Type	Name
	Family	Anuitidae (Qualifier: fy)
	Family	Aulacogastrioceratidae (Qualifier: fy)
	Family	Eothinitidae (Qualifier: fy)
	Family	Eupleuroceratidae
	Family	Metalegoceratidae
	Family	Neoicoceratidae
	Family	Paragastrioceratidae
	Family	Paralegoceratidae
	Family	Pericycloceratidae (Qualifier: fy)
	Family	Pseudogastrioceratidae
	Family	Spirolegoceratidae (Qualifier: fy)