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Noun, No-adjective
1. Phanerozoic
Wikipedia definition
2. PhanerozoicThe Phanerozoic (Brit. Phanærozoic) is the current geologic eon in the geologic timescale, and the one during which abundant animal life has existed. It covers roughly 542 million years and goes back to the time when diverse hard-shelled animals first appeared. Its name derives from the Greek words φανερός and ζωή, meaning visible life, since it was once believed that life began in the Cambrian, the first period of this eon.
Read “Phanerozoic” on English Wikipedia
Read “顕生代” on Japanese Wikipedia
Read “Phanerozoic” on DBpedia

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