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pygostyle
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pygostyle
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理学
鸟纲(化石)
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pygostyle
尾综骨类
一类数量很大、具有同一祖先,且具有愈合的尾综骨的鸟类群。包括朝阳会鸟(Sapeornis chaoyangensis)、圣贤孔子鸟(Confuciusornis sanctus)和所有现代鸟类,但不包括原始热河鸟(Jeholornis prima)的最广义的单系类群。
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cosmological horizon
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更新时间:2025/12/31 9:22:54