Locality	Layer
	USA, Kansas, Chautauqua Co., Peru,1.4 km west of	Little Pawnee Shale above Haskell
	USA, Oklahoma, Seminole Co., Sasakwa, OKM-15	Coffeyville Fm.,basal Tacket shale
	USA, Oklahoma, Seminole Co., Sasakwa, OKM-16	Coffeyville Fm., basal Tacket shale bed