The discovery of the Carnian Pluvial Episode arose through a chance conversation bringing together two seemingly unrelated strands of research: the extinction of some Triassic crinoids and the stratigraphy of the non-marine Mercia Mudstone Group. Investigations revealed a hitherto unrecognized period of climate change seemingly linked to a largely overlooked episode of biotic turnover. Ignored for more than a decade, an upsurge of interest in recent years has validated our original findings and answered some of the key questions concerning its extent and ultimate cause.

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