Alternative spellings: Hoplitaceae, Hoplitaceaea
Parent taxon: Ammonitina according to W. J. Kennedy 2018
See also Aly et al. 2008, Cecca 1997, Cooper 1978, Cooper and Kennedy 1979, El Qot 2018, Förster 1975, Kennedy 1984, Kennedy 1995, Kennedy 2005, Kennedy et al. 1997, Kennedy et al. 1998, Kennedy and Gale 2016, Kennedy et al. 1981, Kennedy et al. 1992, Kennedy et al. 2008, Kennedy et al. 2008, Kennedy and Latil 2007, Kennedy and Simmons 1991, Kennedy and Summesberger 1999, Klinger and Kennedy 1989, Mosavinia et al. 2014, Nagy 1970, Robert et al. 2018, Sharifi et al. 2016, Shigeta 2016, Summesberger 1979, Szives 2007, Tajika et al. 2018, Wiedmann 1978, Wright 1952 and Wright et al. 1996
Sister taxa: Acanthoceratoidea, Aspidoceratoidea, Deshayesitoidea, Desmoceratoidea, Engonoceratoidea, Eoderoceratoidea, Hammatoceratoidea, Haploceratoidea, Hildoceratoidea, Lytoceratoidea, Oppeliaceae, Perisphinctaceae, Perisphinctoidea, Psiloceratoidea, Pulchelliaceae, Sphaeroceratoidea, Spiroceratoidea, Stephanoceratoidea, Hamitaceae, Nannolytoceratidae, Crioceratitaceae, Protetragonitidae, Tetragonitoidea
Subtaxa: Engonoceratidae Forbesiceridae Hoplitidae Placenticeratidae Schloenbachiidae
Type: Hoplites
Ecology: fast-moving nektonic carnivore