The Late Triassic (~235–201.3 Ma) is one of the critical intervals of Phanerozoic earth history. Against a backdrop of marked climatic differences across Pangea (Sellwood and Valdes, 2006) and changing global atmospheric conditions (e.g., Berner, 2006), the Late Triassic saw the final recovery from the Permo–Triassic mass extinction, just before the end-Triassic mass extinction, and was punctuated by at least one major extraterrestrial bolide impact (Hodych and Dunning, 1992; Ramezani et al., 2005). Late Triassic terrestrial ecosystems are of particular interest, because they saw the origin of many modern vertebrate groups (e.g., Hugall et...

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