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Showing 1–5 of 5 results
Advanced filters: Author: Richard J. Twitchett Clear advanced filters

  • Global warming impacts during the Toarcian Oceanic Anoxic Event were initially more severe for terrestrial ecosystems than marine ecosystems, and included a loss of vegetation diversity, according to spore–pollen assemblage data from Pliensbachian–Toarcian rock samples.

    • Sam M. Slater
    • Richard J. Twitchett
    • Vivi Vajda
    Research
    Nature Geoscience
    Volume: 12, P: 462-467

  • At least two-thirds of marine genera died out during the end-Permian mass extinction about 252 million years ago. An analysis of extinct and surviving taxa shows no substantial loss in global functional diversity, although there were significant losses in some settings such as tropical reefs.

    • William J. Foster
    • Richard J. Twitchett
    Research
    Nature Geoscience
    Volume: 7, P: 233-238

  • Physiological changes associated with dwarfing in two marine molluscs that are adapted to acidified seawater at shallow CO2 seeps help the animals keep their shells intact. Such changes may have helped species to survive past mass extinction events.

    • Vittorio Garilli
    • Riccardo Rodolfo-Metalpa
    • Marco Milazzo
    Research
    Nature Climate Change
    Volume: 5, P: 678-682

  • Little is known about Mesozoic marine reptile dead-falls. Here, the authors reconstruct the ecological succession of a Late Jurassic shallow-water ichthyosaur fall community and show that it fulfilled ecological roles similar to shallow whale falls and did not support specialized chemosynthetic communities.

    • Silvia Danise
    • Richard J. Twitchett
    • Katie Matts
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-8