Parent taxon: Ammonoidea according to F. Tatzreiter 1981
Sister taxa: Aequiloboidea, Agoniatitida, Ammonites hercules, Ammonites ludovicus, Ammonitida, Aptychus, Aulicostephanidae, Ceratitida, Clymeniida, Cornaptychus, Egrabensiceras, 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, Tropitoidea, Yokoyamaceras
Subtaxa: none
Ecology: fast-moving nektonic carnivore
Distribution: there are no occurrences of Trachyceratina in the database