WordNet: Proterozoic, Proterozoic aeon, Proterozoic eon

from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

• instance hypernym aeon, eon

• part holonym Precambrian, Precambrian aeon, Precambrian eon, Precambrian period

Proterozoic

• (englanti) proterozoic (derivationally related)
• (suomi) proterotsooinen kausi (synonyymi)

Proterozoic aeon

• (suomi) proterotsooinen aioni (synonyymi)

Proterozoic eon

• (suomi) proterotsooinen ajanjakso (synonyymi)