Taxon
	Asiacyclus asiaticus aff. (Qualifier: af)
	Asiacyclus asiaticus semiinvolutus
	Asiacyclus asiaticus simplex
	Asiacyclus asiaticus+
	Asiacyclus clanensis
	Asiacyclus dichotomus
	Asiacyclus leesoni
	Asiacyclus toisaiganensis
	Asiacyclus toisaigensis constrictus
	Asiacyclus? sokurensis
	Asiacyclus? sp. (Qualifier: of)
	Bouhamedites enigmaticus+
	Bouhamedites insalahensis
	Caenocyclus perisphinctoides+
	Goniocycloides ochakensis+
	Goniocyclus ammari
	Goniocyclus antelopensis
	Goniocyclus blairi+
	Goniocyclus cooperi
	Goniocyclus costulatus
	Goniocyclus decipiens
	Goniocyclus dilatatus
	Goniocyclus dombarovensis
	Goniocyclus elatrous
	Goniocyclus filaris
	Goniocyclus hannibalensis
	Goniocyclus pulcher (Qualifier: sn)
	Goniocyclus rockymontanus
	Goniocyclus sp. (Qualifier: in)
	Goniocyclus subtilis
	Goniocyclus vodorezovi
	Nodopericyclus asiaticus
	Nodopericyclus circumnodosus
	Nodopericyclus deficerus
	Orthocyclus raricostatus+
	Orthocyclus worki
	Parahammatocyclus chaigleyensis+
	Parahammatocyclus mutaris (Qualifier: -)
	Parasiacyclus chatkalicus (Qualifier: -)
	Pericyclus circulus
	Pericyclus divisus
	Pericyclus foordi
	Pericyclus intersisus
	Pericyclus latumbilicatus
	Pericyclus mercatorius
	Pericyclus princeps+
	Pericyclus ryckholti
	Pericyclus sp. (Qualifier: in)
	Pericyclus tortuosus (Qualifier: -)
	Pericyclus trapezoidalis
	Pericyclus trochus
	Pericyclus? plicatilis
	Pericyclus? sp. (Qualifier: in)
	Polaricyclus ballardensis
	Polaricyclus bordenensis
	Polaricyclus canadensis
	Polaricyclus conkini
	Polaricyclus minimus
	Polaricyclus polaris aff. (Qualifier: af)
	Polaricyclus polaris+
	Polaricyclus rileyi
	Rhiphaeocyclus mutabilis+
	gen.nov.A Matthews 1970 sp. (Qualifier: of)
	gen.nov.B Matthews 1970 sp. (Qualifier: of)