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発送可能時期：在庫あり |
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| オルドビス紀最大 最も強力な捕食者としてこの時代に君臨 オウムガイの祖先といわれる直角貝の一種 深海 北アメリカ The Ordovician Over 10m One of the largest animals being an apex predator lived during this period. They were considered to be the ancestor to Nautilus. A genus of giant cephalopod lived in deeper water. North America >>詳細を見る | |||
