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单词 Microdictyon
释义

Microdictyon

英汉-汉英词典
小网藻属
词组 | 习惯用语
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  • microeconomic adj. 微观经济的
  • microsecond n. 微秒
  • microinstruction n. 微指令

网络短语:
Microdictyon 微网虫; 小网藻属;
英语百科

Microdictyon

Microdictyon is an extinct "armored worm" coated with net-like scleritic scales, known from the Early Cambrian Maotianshan shale of Yunnan China. Microdictyon is sometimes included in a somewhat ill-defined Phylum Lobopodia that includes several other odd worm-like and segmented free-swimming animals that do not appear to be arthropods or worms. The phylum includes Microdictyon, Onychodictyon, Cardiodictyon, Luolishania, Paucipodia, as well as the Anomalocaridids. The isolated sclerites of Microdictyon are known from other Lower Cambrian deposits. Microdictyon sclerites appear to have moulted; one sclerite seems to have been preserved during ecdysis.

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