IODP SEDIS - Thesaurus -

Turonian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Turonian
NT	lower Turonian
RT	Middle Cretaceous
SN	Europe. Above Cenomanian, below Coniacian.