Purbeckian


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Purbeckian

[pər′bek·ē·ən]
(geology)
A stage of geologic time in Great Britain: uppermost Jurassic (above Bononian, below Cretaceous).
References in periodicals archive ?
chouberti in shallow to restricted marine sediments that were attributed, respectively, to the Portlandian B and to the Purbeckian. No mention of Anchispirocyclina from the Valanginian beds.
Maync (1958) attributes this species to a Purbeckian age.
virguliana is already present in the upper Kimmeridgian of Portugal, but is more abundant in the Portlandian and Purbeckian stages.