Locality	Layer
		Chainman Sh., up.pt Jensen Mb.
		Chainman Sh., up.pt. Jensen Mb.
		Chainman Shale
		Chainman Shale, Eu.rotuliformis BZ
		Chainman Shale, Jensen Mb.
		Chainman Shale, upper part
		Eumorphoceras girtyi BZ
		Jensen Mb., Eu. rotuliforme BZ