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Thesaurus

Lower Triassic
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Triassic
	....Lower Triassic
NT	Indunian
	Olenekian
	Bunter
	Dinwoody Formation
	Panchet Series
	Permian-Triassic boundary
	Scythian
	Serebryanka Formation
	Smithian
	Spathian
	Thaynes Formation
	Werfenian
RT	Middle Triassic
	Upper Triassic
	Hercynian Orogeny
	Cordevolian
	Goose Egg Formation
	Ivishak Formation
	Sadlerochit Group