Locality	Layer
	China, Xinjiang,Tian-Shan,N., Shuangjingzi, Tamugang	lower part of upper Carboniferous
	Thailand, North Thailand, Ban Sup, Loei area	Wang Saphung Fa.,shale
	USA, California, San Bernardino Co., Sheep Spring, SE Kelso	Bird Spring Fm.
	USA, Ohio, Mahoning Co., Turkey Broth Creek, in vicinity of mouth	Pottsville group, Lower Mercer unit