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Article: Rhombopholis, a prolacertiform reptile from the Middle Triassic of England

Publication: Palaeontology
Volume: 39
Part: 3
Publication Date: September 1996
Page(s): 763 782
Author(s): Michael J. Benton and Alick D. Walker
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How to Cite

BENTON, M. J., WALKER, A. D. 1996. Rhombopholis, a prolacertiform reptile from the Middle Triassic of England. Palaeontology39, 3, 763–782.

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The first prolacertiform from the British Isles is described. The type specimen of Rhumbopholis scutulata, from the Middle Triassic of Warwick, was originally described as a temnospondyl amphibian. The specimen contains bones belonging to a large and a small prolacertiform, both possibly of the same species, as well as scales of a palaeonisciform fish. Prolacertiform characters of the small individual include long and low cervical vertebral neural spines, horizontal neural spine tables on the cervical vertebrae, tall rectangular dorsal vertebral neural spines, and, in a specimen of the presumed larger individual, a strong preacetabular crest on the ilium. Other material of the prolacertiform is noted from Warwick and Bromsgrove. The material is inadequate for confident diagnosis, but it shows closest similarities with Afacrocnemus from the Middle Triassic of continental Europe.
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