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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 Cratochelone ： ウィキペディア英語版 Cratochelone ''Cratochelone'' is an extinct genus of sea turtle in the family Protostegidae and containing a single species ''Cratochelone berneyi''. The species is known only from the mid to late Albian Toolebuc Formation, part of the rolling downs group, in the Hughenden of Central northern Queensland, Australia.〔 ==History and classification== ''Cratochelone berneyi'' is known only from one fossil, the holotype, specimen number "QM F14550". The specimen is composed of a grouping of disassociated post-cranial skeleton elements in a hard, fine-grained and "dirty-stone colored" sedimentary matrix. The bones include portions of the left side plastron, the shoulder girdle, and segments of a forelimb. The fossil is thought to have been recovered by F. L. Berney from outcrops of the Toolebuc Formation exposed in the Eromanga Basin.〔 The type specimen is currently preserved in the paleontology collections housed in the Queensland Museum, in Brisbane, Australia. ''Cratochelone'' was first studied by Herber A. Longman, husband of Irene Longman, of the Queensland Museum. Longman's 1915 type description of the genus and species was published in the ''Memoirs of the Queensland Museum''.〔 The generic name was coined by Longman to be a contradistinction of the related Albian genus ''Notochelone'' also described from Queensland. The specific epithet ''berneyi'' is in honor of F. L. Berney who recovered and donated the specimen to the museum.〔 ''Cratochelone bernedi'' is one of three protostegid sea turtle taxa described from the fossil record of Australia. Described in 1885 ''Notochelone costata'' is the smallest species, while the most recently described species ''Bouliachelys suteri'', is between ''Notochelone'' and ''Cratochelone'' in size.〔 In his type description Longman noted the incomplete nature of the fossil and hoped that more complete specimens would be found.〔 Despite this, the type specimen remains the only known specimen of the species.〔 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「Cratochelone」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.