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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Scolosaurus ： ウィキペディア英語版 Scolosaurus ''Scolosaurus'' is an extinct genus of ankylosaurid dinosaurs within the subfamily Ankylosaurinae. It is known from either the lower levels of the Dinosaur Park Formation or upper levels of the Oldman Formation (the location of the type specimen's quarry is uncertain) in the Late Cretaceous (latest middle Campanian stage, about 76.5 Ma ago) of Alberta, Canada. It contains a single species, ''Scolosaurus cutleri''. It is the oldest known North American anklylosaurid. ==Discovery== ''Scolosaurus'' was named by Franz Nopcsa von Felső-Szilvás in 1928, based on holotype NHMUK R.5161, a nearly complete specimen that preserves the entire skeleton except for the distal end of the tail, the right forelimb, the right hindlimb, and the skull. The rare preservation of osteoderms and skin impression are also present. The fossil skeleton was discovered by William Edmund Cutler of the Royal Tyrrell Museum of Palaeontology in 1914 at Quarry 80 of the Deadlodge Canyon locality.〔 It was collected from the bottom of the Dinosaur Park Formation in fine-grained sandstone and fine-grained claystone sediments that were deposited during the Campanian stage of the Late Cretaceous period, approximately 76.5 million years ago. This makes it the oldest known North American ankylosaurid. The holotype specimen is housed in the collection of Natural History Museum, London in London, England. In 2013, Arbour and Currie reassigned specimen MOR 433, upon which the genus ''Oohktokia'' was based, to ''Scolosaurus''. This specimen consists of a partial skull, both humeri, a caudal vertebra and several osteoderms and was recovered in the Upper Member of the Two Medicine Formation, in Montana, which has been dated at approximately 74 million years. The remains were collected in 1986-1987 in grey siltstone that was deposited during the Campanian stage of the Cretaceous period.〔 The specimen is housed in the collection of the Museum of the Rockies in Bozeman, Montana. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Scolosaurus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.