†order Tornoceratida Wedekind 1918 (ammonite)
Parent taxon: Ammonoidea according to T. B. Leonova 2002
Sister taxa: Aequiloboidea, Agoniatitida, Ammonitida, Aptychus, Ceratitida, Clymeniida, Cornaptychus, Ellipsolithes, Epimayites, Eubranoceras, Farbesiceras, Forbescieras, Globites, Gomimonomeroceras, Goniatitida, Laevaptychus, Laevicornaptychus, Lenticeratidae, Lilinthiceras, Lytoceratida, Lytocerida, Medlicottiida, Orbulites, Pelagus, Phylloceratida, Phylloceratitida, Phyllocerida, Planulites, Praeglyphioceratida, Prolecanitida, Pronoritida, Proplanulitidae, Psiloceratida, Ptychoceratoidea, Punctaptychus, Rugaptychus, Sidetes, Spinaptychus, Tornocerida, Trachyceratina, Tropitoidea, Yokoyamaceras
Subtaxa: Agathiceratina Pseudohaloritina
Ecology: fast-moving nektonic carnivore