Proterozoic
"Proterozoic" in et
aguaegkond
(eon 2,500-541 Ma)
agueoon
(eon 2,500-541 Ma)
proterosoikum
(eon 2,500-541 Ma)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.