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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 Materpiscis ： ウィキペディア英語版 Materpiscis ''Materpiscis'' (Latin for ''mother fish'') is a genus of ptyctodontid placoderm (a class of extinct, superficially shark-like armored fishes) from the Late Devonian located at the Gogo Formation of Western Australia. Known from only one specimen, it is unique in having an unborn embryo present inside ''Materpiscis'', and with remarkable preservation of a mineralised placental feeding structure (umbilical cord). This makes ''Materpiscis'' the oldest known vertebrate to show viviparity, or giving birth to live young. ==Etymology== The species was named ''Materpiscis attenboroughi'' in honour of David Attenborough who first drew attention to the significance of the Gogo fish sites in his 1979 series ''Life on Earth''.〔(BBC News: Fossil reveals oldest live birth )〕 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「Materpiscis」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.