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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 Fish egg fossil ： ウィキペディア英語版 Fish egg fossil Fish egg fossils are the fossilized remains of fish eggs. Fossil fish eggs have an extensive record going at least as far back as the Devonian and spanning into the Cenozoic era. Many different fish taxa's eggs have contributed to this record including lobe-finned fish, placoderms, and sharks. Occasionally eggs are preserved still within the mother's body or associated with fossil embryos. Some fossil eggs possibly laid by fish cannot be confidently distinguished from those laid by amphibians, for example the ichnogenus ''Mazonova'' is known from impressions of eggs which resemble eggs of both fish and amphibians. Paleontologist B.K. Hall has observed that the discovery of fossil fish eggs, embryos and larvae link the sciences of paleontology with evo-devo.〔 ==Fish taxa known from egg fossils== 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「Fish egg fossil」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.