History of marine biodiversity
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Peter M. Sheehan
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Article
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2001
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John Wiley and Sons
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English
β 255 KB
## Abstract During the Phanerozoic, three steps of increasing diversity each had a unique Evolutionary Fauna (EF). During each EF, there were geologically long intervals of community stasis referred to as Ecological Evolutionary Units (EEUs). These intervals were characterized by communities compos