Last Updated:2025/11/20

(geology) Of a geologic era within the Phanerozoic eon that comprises the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian periods from about 542 to 250 million years ago, from the age of trilobites to that of reptiles.

音声機能が動作しない場合はこちらをご確認ください
See correct answer

Paleozoic

Edit Histories(0)

Dictionary quizzes to help you remember vocabulary

Edit Histories(0)

Login / Sign up

 

Download the app!
DiQt

DiQt

Free

★★★★★★★★★★