Paleoproterozoic


Pa·le·o·prot·er·o·zo·ic

P5023850 (pā′lē-ō-prŏt′ər-ə-zō′ĭk, -prō′tər-)adj. Of, relating to, or being the oldest of the three eras of the Proterozoic Eon, from approximately 2.5 billion to 1.6 billion years ago, marked by the formation of stable continents and the appearance of cyanobacteria. See Table at geologic time.n. The Paleoproterozoic Era.
Translations