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初期の四肢動物はオタマジャクシ段階を経なかった マゾンクリーク化石鉱脈から産出した、エンボロメア孵化直後の標本、外鰓（エラ）などの幼生特有の器官が全くなく、成体と同じ頭骨 変態をしない直接発生 論文 www.science.org/doi/10.1126/... ニュース www.fieldmuseum.org/about/press/...
Modern amphibians are characterized by an aquatic larval stage that ends abruptly with a period of widespread tissue remodeling (metamorphosis) upon transition to terrestrial adulthood. A transient la...
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Direct development of stem tetrapods across the fin-to-limb transition
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