Parent taxon: Ammonitida according to L. S. Marin et al. 2023
See also Aguirre-Urreta 1986, Aguirre-Urreta and Klinger 1986, Alsen 2006, Arkadiev et al. 2000, Cooper 1978, El Qot 2018, Förster 1975, Frau et al. 2016, Futakami and Haggart 2016, Henderson 1990, Kennedy 1984, Kennedy 1986, Kennedy 1995, Kennedy 1995, Kennedy 2005, Kennedy and Cobban 1990, Kennedy and Cobban 1993, Kennedy and Cobban 1997, Kennedy et al. 1997, Kennedy et al. 1997, Kennedy et al. 1998, Kennedy et al. 1981, Kennedy et al. 1992, Kennedy et al. 2000, Kennedy and Simmons 1991, Kennedy and Summesberger 1999, Klinger and Kennedy 1992, Klinger and Kennedy 1993, Landman et al. 2007, Summesberger 1979, Summesberger 1980, Summesberger 1992, Ward and Kennedy 1993, Wild and Stilwell 2016 and Wright et al. 1996
Sister taxa: Ammonites, Ammonitina, Ancylocerina, Benetticeras, Cardiocerina, Dudresnayiceras, Haplocerina, Paraceltites bowdeni, Psilocerina, Sinuiceratidae, Stephanocerina, Steueroceras
Subtaxa: Ancyloceratoidea Douvilleiceratoidea Scaphitoidea Turrilitoidea
Ecology: fast-moving nektonic carnivore