Padron:Kuwaternaryo graphical timeline

Talababa

  1. Cohen, K. M.; Finney, S. C.; Gibbard, P. L.; Fan, J.-X. (Enero 2020). "International Chronostratigraphic Chart" (PDF). International Commission on Stratigraphy. Nakuha noong 23 Pebrero 2020.{{cite web}}: CS1 maint: date auto-translated (link)
  2. Mike Walker; atbp. (Disyembre 2018). "Formal ratification of the subdivision of the Holocene Series/Epoch (Quaternary System/Period)" (PDF). Episodes. Subcommission on Quaternary Stratigraphy (SQS). 41 (4): 213–223. doi:10.18814/epiiugs/2018/018016. Nakuha noong 11 Nobyembre 2019.{{cite journal}}: CS1 maint: date auto-translated (link)