15126931-n 'from 544 million to about 230 million years ago';
 
Chinese (simplified) 古生代
英語 Paleozoic , Paleozoic era
Indonesian Paleozoikum , zaman paleozoic
日本語 古生代
Definitions
日本語
6億年前から2億3千万年前まで
英語
from 544 million to about 230 million years ago
Relations
Type: era
Meronym–Part: ordovician carboniferous permian silurian devonian cambrian
Semantic Field: timen
External Links

Langs:
Seen Lemmas: stirrup-shaped;
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Maintainer: Francis Bond <bond@ieee.org>