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†family Protetragonitidae Spath 1927 (ammonite)

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, Haploceratoidea, Hildoceratoidea, Hoplitoidea, Lytoceratoidea, Oppeliaceae, Perisphinctaceae, Perisphinctoidea, Psiloceratoidea, Pulchelliaceae, Sphaeroceratoidea, Spiroceratoidea, Stephanoceratoidea, Hamitaceae, Nannolytoceratidae, Crioceratitaceae, Tetragonitoidea

Subtaxa: Protetragonites

View classification

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

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