Locality	Layer
	Australia, Western Australia,Perth Basin, Beckett's Gully	Holmwood Shale
	Australia, Western Australia,Perth Basin, Mingenew area, Irwin river	Holmwood Shale, Beckett Member
	Australia, Western Australia,Perth Basin, Mt. Budd, 3 mls from	Holmwood Shale
	Australia, Western Australia,Perth Basin, Pryder's Lookout, 1 ml NW of	Holmwood Shale