Yunnanocephalus is a genus of ptychopariid trilobite. It lived during the late Atdabanian and Botomian stages, in what are currently Antarctica, Australia and China. It was a "moderately common" member of the Chengjiang Fauna.
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雲南頭蟲屬（學名：Yunnanocephalus），為三葉蟲的一屬，化石發現於中國、澳洲及南極等地（在中國澄江尤其常見），體長約 2 至 4 公分。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).