Proterozoicum[1] est aeon et aeonothema quod abhinc circa 2 500 milliones annorum coepit et abhinc 542 milliones annorum finem habuit.
Notae
Bibliographia
Nexus externi
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
