Cephalopoda - Ammonitida - Protetragonitidae
Parent taxon: Lytoceratina according to K. Tongtherm et al. 2016
See also Arkadiev et al. 2000 and Wright 1952
Sister taxa: Acanthoceratoidea, Aspidoceratoidea, Deshayesitoidea, Desmoceratoidea, Engonoceratoidea, Eoderoceratoidea, Hammatoceratoidea, Hildoceratoidea, Hoplitoidea, Lytoceratoidea, Oppeliaceae, Perisphinctaceae, Perisphinctoidea, Psiloceratoidea, Pulchelliaceae, Sphaeroceratoidea, Spiroceratoidea, Stephanoceratoidea, Crioceratitaceae, Tetragonitoidea, Nannolytoceratidae, Hamitaceae
Subtaxa: Protetragonites
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Austria (8 collections), Azerbaijan (1), Canada (3: British Columbia), the Czech Republic (2), the Dominican Republic (1), France (15), Georgia (1), Hungary (6), Italy (4), Madagascar (3), Morocco (1), Mozambique (1), Poland (4), Serbia and Montenegro (12), Spain (28), Ukraine (6), Western Sahara (1)
• Jurassic of Germany (1), Hungary (1), Italy (5)
• Triassic of Thailand (1)
Total: 105 collections including 116 occurrences