FusispiraSubulitesCyrtospiraLeptoptygmaLabridensPrecerithiopsisIschnoptygmaOxyspiraBalbiniconchaAuriptygmaIanthinopsisActenoninaHormotomaBulimorphaGlobozygaSoleniscusStrobeusCylindritopsisMeekospiraGirtyspiraCeraunocochlisGlobobulimorphaImoglobaHemizygaPseurozgyopleuraOrthonemaCerithioidesOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Nutzel_etal_2000a