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Proterozoic — synonyms, definition

1. Proterozoic (Adjective)

1 definition

Proterozoic (Adjective) — (geology) formed in the later of two divisions of the Precambrian era. ex. "proterozoic life forms"

2. Proterozoic (Noun)

2 synonyms
Proterozoic aeon Proterozoic eon
1 definition

Proterozoic (Noun) — From 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms.

2 types of
aeon eon
4 parts of
Precambrian Precambrian aeon Precambrian eon Precambrian period