英语词汇“archaeopteris”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	archaeopteris
释义	DictionarySeeprogymnosperm Archaeopteris Archaeopteris [‚ärk·ē′äp·tə·rəs] (paleobotany) A genus of fossil plants in the order Archaeopteridales; used sometimes as an index fossil of the Upper Devonian.
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Archaeopteris