IODP SEDIS - Thesaurus -

Mohnian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Neogene
	....Miocene
	.....Mohnian
RT	middle Miocene
	upper Miocene
SN	North America. Miocene, above Luisian and below Delmontian. Added to Thesaurus in 1985.