PhanerozoicyoudaoicibaDictYouDict[Phanerozoic 词源字典]
"Relating to or denoting the aeon covering the whole of time since the beginning of the Cambrian period, and comprising the Palaeozoic, Mesozoic, and Cenozoic eras", Late 19th century: from Greek phaneros 'visible, evident' + zōion 'animal' + -ic.[Phanerozoic etymology, Phanerozoic origin, 英语词源]