Definition of preoterozoic
"Preoterozoic" is probably misspelled. Trying Proterozoic instead Definition of Proterozoic
1. proterozoic [ a ] (geology) formed in the later of two divisions of the Precambrian era
Examples:
"proterozoic life forms"
2. Proterozoic [ n ] from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms
Synonyms Preoterozoic_era proterozoic_aeon proterozoic_eon Proterozoic Related Terms eon era PrecambrianSimilar Spelling
Proterozoicproterozoic_eon
prodromic
Proterochampsa