“Paleozoic evolutionary fauna”的概念、定义、翻译、参考文献-科学参考

单词	Paleozoic evolutionary fauna
释义	Paleozoic evolutionary fauna Encyclopedia 理学古生物学释 Paleozoic evolutionary fauna古生代演化动物群全球古生代海洋动物的总称，在寒武纪晚期寒武纪演化动物群出现衰退时开始出现雏形，奥陶纪生物大辐射构建了其基本框架，并实现其早期演化，在奥陶纪末在海洋生态系统中实现对寒武纪演化动物群的全面替代，成为海洋动物世界的霸主，并持续近3亿年一直到二叠纪末。
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