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单词 Apterygotous
释义

Apterygotous

英语百科

Apterygota

The name Apterygota is sometimes applied to a subclass of small, agile insects, distinguished from other insects by their lack of wings in the present and in their evolutionary history. Their first known occurrence in the fossil record is during the Devonian period, 417–354 million years ago.

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更新时间:2025/6/22 7:00:13