Taxon
	Choctawites choctawensis*
	Choctawites kentuckiensis
	Eosyngastrioceras hesperium*
	Eumorphoceras bisulcatum+*
	Glaphyrites nevadensis
	Glaphyrites scotti
	Richardsonites richardsonianus+*
	Stenoglaphyrites colubrellus
	Stenoglaphyrites merriami