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Heteronectes : ウィキペディア英語版 | Heteronectes
''Heteronectes chaneti'' is a fossil fish which has been identified as an early relative of the flatfish, and as a transitional fossil. In a typical modern flatfish, the head is asymmetric with both eyes on one side of the head. In ''Heteronectes'', the transition from the typical symmetric head of a vertebrate is incomplete, with one eye positioned near the top of the head, very similar, but less so than its Italian relative, ''Amphistium''. ''Heteronectes'' is found in the early to middle Eocene of France. ==References==
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「Heteronectes」の詳細全文を読む
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