IODP SEDIS - Thesaurus -

Valmeyeran
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Carboniferous
	....Mississippian
	.....Valmeyeran
RT	Lower Mississippian
	Upper Mississippian
	Meramecian
	Osagian
SN	Provincial series, Illinois. Lower and Upper Mississippian. Equivalent to Osagian and Meramecian elsewhere.