Taxon
	Gonioglyphioceras gracile+
	Gonioloboceras goniolobum+
	Gonioloboceras welleri
	Metaperrinites subcumminsi
	Parashumardites fornicatus
	Perrinites hilli*
	Properrinites boesei*
	Properrinites cumminsi
	Properrinites plummeri (Qualifier: sy)
	Shumardites simondsi+