Last Updated：2025/12/03
Sentence
クテナカンティス属の絶滅した魚の化石になった鰭は、古代サメの予想外の多様性を示していた。
Quizzes for review
The fossilized fin of a ctenacanthid hinted at an unexpected diversity of ancient sharks.
See correct answer
The fossilized fin of a ctenacanthid hinted at an unexpected diversity of ancient sharks.
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