Phanerozoic
adjective
- geological eon spanning from 538.8 million years ago to the present time
Wiktionary
adj
Etymology: From Ancient Greek φανερός (phanerós, “visible”) + ζωή (zōḗ, “life”) + -ic.
- Of or relating to the Phanerozoic eon.
name
Etymology: From Ancient Greek φανερός (phanerós, “visible”) + ζωή (zōḗ, “life”) + -ic.
- A geologic eon from about 538.8 million years ago to the present.