Titlebook: Global Bio-Events; A Critical Approach. Otto H. Walliser Conference proceedings 1986 Springer-Verlag Berlin Heidelberg 1986 Bryozoa.Gebirge

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https://doi.org/10.1007/978-1-4615-9352-2vents approaches the extinction event at the end of the Ordovician in importance. The Ordovician global bio-events appear to have been synchronous with major eustatic fluctuations of the sea-level. However, not all such fluctuations led to noteworthy extinctions.

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缺乏

,Frasnian mass extinction — a single catastrophic event or cumulative?,ccumulation of many successive episodes of extinctions which changed the character of the fauna..4. There exists no evidence for a catastrophic change at the Frasnian-Famennian boundary. Instead, the documented changes occurred over a time period of approximately 6 to 8 million years.

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https://doi.org/10.1007/978-3-662-12032-3nt (transgressive, rather quick), and the Kačák Event (transgressive, abrupt). These events, clearly expressed in lithology and fossil content, are probably caused by eustatic sea level changes. They are demonstrated in a similar manner in many other areas, even distant and of different tectonic regimes.

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租约

The IGCP Project 216 "Global biological events in earth history",The IGCP Project 216 is concerned with worldwide traceable exceptional changes ("events") within the biosphere. The principle objectives of this project, which needs interdisciplinary cooperation, are the following:

Carcinoma

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