Padron:Neoheno graphical timeline

Talababa

  1. Krijgsman, W.; Garcés, M.; Langereis, C. G.; Daams, R.; Van Dam, J.; Van Der Meulen, A. J.; Agustí, J.; Cabrera, L. (1996). "A new chronology for the middle to late Miocene continental record in Spain". Earth and Planetary Science Letters. 142 (3–4): 367–380. Bibcode:1996E&PSL.142..367K. doi:10.1016/0012-821X(96)00109-4.{{cite journal}}: CS1 maint: date auto-translated (link)
  2. Retallack, G. J. (1997). "Neogene Expansion of the North American Prairie". PALAIOS. 12 (4): 380–390. doi:10.2307/3515337. JSTOR 3515337. Nakuha noong 2008-02-11.{{cite journal}}: CS1 maint: date auto-translated (link)
  3. "ICS Timescale Chart" (PDF). www.stratigraphy.org.