Locality	Layer
	USA, Indiana, Brown County, unrecorded	Gaptank Fm., near top
	USA, Texas, Brewster Co., Arnold's Ranch, 1.75 mls S of	Gaptank Fm., upper part
	USA, Texas, Brewster Co., Glass Mountain Ranch, TXMAR V2	Gaptank Fm., Limestone Mb. (bed H)
	USA, Texas, Brewster Co., Lenox, 4.5 mls ESE of	Gaptank Fm., upper part (?)
	USA, Texas, Brewster Co., Leonard Mountain, TX MAR V3	Gaptank Fm., Uddenites Shale Mb.
	USA, Texas, Brewster Co., Marathon, 4 mls W of	Gaptank Fm., upper part
	USA, Texas, Brewster Co., Wolf Camp, 5 mls NE of, Glass Mts.	Gaptank Fm., near top
	USA, Texas, Brewster Co., Wolf Camp, NW of, Glass Mts.	Gaptank Fm., near top