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発送可能時期：在庫あり |
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| カンブリア紀 2?16cm えらひき動物 U字型の穴を掘って海底に潜む獰猛な肉食動物 獲物は丸呑み 共食いもしたらしい。 The Cambrian 2 to 16cm long They were stem-group priapulid worms. They lived in a U-shaped burrow, active predators and swallowed their preys. Cannibalism was evidenced. >>詳細を見る | |||
