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Author : John Adam Ryder
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.A/5 ( download)
Download or read book On the Development of the Cetacea written by John Adam Ryder and published by . This book was released on 1887 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.G.M. Thewissen
Publisher : Springer Science & Business Media
ISBN 13 : 1489901590
Total Pages : 480 pages
Book Rating : 4.4/5 (899 download)
Download or read book The Emergence of Whales written by J.G.M. Thewissen and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research in whale origins is now in an explosive phase, with a cascade of discoveries adding to our understanding of the evolutionary pattern and a suite of new techniques being applied to address new questions. The objective of this volume is to provide a snapshot of this explosion. The volume paints the scene with a broad brush. Taken together the chapters clearly indicate that cetacean origins is a field that is dynamic, multidisciplinary, and that the end of the explosive phase is not in sight.
Author : John Adam Ryder
Publisher :
ISBN 13 :
Total Pages : 488 pages
Book Rating : 4.:/5 (678 download)
Download or read book On the Development of the Cetacea, Together with a Consideration of the Probable Homologies of the Flukes of Cetaceans and Sirenians written by John Adam Ryder and published by . This book was released on 1885 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Felix G. Marx
Publisher : John Wiley & Sons
ISBN 13 : 1118561554
Total Pages : 336 pages
Book Rating : 4.1/5 (185 download)
Download or read book Cetacean Paleobiology written by Felix G. Marx and published by John Wiley & Sons. This book was released on 2016-03-29 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cetaceans (whales, dolphins, and porpoises) have fascinated and bewildered humans throughout history. Their mammalian affinities have been long recognized, but exactly which group of terrestrial mammals they descend from has, until recently, remained in the dark. Recent decades have produced a flurry of new fossil cetaceans, extending their fossil history to over 50 million years ago. Along with new insights from genetics and developmental studies, these discoveries have helped to clarify the place of cetaceans among mammals, and enriched our understanding of their unique adaptations for feeding, locomotion and sensory systems. Their continuously improving fossil record and successive transformation into highly specialized marine mammals have made cetaceans a textbook case of evolution - as iconic in its own way as the origin of birds from dinosaurs. This book aims to summarize our current understanding of cetacean evolution for the serious student and interested amateur using photographs, drawings, charts and illustrations.
Author : Robert Hamilton
Publisher : Edinburgh : W.H. Lizars
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.A/5 ( download)
Download or read book The Natural History of the Ordinary Cetacea Or Whales written by Robert Hamilton and published by Edinburgh : W.H. Lizars. This book was released on 1837 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Debra Lee Miller
Publisher : CRC Press
ISBN 13 : 1439842574
Total Pages : 456 pages
Book Rating : 4.4/5 (398 download)
Download or read book Reproductive Biology and Phylogeny of Cetacea: Whales, Porpoises and Dolphins written by Debra Lee Miller and published by CRC Press. This book was released on 2016-04-19 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: The order Cetacea comprises some amazing species, representing some of the most evolved creatures that inhabit this earth. Yet, they also represent a group of species for which much remains unknown. There are over 80 species of cetaceans composed of porpoises, dolphins and whales. This volume represents the latest of published and previously unpubl
Author : Sir William Jardine
Publisher :
ISBN 13 :
Total Pages : 373 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Natural History of the Ordinary Cetacea Or Whales written by Sir William Jardine and published by . This book was released on 1837 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward Drinker Cope
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.A/5 ( download)
Download or read book Contribution to the History of the Cetacea written by Edward Drinker Cope and published by . This book was released on 1866 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Hamilton
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.3/5 (6 download)
Download or read book The Natural History of the Ordinary Cetacea Or Whales written by Robert Hamilton and published by . This book was released on 1843 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Milan Klima
Publisher : Springer
ISBN 13 : 9783642586132
Total Pages : 144 pages
Book Rating : 4.5/5 (861 download)
Download or read book Development of the Cetacean Nasal Skull written by Milan Klima and published by Springer. This book was released on with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Morphogeny of the nasal skull was investigated in 92 embryos of 13 species of Cetacea. Compared to the original nasal capsule of land mammals, the nasal structures of Cetacea show many weighty transformations. As a result, the nostrils are translocated from the tip of the snout to the vertex of the head. Several structures of the embryonic nasal skull remain preserved even in adult cetaceans. The translocation of the nostrils to the highest point of the surfacing body is among the most perfect adaptations of cetaceans to the aquatic life habits. The morphogeny of the nasal skull suggests that all cetaceans are of common origin and form a single monophyletic order. The hitherto usual division of this order into two suborders, Mysticeti and Odontoceti, appears to be unsubstantiated. Rather, at least three closely related superfamilies should be distinguished within the order Cetacea, viz., Balaenopteroidea, Physeteroidea, and Delphinoidea. The results are in a
Author : Milan Klima
Publisher : Springer Science & Business Media
ISBN 13 : 3642586120
Total Pages : 150 pages
Book Rating : 4.6/5 (425 download)
Download or read book Development of the Cetacean Nasal Skull written by Milan Klima and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Morphogeny of the nasal skull was investigated in 92 embryos of 13 species of Cetacea. Compared to the original nasal capsule of land mammals, the nasal structures of Cetacea show many weighty transformations. As a result, the nostrils are translocated from the tip of the snout to the vertex of the head. Several structures of the embryonic nasal skull remain preserved even in adult cetaceans. The translocation of the nostrils to the highest point of the surfacing body is among the most perfect adaptations of cetaceans to the aquatic life habits. The morphogeny of the nasal skull suggests that all cetaceans are of common origin and form a single monophyletic order. The hitherto usual division of this order into two suborders, Mysticeti and Odontoceti, appears to be unsubstantiated. Rather, at least three closely related superfamilies should be distinguished within the order Cetacea, viz., Balaenopteroidea, Physeteroidea, and Delphinoidea. The results are in a
Author : Gustav Adolph Guldberg
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.A/5 ( download)
Download or read book On the Development and Structure of the Whale written by Gustav Adolph Guldberg and published by . This book was released on 1894 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : British Museum (Natural History). Department of Zoology
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)
Download or read book Guide to the Whales, Porpoises, and Dolphins (order Cetacea) written by British Museum (Natural History). Department of Zoology and published by . This book was released on 1922 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Henry William Dewhurst
Publisher :
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.B/5 (1 download)
Download or read book The Natural History of the Order Cetacea, and the Oceanic Inhabitants of the Arctic Regions ... Illustrated. With Numerous Lithographic and Wood Engravings written by Henry William Dewhurst and published by . This book was released on 1834 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederick William True
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.A/5 ( download)
Download or read book Contributions to the Natural History of the Cetaceans written by Frederick William True and published by . This book was released on 1889 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author acknowledges this work as provisional and subject to future revision on the subject of the family Delphinidae.
Author : Daniel Patón Domínguez
Publisher :
ISBN 13 : 9781536149982
Total Pages : 0 pages
Book Rating : 4.1/5 (499 download)
Download or read book Cetaceans written by Daniel Patón Domínguez and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cetaceans are one of the most unknown groups in the animal kingdom. Their study is very difficult due to their scarcity, their flighty behavior, and their enormous displacements. In addition, some species feed in very deep waters and only emerge to breathe, or they live in hard to reach areas. However, few animals create so much wonder. What child or adult has not felt emotions when contemplating the spectacles of the killer whales, the pirouettes of the dolphins, or the immensity of the whales in the middle of the sea? Some of the authors of this book have been so moved to be surrounded by a group of fin whales that could not contain their tears. It is a difficult sensation to explain. One could try to summarize it by saying that these immense animals exhale peace. Seeing dolphins making capers around a boat or a group of fin whales suddenly emerging a few meters away is one of the greatest shows we can see in nature. In the presence of these animals, there is only a feeling of recollection. These are the moments when we see how small we humans are in this wonderful biosphere. Therefore, this book is a small tribute to these beautiful living beings. Something we owe them. We have to protect these animals, but we cannot do so without knowing them. In this text, the authors provide key information to understand the evolution of cetaceans, their patterns of movement and behavior, always under a conservation perspective.This book has been written by 15 leading specialists from three different countries and with different backgrounds ranging from biology to veterinary science. They are united by a common interest, a passion. The book does not focus on a single species, but covers studies with dolphins, sperm whales, and fin whales, as well as various methodological approaches that provide key data to understand the evolution of up to 50 different species. Many diverse aspects have been covered and, above all, new methodological approaches have been provided in areas such as acoustics, the study of spatial and feeding behavior, evolution, social interactions, and even blue economics. As if this were not enough, the authors wish to highlight the immense amount of data that has been used. The first chapter on fin whales is based on hundreds of sightings over several years, and dozens of satellite images on various environmental parameters. Chapter two covers hundreds of recordings of the sounds of humpback whales around the world. Chapter three has followed the sperm whale populations of the Strait of Gibraltar over several years with hundreds of sightings. Chapters four and five study the evolution of more than fifty species through hundreds of recordings using qualitative and quantitative approaches, respectively. The sixth chapter compares the behavior of two species of dolphins. Finally, chapter seven designs a new line of study for these animals: the blue economy.
Author : Oldrich Sterba
Publisher : Springer Science & Business Media
ISBN 13 : 3642572979
Total Pages : 152 pages
Book Rating : 4.6/5 (425 download)
Download or read book Embryology of Dolphins written by Oldrich Sterba and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapid development of molecular biology and genetics has led to renewed interest in embryology, comparative embryology, and studies of the relations between ontogeny and phylogeny. In fact, genes have been identified which are involved in the formation of shapes and structures, and it is becoming apparent that their primary morphological expressions are conspicuously similar in different species. The primarily identical shapes do not become diversified until advanced individualization of embryos, and it is here that it is possible to employ the knowledge of comparative embryology, the branch of science engaged in the study of the development and differentiation of tridimensional structures in different animal groups. However, comparative embryology has been neglected during the past decades, as its development has appeared to have been completed. In our opinion, the decreased interest in comparative embryology has been caused by the fact that often the time factor was not or could not be respected. In fact, in the case of embryos of wild animals even their ontogenetic age and sometimes the duration of intrauterine development are unknown.
