†family Intoceratidae Kusina 1971 (ammonite)
Cephalopoda - Goniatitida - Intoceratidae
Parent taxon: Pericycloidea according to W. M. Furnish et al. 2009
See also Korn 2006
Sister taxa: Furnishoceratidae, Kozhimitidae, Maxigoniatitidae, Muensteroceratidae, Pericyclidae, Rotopericyclidae, Sudeticeratidae, Temertassetiidae
Subtaxa: Aquilonites Intoceras Oxintoceras Quasintoceras
Ecology: fast-moving nektonic carnivore
Distribution: found only at SPbGU 5740 (St. Petersburg State University, Russia) (Carboniferous of Russian Federation)