15128200-n 'from 425 million to 405 million years ago';
 
Czech silur
Chinese (simplified) 希留利 亚纪 时期 , 志 留人 的 , 志留 文化 的 , 希留利亚纪时期 , 志留人的 , 志留文化的
English Silurian , Silurian period
Indonesian periode silurian , Silur
Italian siluriano
Japanese シルル紀
Malaysian Zaman Silures
Definitions
English
from 425 million to 405 million years ago
first air-breathing animals
Japanese
4億2500万年前から4億500万年前まで
最初の空気呼吸動物
Relations
Type: period
Holonym–Part: paleozoic
Semantic Field: timen
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Maintainer: Francis Bond <bond@ieee.org>