What is the definition of Paleozoic era? | Dictionary.net

PALEOZOIC ERA

\pˌe͡ɪliːə͡ʊzˈə͡ʊɪk ˈi͡əɹə], \pˌe‍ɪliːə‍ʊzˈə‍ʊɪk ˈi‍əɹə], \p_ˌeɪ_l_iː__əʊ_z_ˈəʊ_ɪ_k ˈiə_ɹ_ə]\

Definitions of PALEOZOIC ERA

2011 - English Dictionary Database
2006 - WordNet 3.0

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from 230 million to about 544 million years ago

2011 - English Dictionary Database
By DataStellar Co., Ltd

from 544 million to about 230 million years ago

2006 - WordNet 3.0
By Princeton University

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