phanerozoic : Idioms & Phrases


phanerozoic aeon

  • noun the period from about 5,400 million years ago until the present
    Phanerozoic; Phanerozoic aeon.
WordNet

phanerozoic eon

  • noun the period from about 5,400 million years ago until the present
    Phanerozoic; Phanerozoic aeon.
WordNet