Last Updated：2025/11/29
The paleontologist noted several pneumaticities in the fossilized vertebrae, indicating extensive air sac development.
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The paleontologist noted several pneumaticities in the fossilized vertebrae, indicating extensive air sac development.
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古生物学者は化石化した椎骨にいくつかの空洞化の特徴を認め、それが気嚢の発達を示していた。
