PBDB Interval Range

264.28 - 256.8 Ma

International Chronostratigraphic Timescale			Permian of the Russian Platform
Permian	Lopingian	Changhsingian			251.902
		Wuchiapingian			254.14
		Wuchiapingian	Tatarian	Vyatkian	256.8 *
	Guadalupian	Capitanian		Severodvinian	259.51
		Wordian		Urzhumian	264.28
		Roadian	Kazanian	Povolzhian	266.9
		Roadian	Kazanian	Sokian	270.7 *
	Cisuralian	Kungurian	Kungurian	Irenian/Ufimian	273.01
				Filipovian	276.5 *
				Saraninian	280.1 *
		Artinskian	Artinskian	Sarginian	283.5
				Irginian	285.9 *
				Burtsevian	287.8 *
		Sakmarian	Sakmarian	Sterlitamakian	290.1
		Sakmarian	Sakmarian	Tastubian	291.7 *
		Asselian	Asselian	Shikhanian	293.52
				Uskalykian	294.8
				Surenian	297.5
					298.9