The Westbury Formation is a geological formation in England, one of the Penarth Group. It dates back to the Rhaetian.Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Triassic, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 521–525. . The formation is named after the village of Westbury-on-Severn in Gloucestershire.The BGS Lexicon of Named Rock Units — Result Details: Westbury Formation The remains of a giant shastasaurid and dinosaurs are known from the formation.

Vertebrate fauna

Vertebrates reported from the Westbury Formation Genus Species Location Stratigraphic position Material Notes ImagesAvalonianusH. G. Seeley. (1898). On large terrestrial saurians from the Rhaetic Beds of Wedmore Hill, described as Avalonia sanfordi and Picrodon herveyi. Geological Magazine, decade 4 5:1-6A. sanfordiWedmore Hill"Several now lost teeth."CamelotiaC. borealis Westbury-on-SevernGalton, P. M. (1985). Notes on the Melanorosauridae, a family of large prosauropod dinosaurs (Saurischia: Sauropodomorpha). Geobios, 18(5), 671–676."Vertebrae, pubis, ischium, femur, tibia, phalanges, adult.""Table 12.1," in Weishampel, et al. (2004). Page 234.Formerly thought to be postcranial remains of Avalonianus.IchthyotitanI. severnensisBlue Anchor and LilstockTwo partial surangularsPossibly one of the largest marine reptiles.PicrodonP. herveyiWedmore Hill"Tooth."ShastasauridaeIndeterminateAust"Three partial specimens."PachystropheusSeveral partial postcranial skeletonsA small thalattosaurian marine reptile, youngest known thalattosaurLissodusL. minimusA hybodont sharkSaurichthysA pike or gar-like predatory fishSargodonA dapediiform fishGyrolepisA ray-finned fishBirgeriaA large predatory fishCeratodusA lungfish

See also List of dinosaur-bearing rock formations

References