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      On the causes of mass extinctions

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      Palaeogeography, Palaeoclimatology, Palaeoecology

      Elsevier BV

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          Biogeochemical aspects of atmospheric methane

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            Mass extinctions in the marine fossil record.

             D Raup,  J Sepkoski (1982)
            A new compilation of fossil data on invertebrate and vertebrate families indicates that four mass extinctions in the marine realm are statistically distinct from background extinction levels. These four occurred late in the Ordovician, Permian, Triassic, and Cretaceous periods. A fifth extinction event in the Devonian stands out from the background but is not statistically significant in these data. Background extinction rates appear to have declined since Cambrian time, which is consistent with the prediction that optimization of fitness should increase through evolutionary time.
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              Large igneous provinces: Crustal structure, dimensions, and external consequences

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                Author and article information

                Journal
                Palaeogeography, Palaeoclimatology, Palaeoecology
                Palaeogeography, Palaeoclimatology, Palaeoecology
                Elsevier BV
                00310182
                July 2017
                July 2017
                : 478
                :
                : 3-29
                Article
                10.1016/j.palaeo.2016.11.005
                © 2017

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