Locality	Layer
	Mexico, Tamaulipas, El Naranjal	not recognized
	Peru, Amotape Mts., Pariñas Quebrada	Carboniferous,late
	USA, New Mexico, San Miguel Co., Rowe, Pecos River	Magdalena Fm.
	USA, Texas, Culberson Co., Sierra Diabolo, Marble Canyon intrusion	Smithwick Shale,Magdalena Fm.
	USA, Texas, Floyd Co., Cow Creek	Smithwick Shale
	USA, Texas, Hudspeth Co., Marble Canyon, 0.25 ml N of	Smithwick Shale
	USA, Texas, McCulloch Co., Rochelle, 3.5 mls E of	Smithwick Shale
	USA, Texas, San Saba Co., Algerita, 4.5 mls SW of	Smithwick Shale
	USA, Texas, San Saba Co., Algerita, 4.5mls SE of Richlands Springs	Smithwick Shale
	USA, Texas, San Saba Co., Bend, 1 ml SW of	Smithwick Shale
	USA, Texas, San Saba Co., Cherokee Creek	Smithwick Shale
	USA, Texas, San Saba Co., Colorado River, 0.75 mile SE of Bend	Smithwick Shale
	USA, Texas, San Saba Co., Wallace Creek	Smithwick Shale
	USA, Texas,Central, Co. unrecogn., unrecognized	Smithwick Fm.,Bend Gr., late Atokan