IODP SEDIS - Thesaurus -

Santonian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Santonian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Senonian
	......Santonian
SN	Europe. Above Coniacian, below Campanian.