(Heterohelix_globulosa,(Chiloguembelina_waipanensis,(Chiloguembelina_crinita,((Chiloguembelina_taurica,(Chiloguembelina_morsei,((Woodringina_hornerstownensis,(Guembelitria_danica,(Guembelitria_irregularis,(Guembelitria_cretacea,Guembelitria_trifolia)))),(Woodringina_kelleri,(Woodringina_claytonensis,Woodringina_cf_kelleri))))),(Chiloguembelina_waiparensis,Chiloguembelina_midwayenensis)))));