Ancyloceratoidea

Ancyloceratoidea Temporal range: Cretaceous
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Suborder:	†Ancyloceratina
Superfamily:	†Ancyloceratoidea Hyatt, 1900
Families
Acrioceratidae Ancyloceratidae Bochianitidae Crioceratitidae Hamulinidae Hemihoplitidae Heteroceratidae Himantoceratidae Labeceratidae Leptoceratoididae Macroschaphitidae Ptychoceratidae

Ancyloceratoidea, formerly Ancylocerataceae, is a superfamily of typically uncoiled and loosely coiled heteromorph ammonoids established by Alpheus Hyatt in 1900, that may contain as many as 11 families, depending on the classification accepted.