Meanings
- geographyAn age from 1600 to 850 million years ago, a subdivision of the Proterozoic.
Cite this entry
Helikian. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Helikian
“Helikian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Helikian. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “Helikian,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Helikian.
Source: Helikian on Wiktionary, CC BY-SA 4.0.