Introduction -- Early and early middle Triassic in Gondwana -- Early and early middle Triassic in Laurasia -- Late middle and late Triassic of Gondwana -- Late middle and late Triassic of Europe -- Late Triassic of Great Britain -- Triassic of the Central Atlantic margin system -- Late Triassic of the western United States -- Two extraordinary windows into Triassic life -- Biotic changes during the Triassic period -- The end of the Triassic : out with a bang or a whimper?