Last Updated：2025/11/30
Sentence
古生物学者たちは、オルドビス紀の石灰岩から保存状態の良いルゴサ目のサンゴ化石をいくつか発見しました。
Quizzes for review
Paleontologists discovered several well-preserved rugosans in the Ordovician limestone.
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Paleontologists discovered several well-preserved rugosans in the Ordovician limestone.
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Related words
rugosans
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