Cephalopoda - Belemnitida - Bayanoteuthidae
Parent taxon: Belemnitida according to A. Galácz 2026
Sister taxa: Arcobelus, Aulacoteuthis, Belemnella, Belemnellocamax, Belemnitina, Belemnitina, Belemnocamax, Belemnopseina, Belemnotheutididina, Belemnotheutina, Belospirula, Brachybelus, Brevibelus, Coeloteuthis, Conobelus, Eobelemnites, Fusiteuthis, Gastrobelus, Gonioteuthis, Holcobelus, Homaloteuthis, Lenobelus, Mesoteuthis, Neobelemnella, Oxyteuthis, Pachybelemnopseina, Pachyduvalia, Pachyteuthis, Parahastites, Parahibolites, Patagonibelus, Peratobelus, Praeoxyteuthis, Pseudodicoelites, Raphibelus, Rhopaloteuthis, Sachsibelus, Simobelus, Simpsonibelus, Sinobelemnitidae, Somalibelus, Volgobelus, Youngibelus
Subtaxa: Bayanoteuthis
Ecology: fast-moving nektonic carnivore
Distribution: found only at Dudar (Eocene to Eocene of Hungary)