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Author: Charles Alexander Ross
Publisher: Geological Society of America
ISBN: 081371088X
Category : Fusulinidae
Languages : en
Pages : 245
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Book Description
Author: Charles Alexander Ross
Publisher: Geological Society of America
ISBN: 081371088X
Category : Fusulinidae
Languages : en
Pages : 245
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Book Description
Author: Joachim Reitner
Publisher: Springer Science & Business Media
ISBN: 3642756565
Category : Science
Languages : en
Pages : 606
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Book Description
Fossil and Recent Sponges contains articles on taxonomic, phylogenetic and ecological aspects of sponges of both biological and paleontological interest. They focus on three main topics: phylogeny and systematics, biology, and paleoecology of sponges. The reader is offered an overview over the most important aspects of current sponge research: - establishment of a new taxonomy based on mono phyletic groups (phylogenetic systematics) including recent and fossil taxa - new concepts of the biomineralisation of sponge skeletons - palaeoenvironmental analysis of fossil sponge buildups.
Author: Ronald A. Johns
Publisher: NV Bureau of Mines & Geology
ISBN:
Category : Animals, Fossil
Languages : en
Pages : 200
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Book Description
Author: Spencer G. Lucas
Publisher: New Mexico Museum of Natural History and Science
ISBN:
Category : Facies (Geology)
Languages : en
Pages : 299
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 208
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Book Description
Author: Gregory Paul Wahlmann
Publisher:
ISBN:
Category : Archaeogastropoda, Fossil
Languages : en
Pages : 316
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Book Description
Stratigraphic distribution, ecology, and functional morphology, phylogeny, and systematic paleontology of 86 species of Ordovician summetrical univalved mollusks from the midcontinent.
Author: Peter A. Allison
Publisher: Springer
ISBN: 9048186439
Category : Science
Languages : en
Pages : 603
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Book Description
Taphonomic bias is a pervasive feature of the fossil record. A pressing concern, however, is the extent to which taphonomic processes have varied through the ages. It is one thing to work with a biased data set and quite another to work with a bias that has changed with time. This book includes work from both new and established researchers who are using laboratory, field and data-base techniques to characterise and quantify the temporal and spatial variation in taphonomic bias. It may not provide all the answers but it will at least shed light on the right questions.
Author: Freek Rhebergen
Publisher: John Wiley & Sons
ISBN: 1118906640
Category : Science
Languages : en
Pages : 161
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Book Description
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.
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 328
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Book Description
Author: Matthew H. Nitecki
Publisher: Springer Science & Business Media
ISBN: 9780306462016
Category : Science
Languages : en
Pages : 280
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Book Description
Receptaculitids are extinct high-level fossils that provide a window into the history of life. After the discovery and analysis of a deposit of phosphatized receptaculitids on the Baltic Sea island of Öland, the authors conclude that receptaculitids possess an attribute not found in any other group of organisms, living or fossil.
