IODP SEDIS - Thesaurus -

Asselian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Permian
	....Cisuralian
	.....Asselian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Permian
	....Lower Permian
	.....Asselian
SN	Europe. Stage. Below Sakmarian. Above Stephanian of Upper Carboniferous.