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Two of the greatest evolutionary events in the history of life on Earth occurred during Early Paleozoic time. The first was the Cambrian explosion of skeletonized marine animals about 540 million years ago. The second was the "Great Ordovician Biodiversification Event," which is the focus of this book. This is the first book devoted specifically to establishing the global patterns of differentiation of Ordovician biotas through time and space. It provides extensive genus- and species-level diversity data for the many Ordovician fossil groups and presents an evaluation of how each group diversified, with assessments of patterns of change, and rates of origination and extinction.

The Great Ordovician Biodiversification Event

Ed. by Webby, Barry / Paris, Florentin / Droser, Mary / Percival, Ian

Series:The Critical Moments and Perspectives in Earth History and Paleobiology

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Publication Date:
April 2004
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21. Nautiloid Cephalopods

Frey, Robert C. / Beresi, Matilde S. / Evans, David H. / King, Alan H. / Percival, Ian G.

Citation Information

Robert C. Frey, Matilde S. Beresi, David H. Evans, Alan H. King, Ian G. Percival (2004). 21. Nautiloid Cephalopods. The Great Ordovician Biodiversification Event (pp. 209–213). https://doi.org/10.7312/webb12678-022

Book DOI: https://doi.org/10.7312/webb12678

Online ISBN: 9780231501637

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