fossil record. Paleontologists had, in fact, put forth their own ideas but the zoological and the paleontological evidence were about the problem, seldom considered together, especially by zoologists. We believed that the paleon tological documentation of the first Metazoa was too scattered, too obscure to Western readers, and much of it too recent to have been readily available to our colleagues in zoology. Whether or not that was entirely true, we thought that a single volume reviewing the fossil record of the earliest Metazoa would be useful to many in both paleontology and zoology, especially since so much new informa tion has been developed in the last few years. Some of this information has been summarized in general articles recently, but an overview of most of the field does not exist. We therefore organized this book in five parts so that the evidence could be placed in perspective and summarized and inferences made from it. Part I intro duces the previous hypotheses that have been proposed for the origin and early radiation of Metazoa. Part II consists of two summary chapters that set the sedi mentological, geochemical, and biological background to the known radiations of Metazoa.
Author: L. E. Babcock
Publisher:
ISBN:
Category : Algae, Fossil
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 230
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 590
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Book Description
Author:
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 276
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Book Description
Author:
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 682
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Book Description
"Zoological Record is published annually in separate sections. The first of these is Comprehensive Zoology, followed by sections recording a year's literature relating to a Phylum or Class of the Animal Kingdom. The final section contains the new genera and subgenera indexed in the volume." Each section of a volume lists the sections of that volume.
Author: J. William Schopf
Publisher: Cambridge University Press
ISBN: 9780521366151
Category : Science
Languages : en
Pages : 1408
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Book Description
First published in 1992, The Proterozoic Biosphere was the first major study of the paleobiology of the Proterozoic Earth.
Author: John Foster
Publisher: Indiana University Press
ISBN: 0253011884
Category : Science
Languages : en
Pages : 457
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Book Description
This volume, aimed at the general reader, presents life and times of the amazing animals that inhabited Earth more than 500 million years ago. The Cambrian Period was a critical time in Earth's history. During this immense span of time nearly every modern group of animals appeared. Although life had been around for more than 2 million millennia, Cambrian rocks preserve the record of the first appearance of complex animals with eyes, protective skeletons, antennae, and complex ecologies. Grazing, predation, and multi-tiered ecosystems with animals living in, on, or above the sea floor became common. The cascade of interaction led to an ever-increasing diversification of animal body types. By the end of the period, the ancestors of sponges, corals, jellyfish, worms, mollusks, brachiopods, arthropods, echinoderms, and vertebrates were all in place. The evidence of this Cambrian "explosion" is preserved in rocks all over the world, including North America, where the seemingly strange animals of the period are preserved in exquisite detail in deposits such as the Burgess Shale in British Columbia. Cambrian Ocean World tells the story of what is, for us, the most important period in our planet's long history.
Author: Marc Ervin Salak
Publisher:
ISBN:
Category :
Languages : en
Pages : 202
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Book Description
