Locality	Layer
	Kazakhstan, South Urals, Aktyubinskaya Obl.,Aqtöbe, Akshat River	Moscovian
	Spain, Palencia, Peña Abismo	Westphalian D
	USA, Ohio, Mahoning Co., Green Township	Allegheny group, Putnam Hill unit
	USA, Ohio, Mahoning Co., Putnam Hill, Canfield Twp., Leb Coal Co.	Allegheny group, Putnam Hill Member
	USA, Ohio, Mahoning Co., Smith Township	Allegheny group, Putnam Hill unit
	USA, Ohio, Tuscarawas Co., Dover Township	Allegheny group, Putnam Hill-Vanport ?
	USA, Ohio, Tuscarawas Co., York Township	Allegheny group, Putnam Hill
	USA, Texas, Wise Co., Bridgeport West, TXM-43	Graford Fm., low. Wolf Mountain Shale