Meanings
- geographyAn age from 850 to 542 million years ago, a subdivision of the Neoproterozoic.
Cite this entry
Hadrynian. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Hadrynian
“Hadrynian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Hadrynian. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Hadrynian,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Hadrynian.
Source: Hadrynian on Wiktionary, CC BY-SA 4.0.