Locality	Layer
	USA, Arkansas, Boone Co., Harrison, Gaither Mountain	Brentwood Lst.
	USA, Arkansas, Newton Co., Harrison, Compton	Bloyd Shale, Brentwood Lst.
	USA, Arkansas, Washington Co., Fayetteville, East Mountain	Bloyd Shale, Brentwood Lst.
	USA, Arkansas, Washington Co., Winslow, Cold Spring, Cove Creek	Bloyd Shale, Brentwood Lst.
	USA, Arkansas, Washington Co., Winslow, Lee Creek, Devil's Den	Brentwood Mb.,up.lmst.