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The Paleozoic reefs preserved an extraordinary diversity of early marine life.
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The Paleozoic reefs preserved an extraordinary diversity of early marine life.
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Related words
Paleozoic
Adjective
Japanese Meaning
古生代：地質学において、約5.42億年前から2.5億年前にかけての時代を指し、カンブリア紀、オルドビス紀、シルリア紀、デボン紀、石炭紀、およびペルム紀が含まれる。
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