Parent taxon: Ammonoidea according to P. Brack and H. Rieber 2019
See also Fantini Sestini 1994, Fantini Sestini 1996, Krystyn et al. 2019, Kummel 1969, Leonova 2002, Sepkoski 2002, Shevyrev 2006, Tozer 1981, Tozer 1994, Ware and Bucher 2018, Ware and Bucher 2018 and Đaković 2017
Sister taxa: Aequiloboidea, Agoniatitida, Ammonitida, Aptychus, Aulicostephanidae, 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: Anfaceras Arcestina Arcestoidea Arctohungaritidae Bajarunia Caribouceras Carteria Ceratites whitneyi Ceratitiaceae Ceratitina Ceratitoidea Choristoceratoidea Clydonitaceae Coeloceltites Courtilloticeras Cycloceratidae Danubitoidea Dinaritoidea Eschericeratites Glabrites Glabrites involucrus Haidingerites Jeanbesseiceras Larenites Lobitaceae Lobitina Meekocerataceae Meekoceratina Megaphyllitina Megaphyllitoidea Metassuria Nathorstitaceae Noritoidea Obrutchevites Otoceratina Otocerina Owenitidae Paraacrochordiceras Paraceltitina Paraganides Paratibites Pinacoceratoidea Pinacocerina Poporites Proavites Procurvoceratites Proptychitina Protoceras Ptychitaceae Ptychitina Sagecerataceae Stolleites Subacerites Tapponnierites Trachyceratoidea Tropitaceae
Ecology: nektonic carnivore