Last Updated：2025/12/03
A fossilized horn coral was found embedded in the shale, shedding light on Ordovician reef ecosystems.
See correct answer
A fossilized horn coral was found embedded in the shale, shedding light on Ordovician reef ecosystems.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
