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A weathering hypothesis for glaciation at high atmospheric pCO2 during the Late Ordovician
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The Evolution of Reef Communities
THE REEF PHENOMENON: What is a Reef? Cenozoic Reef Models: Occurrence Cenozoic Reef Models II: Cenozoic Reef Models III Cenozoic Reef Models IV: Communities Ancient Reefs Autecology and History of…
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The Late Ordovician Mass Extinction
  • P. Sheehan
  • Geography, Environmental Science
  • 1 May 2001
▪ Abstract Near the end of the Late Ordovician, in the first of five mass extinctions in the Phanerozoic, about 85% of marine species died. The cause was a brief glacial interval that produced two…
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A new ecological-severity ranking of major Phanerozoic biodiversity crises
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Understanding the great ordovician biodiversification event (GOBE): influences of paleogeography, paleoclimate, or paleoecology
“The Great Ordovician Biodiversification Event” (GOBE) was arguably the most important and sustained increase of marine biodiversity in Earth’s history. During a short time span of 25 Ma, an…
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Ecological ranking of Phanerozoic biodiversity crises: ecological and taxonomic severities are decoupled
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Onshore-Offshore Patterns in the Evolution of Phanerozoic Shelf Communities
Cluster analysis of Cambrian-Ordovician marine benthic communities and community-trophic analysis of Late Cretaceous shelf faunas indicate that major ecological innovations appeared in nearshore…
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Shape of Mesozoic dinosaur richness
The richness of Mesozoic Dinosauria is examined through the use of a new global database. Mesozoic dinosaurs show a steadily increasing rate of diversification, in part attributable to the…
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Microbialite resurgence after the Late Ordovician extinction
TLDR
It is shown, with statistical support, that a microbialite resurgence also occurred after the Late Ordovician extinction event in western North America, and were associated with loss of mat-inhibiting animals, providing insights into shallow-water community structures after extinction events.
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Ecological ranking of Phanerozoic biodiversity crises: The Serpukhovian (early Carboniferous) crisis had a greater ecological impact than the end-Ordovician
We propose a new ecological ranking of the major Phanerozoic biodiversity crises in which the Serpukhovian biodiversity crisis is ranked fifth in ecological impact, lesser than the Late Devonian but…
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