Locality	Layer
	Algeria, Bechar region, Sud-Oranais, Bechar, SE of	Oued El Hamar Fm.
	Russian Federation, South Urals,Bashkortostan, Askyn R., Solontsy	lower Diaboloceras-Axinolubus zone sample 11/20
	Spain, León, Cármenes	Westphalian A
	USA, Arkansas, Van Buren Co., Clinton, 5 mls SE of	Trace Creek Shale or lower Winslow Fm.
	USA, Arkansas, Washington Co., Sulphur Creek, 4.5 mls SW of	Kessler Lst.
	USA, Arkansas, Washington Co., Woolsey, 2 mls W of	Trace Creek Member
	USA, Ohio, Mahoning Co., Turkey Broth Creek, in vicinity of mouth	Pottsville group, Lower Mercer unit
	USA, Ohio, Muskingum Co., Jefferson Township	Pottsville group, Lower Mercer unit