A New Silurian Llandovery Telychian Sponge Assemblage From Gotland Sweden
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A New Silurian Llandovery Telychian Sponge Assemblage From Gotland Sweden
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Author : Freek Rhebergen
language : en
Publisher: John Wiley & Sons
Release Date : 2014-02-27
A New Silurian Llandovery Telychian Sponge Assemblage From Gotland Sweden written by Freek Rhebergen and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-27 with Science categories.
A newly discovered, diverse sponge fauna of early Silurian age, is described from Gotland, Sweden. This is the first Silurian sponge assemblage known from Baltica, and the only diverse Llandoverian assemblage known worldwide. The fauna includes 20 genera and 29 species, of which three genera and six species are new. Eighteen species are new to Baltica. The fauna shows strong similarities to later Silurian assemblages in Arctic Canada, but one endemic species comprises ca. 50% of the fauna. The fauna shows that lithistid sponges recovered well from the late Ordovician extinction in some areas, and became widely spread in the early Silurian. In contrast, non-lithistid sponges like, such as hexactinellids, appear to have evolved rapidly during the Late Ordovician – early Silurian interval, and some modern groups probably originated in inshore habitats.
Climate Change Ocean Acidification And Sponges
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Author : José Luis Carballo
language : en
Publisher: Springer
Release Date : 2017-10-27
Climate Change Ocean Acidification And Sponges written by José Luis Carballo and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-27 with Science categories.
While sponges represent a very simple group of organisms, which are represented by over 8000 species, there is considerable interest in the increasing role they may play in future marine ecosystems. While we still have a comparatively limited understanding of how sponges will respond to ocean warming and acidification there is evidence that some species may have the ability to acclimate or even adapt to these stressors. This comprehensive collection of articles describes our current understanding of the impacts of ocean acidification and warming on sponges across multiple levels of biological organisation, and from the geological past to the present. With expert contributions from across the world this book represents the most up-to-date view on sponge responses to climate change. This book will be of interest to a wide audience of marine scientists and managers, who are grappling with how to manage, conserve and protect marine ecosystems.
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.
Two Assemblages Of Polychaete Jaws From The Silurian Of Gotland
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Author : Anders Martinsson
language : en
Publisher:
Release Date : 1960
Two Assemblages Of Polychaete Jaws From The Silurian Of Gotland written by Anders Martinsson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with categories.
Earth History And Palaeogeography
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Author : Trond H. Torsvik
language : en
Publisher: Cambridge University Press
Release Date : 2017
Earth History And Palaeogeography written by Trond H. Torsvik and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Science categories.
This book provides a complete Phanerozoic story of palaeogeography, using new and detailed full-colour maps, to link surface and deep-Earth processes.
Fossils And Strata Trace Fossils From The Lower Cambrian Mickwitzia Sandstone South Central Sweden
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Author : S. Jensen
language : en
Publisher: Wiley-Blackwell
Release Date : 2006-12-06
Fossils And Strata Trace Fossils From The Lower Cambrian Mickwitzia Sandstone South Central Sweden written by S. Jensen and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-12-06 with Science categories.
Trilobites Of The Middle Ordovician Elnes Formation Of The Oslo Region Norway
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Author : Thomas Hansen
language : en
Publisher: Wiley-Blackwell
Release Date : 2009-05-11
Trilobites Of The Middle Ordovician Elnes Formation Of The Oslo Region Norway written by Thomas Hansen and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-05-11 with Science categories.
The highly fossiliferous upper Darriwilian to lower Sandbian Elnes Formation of Norway presents an interesting insight into the general responses and preferences of Lower Palaeozoic faunas belonging to a stable, mud dominated middle to outer shelf environment in connection with a major transgressive to regressive system tract. The rich trilobite fauna consisting of nearly 100 taxa is closely linked to the changes in the environment, being most abundant in a muddy and siliciclastic dominated environment just above storm wave base. The fauna is highly endemic for the region and the remainder of Baltoscania. This monograph presents a taxonomic description of the total trilobite fauna, including a new genus and seven hitherto unknown species. New and extensive biostratigraphical data is presented on the trilobites together with a study on the biogeographical and ecological aspects of the faunas.
The Devonian Tetrapod Ichthyostega
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Author : Erik Jarvik
language : en
Publisher: Wiley-Blackwell
Release Date : 2006-12-06
The Devonian Tetrapod Ichthyostega written by Erik Jarvik and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-12-06 with Science categories.
A study of the Ichthyostega genus of extinct animals This detailed fossil study takes readers back millions of years to the Devonian Period. The Devonian Tetrapod Ichthyostega is Number 40 within the Fossils and Strata series. The series offers monographs and memoirs in palaeontology and stratigraphy. The international Fossils and Strata features systematic and regional monographs with taxonomic descriptions. The series is owned by and published on behalf of The Lethaia Foundation with collaboration among the Scandinavian countries.
Paleozoic Stratigraphy And Resources Of The Michigan Basin
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Author : G. Michael Grammer
language : en
Publisher: Geological Society of America
Release Date : 2018-04-12
Paleozoic Stratigraphy And Resources Of The Michigan Basin written by G. Michael Grammer and has been published by Geological Society of America this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-12 with Geology categories.
The Michigan Basin is a classic intracratonic basin that has played a significant role in the fundamental understanding of geological processes in such basins, and has been an important resource for oil and gas, economic minerals, groundwater, and coal. Despite the classic nature of the Michigan Basin, there has not been a "special volume" dedicated to the basin in nearly 25 years. Since that time, new advancements in the geological sciences, particularly the utilization of high-resolution sequence stratigraphy and three-dimensional geostatistical modeling, have led to a new and more comprehensive understanding of the Paleozoic sedimentary packages of the Michigan Basin. This volume provides significant new insights of the Michigan Basin to both academic and applied geoscientists; it includes papers that discuss various aspects of the sedimentology and stratigraphy of key units within the basin, as well as papers that analyze the diverse distribution of natural resources present in this basin.
Phylum Bryozoa
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Author : Thomas Schwaha
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2020-11-23
Phylum Bryozoa written by Thomas Schwaha 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 2020-11-23 with Nature categories.
With an account of over 6.000 recent and 15.000 fossil species, phylum Bryozoa represents a quite large and important phylum of colonial filter feeders. This volume of the series Handbook of Zoology contains new findings on phylogeny, morphology and evolution that have significantly improved our knowledge and understanding of this phylum. It is a comprehensive book that will be a standard for many specialists but also newcomers to the field of bryozoology.