Search results for "EXTINCTION SELECTIVITY"

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Coping between crises: Early Triassic–early Jurassic bivalve diversity dynamics

2011

The Triassic is bounded by two of the most severe biotic crises, but nevertheless this time was, for bivalves, both a recovery and a diversification period, and a moment to fully exploit some of their evolutionary novelties. Just how and when this was achieved is analyzed in this paper, which covers Induan to Sinemurian bivalve diversity, based on a newly compiled database. Taxonomic diversity and ecospace dynamics are examined separately. Diversity and evolutionary rates were assessed, extinction selectivity was tested using a resampling algorithm, and cohort analysis was used to study extinction patterns. During the Early Triassic most bivalve genera were survivors from the Permian and th…

Extinction eventBIVALVIAPermianbiologyEcologyPERMIAN/TRIASSIC EXTINCTIONTRIASSICEarly TriassicPaleontologyOceanographyBivalviabiology.organism_classificationPaleontologíaCiencias de la Tierra y relacionadas con el Medio AmbientePredationTaxonMesozoic marine revolutionEXTINCTION SELECTIVITYTRIASSIC/JURASSIC EXTINCTIONBIOTIC RECOVERYCIENCIAS NATURALES Y EXACTASEcology Evolution Behavior and SystematicsPermian–Triassic extinction eventGeologyEarth-Surface ProcessesPalaeogeography, Palaeoclimatology, Palaeoecology
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