Abstract
During the period from 1962 to 1973 Raymond Casey produced several ground-breaking papers on the Upper Jurassic of eastern England. These included the recognition that genera, previously thought to be of Early Cretaceous age, were in fact of latest Jurassic age. This led him to produce new correlations with the latest Jurassic of southern England, to identify the Jurassic-Cretaceous boundary within the Purbeck Limestone Group and to determine new correlations of the uppermost Jurassic succession of Britain with the Volgian Stage of the Russian Platform. These ideas are discussed and an assessment made of their validity in the light of subsequent revision. Re-assessment of the validity of the Oppressus Zone suggests new correlations between southern and eastern Britain in latest Jurassic times.
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