IODP SEDIS - Thesaurus -

Maestrichtian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Senonian
	......Maestrichtian
NT	lower Maestrichtian
	upper Maestrichtian
UF	Maastrichtian
RT	Rosario Formation
	Roca Formation
SN	Europe. Above Campanian, below Danian (Tertiary).