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Article: The postcranial skeleton of the Upper Triassic sphenodontid Planocephalosaurus robinsonae

Publication: Palaeontology
Volume: 27
Part: 3
Publication Date: August 1984
Page(s): 575 595
Author(s): N. C. Fraser and G. M. Walkden
DOI:
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How to Cite

FRASER, N. C., WALKDEN, G. M. 1984. The postcranial skeleton of the Upper Triassic sphenodontid Planocephalosaurus robinsonaePalaeontology27, 3, 575–595.

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Abstract

The postcranial skeleton of the Triassic sphenodontid, Planocephalosaurus robinsonae, is described from dissociated remains recovered from the type locality at Cromhall Quarry, South Gloucestershire. A full reconstruction is outlined and its relationships within the Sphenodontidae are briefly discussed. A lower Jurassic eosuchian, Gephyrosaurus bridensis, is shown to share a number of characteristics with P. robinsonae, and Gephyrosaurus is consequently considered to be either a member of the Sphenodontidae or an offshoot from the stem Sphenodontidae.
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