Locality	Layer
	Canada, NW Territor.+Arctic Islands, Ellesmere Island, Hare Fiord, GSC C20561	Atokan
	Canada, NW Territor.+Arctic Islands, Ellesmere Island, Krieger Mts., GSC 4083	early Atokan
	USA, Oklahoma, Coal Co., Clarita, Barnett Hill	Atoka Fm.
	USA, Oregon, Crook Co., Upper Mills Ranch inlier	Atokan