Pachyrhizodus is an extinct genus of ray-finned fish that lived during the Cretaceous to Paleocene in what is now Europe, North America, South America, and Oceania. Many species are known, primarily from the Cretaceous of England and the midwestern United States.
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厚根齿鱼属（学名：Pachyrhizodus）是一类已灭绝的辐鳍鱼，生活在白垩纪晚期的北美洲西部内陆海道和南美洲哥伦比亚，模式种为P.basalis。1997年，描述了发现于哥伦比亚的（英語：P.etayoi），种名来自于哥伦比亚著名地质学家和古生物学家。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).