Silurian Paulinitid Polychaetes From Gotland
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Silurian Paulinitid Polychaetes From Gotland
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Author : Claes F. Bergman
language : en
Publisher: Wiley-Blackwell
Release Date : 2006-12-04
Silurian Paulinitid Polychaetes From Gotland written by Claes F. Bergman and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-12-04 with Science categories.
Silurian Paulinitid Jawed Polychaetes From Gotland
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Author : Claes Bergmann
language : en
Publisher:
Release Date : 1987
Silurian Paulinitid Jawed Polychaetes From Gotland written by Claes Bergmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Paleontology categories.
Silurian Paulinitid Polychaetes From Gotland
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Author : Claes F. Bergman
language : en
Publisher: Wiley-Blackwell
Release Date : 2006-12-04
Silurian Paulinitid Polychaetes From Gotland written by Claes F. Bergman and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-12-04 with Science categories.
A detailed study of the jaw elements of Polychaete worms Silurian Paulinitid Polychaetes from Gotland is Number 25 in the Fossils and Strata series of monographs and memoirs in palaeontology and biostratigraphy. The author studied the preserved jaw elements of the Paulinitidae family of Polychaetes. Examined materials were from the Silurian sections on the Island of Gotland, Sweden. The study was based on specimens taken from over 700 samples. This study documentation, along with others in the Fossils and Strata series, features taxonomic descriptions.
Silurian Paulinited Jawed Polychaetes From Gotland
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Author : Claes F. Bergman
language : en
Publisher:
Release Date : 1987
Silurian Paulinited Jawed Polychaetes From Gotland written by Claes F. Bergman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
Early Palaeozoic Biogeography And Palaeogeography
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Author : D.A.T. Harper
language : en
Publisher: Geological Society of London
Release Date : 2014-01-27
Early Palaeozoic Biogeography And Palaeogeography written by D.A.T. Harper and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-27 with Science categories.
The Early Palaeozoic was a critical interval in the evolution of marine life on our planet. Through a window of some 120 million years, the Cambrian Explosion, Great Ordovician Biodiversification Event, End Ordovician Extinction and the subsequent Silurian Recovery established a steep trajectory of increasing marine biodiversity that started in the Late Proterozoic and continued into the Devonian. Biogeography is a key property of virtually all organisms; their distributional ranges, mapped out on a mosaic of changing palaeogeography, have played important roles in modulating the diversity and evolution of marine life. This Memoir first introduces the content, some of the concepts involved in describing and interpreting palaeobiogeography, and the changing Early Palaeozoic geography is illustrated through a series of time slices. The subsequent 26 chapters, compiled by some 130 authors from over 20 countries, describe and analyse distributional and in many cases diversity data for all the major biotic groups plotted on current palaeogeographic maps. Nearly a quarter of a century after the publication of the ‘Green Book’ (Geological Society, London, Memoir12, edited by McKerrow and Scotese), improved stratigraphic and taxonomic data together with more accurate, digitized palaeogeographic maps, have confirmed the central role of palaeobiogeography in understanding the evolution of Early Palaeozoic ecosystems and their biotas.
Polychaetes
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Author : Gregory Rouse
language : en
Publisher: Oxford University Press
Release Date : 2001-10-11
Polychaetes written by Gregory Rouse and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-10-11 with Science categories.
Polychaetes are very common marine worms belonging to the Annelid family that are of interest to marine biologists and invertebrate zoologists. The book presents an understanding of the biology of this group with many illustrations.
Proceedings Of The Estonian Academy Of Sciences Geology
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Author :
language : en
Publisher:
Release Date : 2006-06
Proceedings Of The Estonian Academy Of Sciences Geology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-06 with categories.
Annelida
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Author : Günter Purschke
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2019-03-18
Annelida written by Günter Purschke and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-18 with Science categories.
This book is the first in a series of 4 volumes in the Handbook of Zoology series about morphology, anatomy, reproduction, development, ecology, phylogeny and systematics of Annelida. This first volume covers members of the so-called basal radiation and the first part of Sedentaria. It is supplemented by chapters on the history of annelid research, their fossil record, and an introduction to the phylogeny of annelids and their position in the tree of life. In the latter chapter the history of their systematic is reviewed giving an almost complete picture of systematic-scientific progress especially in the past years which changed our view on annelid phylogeny dramatically. The most basal annelids, lately united as Palaeoannelida, represent two families of aberrant polychaetes formerly often suggested to be highly derived which now give us a fresh look on how the ancestral annelid may have looked like. These lack certain key characters such as nuchal organs and possess rather simple nervous systems which now likely represent primitive character states. In this basal radiation the first taxon of apparently unsegmented and achaetigerous animals is positioned, the Sipuncula. Most likely another group of platyhelminth-like and unsegmented and even chaeta-lees annelids, Lobatocerebridae falls into this basal radiation. The section of Sedentaria starts with Orbiniida, a taxon characterized by elongated, thread-like worms which do not have anterior appendages like palps and comprises several families representing members of the Meiofauna. These minute worms often inhabiting the interstitial spaces in marine sands are suggested to have evolved by progenesis. The second higher taxon is represented by Cirratuliformia comprising nine families of typical sedentary polychaetes each of which showing a remarkable variation of the annelid body plan. Members of this taxon usually exhibit many annelid characters but certain also lack the most typical prostomial appendages, the palps.
Silurian Late Llandovery Ludlow Atrypid Brachiopods From Gotland Sweden And The Welsh Borderlands Great Britain
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Author : Paul Copper
language : en
Publisher: NRC Research Press
Release Date : 2004
Silurian Late Llandovery Ludlow Atrypid Brachiopods From Gotland Sweden And The Welsh Borderlands Great Britain written by Paul Copper and has been published by NRC Research Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Atrypidae categories.
The morphology, evolution, and paleoecology of the highly successful Silurian atrypide spire-bearers is described in detail, including the documentation of several new species. Numerous detailed illustrations and plates accompany the text.
Mass Extinction
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Author : Ashraf M.T. Elewa
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-12-03
Mass Extinction written by Ashraf M.T. Elewa and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-03 with Science categories.
The present book combines three main aspects: five major mass extinctions; contributions on some other minor extinctions; and more importantly contributions on the current mass extinction. All three aspects are introduced through interesting studies of mass extinctions in diverse organisms ranging from small invertebrates to mammals and take account of the most accepted subjects discussing mass extinctions in insects, mammals, fishes, ostracods and molluscs.