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Author: John E. Cadle
Publisher: Univ of California Press
ISBN: 9780520099562
Category : Science
Languages : en
Pages : 92
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Book Description
This monograph addresses questions concerning the evolutionary history of advanced snakes using molecular phylogenetic data. Viperids are the sister group of the other clades examined. Atractaspis may share a lineage with elapids. The study concludes that, because of sampling problems, many generalizations concerning snake evolution derived from the fossil record, particularly those about the age of lineages, are probably in error.
Author: John E. Cadle
Publisher: Univ of California Press
ISBN: 9780520099562
Category : Science
Languages : en
Pages : 92
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Book Description
This monograph addresses questions concerning the evolutionary history of advanced snakes using molecular phylogenetic data. Viperids are the sister group of the other clades examined. Atractaspis may share a lineage with elapids. The study concludes that, because of sampling problems, many generalizations concerning snake evolution derived from the fossil record, particularly those about the age of lineages, are probably in error.
Author: John Everett Cadle
Publisher:
ISBN:
Category : Snakes
Languages : en
Pages : 548
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Book Description
Author: Robert D. Aldridge
Publisher: CRC Press
ISBN: 1439858330
Category : Nature
Languages : en
Pages : 758
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Book Description
Offering coverage of a wide range of topics on snake reproduction and phylogeny, this comprehensive book discusses everything from primordial germ migration in developing embryos to semelparity (death after reproduction) in the aspic viper. Beginning with a review of the history of snake reproductive studies, it presents new findings on development
Author: Jonathan A. Campbell
Publisher:
ISBN:
Category : Colubridae
Languages : en
Pages : 22
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Book Description
Author: Jonathan A. Campbell
Publisher: Forgotten Books
ISBN: 9781333761431
Category : Science
Languages : en
Pages : 28
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Book Description
Excerpt from Phylogenetic Relationships of the Colubrid Snakes of the Genus Adelphicos in the Highlands of Middle America The first plate bordered on both sides by the first row of dorsals was considered to be the first ventral (dowling, We use the term cephalic index to denote head width/ head length X 100. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Michael R. J. Forstner
Publisher:
ISBN:
Category :
Languages : en
Pages : 420
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Book Description
Author: Brian I. Crother
Publisher: Elsevier
ISBN: 0080528589
Category : Science
Languages : en
Pages : 536
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Book Description
Amphibians and reptiles are the most numerous, diverse, and frequently encountered animals on the Caribbean islands. This book provides a variety of perspectives on this amazing group of organisms. Caribbean Amphibians and Reptiles, compiled by an international team of zoologists, takes a fresh and detailed look at the complex biological puzzle of the Caribbean. The first true overview of the islands, it includes a historical examination of the people who have studied the Caribbean amphibians and reptiles. The book reviews the ecology, evolutionary history, and biogeographic explanations for the origins and diversity of the region's fauna with island-by-island coverage. It puts the Caribbean in perspective by comparing the islands to Central America and its amphibian reptile diversity. Additionally, the book includes figures, tables, and color plates which bring to life some of the region's most spectacular creatures.Key Features* Presents the first complete review of amphibians and reptiles in the Caribbean* Includes color plates and island maps* Contributors are recognized authorities in the field
Author: David J. Gower
Publisher: Cambridge University Press
ISBN: 1108837344
Category : Science
Languages : en
Pages : 489
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Book Description
Latest developments in understanding how, when and where the extraordinary body plan and ecology of snakes evolved from lizard ancestors.
Author: Michael Wayne Caldwell
Publisher: CRC Press
ISBN: 1351645102
Category : Nature
Languages : en
Pages : 736
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Book Description
This book presents perspectives on the past and present state of the understanding of snake origins. It reviews and critiques data and ideas from paleontology and neontology (herpetology), as well as ideas from morphological and molecular phylogenetics. The author reviews the anatomy and morphology of extant snakes. Methods are also critiqued, including those empirical and theoretical methods employed to hypothesize ancestral ecologies for snakes. The modern debate on squamate phylogeny and snake ingroup phylogeny using molecules and morphology is examined critically to provide insights on origins and evolution. Key Features Important major evolutionary transformation in vertebrate evolution Continuing historical debate in vertebrate paleontology Of wide interest to a core audience of paleontologists, herpetologists, and morphologists Author acknowledged as prominent contributor to debate over snake origins Based on remarkable well preserved fossil specimens
Author: Joseph B. Slowinski
Publisher:
ISBN:
Category : Coral snakes
Languages : en
Pages : 292
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Book Description
