IODP SEDIS - Thesaurus -

Senonian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Senonian
NT	Campanian
	Coniacian
	Futaba Group
	Izumi Group
	Maestrichtian
	Santonian
SN	Europe. Above Turonian, below Danian.