IODP SEDIS - Thesaurus -

Tortonian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Neogene
	....Miocene
	.....Tortonian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Neogene
	....Miocene
	.....upper Miocene
	......Tortonian
RT	Chinji Formation
	Helvetian
SN	Europe.