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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 Preprismatoolithus ： ウィキペディア英語版 Preprismatoolithus ''Preprismatoolithus'' is a Late Jurassic oogenus. The species ''P. coloradensis'' is described by John Foster as being "of the prismatic basic type,"〔 with subspherical eggs about 10 cm (4 inches) in diameter.〔"Eggs," Foster (2007) page 125.〕 This oospecies has been initially attributed to "hypsilophodontid" dinosaurs, although a lack of associated embryo material currently makes confirming the egg-layer's identity impossible.,〔"Another Generation: The Eggs," Foster (2007) page 239.〕 but now is known to be theropod after the finding in Portugal,〔Ribeiro, V., Mateus O., Holwerda F., Araújo R., & Castanhinha R. (2013). Two new theropod egg sites from the Late Jurassic Lourinhã Formation, Portugal. Historical Biology. (ahead-of-print), 1-12.〕 associated with the embryos. Eggshell present in great abundance at the so-called "Young Egg Locality" which seems to have been a dinosaur nesting ground.〔 Congeneric eggshell fossils are found at additional Colorado sites including the Fruita Paleontological Area, the Uravan Locality and Garden Park.〔 ==See also== * Dinosaurs of the Morrison Formation 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「Preprismatoolithus」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.