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Barremian and Aptian (Cretaceous) sharks and rays from Speeton, Yorkshire, north-east England

By Charlie J. Underwood

Abstract

Bulk sampling of a number of horizons within the upper part of the Speeton Clay Type section has produced teeth and other remains of sharks and rays from several poorly studied horizons. At least 10 shark and two ray species were recorded, with two sharks, Pteroscyllium speetonensis and Palaeobrachaelurus mitchelli, being described as new. The oldest occurrences of the family Anacoracadae and the genus Pteroscyllium, as well as the youngest occurrence of the genus Palaeobrachaelurus, were recorded. The palaeoenvironmental significance of the faunas is briefly discussed

Topics: es
Publisher: Yorkshire Geological Society
Year: 2004
OAI identifier: oai:eprints.bbk.ac.uk.oai2:113

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