Synonym: Anarcestida Miller and Furnish 1954
Parent taxon: Ammonoidea according to C. Ubelacker et al. 2016
See also Korn 2006, Korn and Klug 2002, Leonova 2002, Sepkoski 2002 and Shevyrev 2006
Sister taxa: Aequiloboidea, 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, Tornoceratida, Tornocerida, Trachyceratina, Tropitoidea, Yokoyamaceras
Subtaxa: Agoniatitina Anarcestina Angastobactrites Auguritina Dilatobactrites Gephuroceratina Gephurocerina Pharciceratina Sinuobactrites Timanoceratina
Ecology: fast-moving nektonic carnivore