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, Tetragonitoidea, Crioceratitaceae, Nannolytoceratidae, Hamitaceae
Subtaxa: Protetragonites
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Austria (8 collections), Azerbaijan (1), Canada (3: British Columbia), Czechia (1), the Dominican Republic (1), France (15), Georgia (1), Hungary (6), Italy (4), Madagascar (3), Morocco (6), Mozambique (1), Poland (4), Serbia (12), Slovakia (1), Spain (28), Türkiye (4), Ukraine (6), Western Sahara (1)
• Jurassic of Germany (1), Hungary (1), Italy (5)
• Triassic of Thailand (1)
Total: 114 collections including 125 occurrences