†superfamily Spiroceratoidea Hyatt 1900 (ammonite)
Alternative spelling: Spirocerataceae
Parent taxon: Ammonitina according to M. R. Majidifard 2015
Sister taxa: Acanthoceratoidea, Aspidoceratoidea, Deshayesitoidea, Desmoceratoidea, Engonoceratoidea, Eoderoceratoidea, Hammatoceratoidea, Haploceratoidea, Hildoceratoidea, Hoplitoidea, Lytoceratoidea, Oppeliaceae, Perisphinctaceae, Perisphinctoidea, Psiloceratoidea, Pulchelliaceae, Sphaeroceratoidea, Stephanoceratoidea, Hamitaceae, Nannolytoceratidae, Crioceratitaceae, Protetragonitidae, Tetragonitoidea
Subtaxa: Spiroceratidae
Type: Spiroceras
Ecology: fast-moving nektonic carnivore
Distribution: