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Woodbury Formation : ウィキペディア英語版 | Woodbury Formation
The Woodbury Formation is a Mesozoic geologic formation. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.〔Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.〕 Using radio isotope dating of bivalve shells, the formation has been dated to between 80.5 and 78.5 million years ago.〔Gallagher, W.B. (2005). "(Recent mosasaur discoveries from New Jersey and Delaware, USA: stratigraphy, taphonomy and implications for mosasaur extinction. )" ''Netherlands Journal of Geosciences'', 84(3): 241.〕 ==See also==
* List of dinosaur-bearing rock formations * * List of stratigraphic units with few dinosaur genera
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