Precambrian Period — synonyms, definition
1. Precambrian period (Noun)
3 synonyms
Precambrian Precambrian aeon Precambrian eon
1 definition
Precambrian period (Noun) — The eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago.
2 types of
aeon eon
11 parts
Archaean Archaeozoic Archaeozoic aeon Archean Archean aeon Archean eon Archeozoic Archeozoic eon Proterozoic Proterozoic aeon Proterozoic eon