Cephalopoda - Ammonitida

Full reference: L. F. Spath. 1934. Ammonoidea of the Gault. Part XI. Paleontographical Society, London 86 (1932)(390):443-496

Parent taxon: Acanthocerataceae according to W. J. Kennedy et al. 1998

Sister taxa: Acanthoceratidae, Coilopoceratidae, Collignoniceratidae, Flickiidae, Forbesiceratidae, Leymeriellidae, Libycoceratidae, Lyelliceratidae, Prolyelliceratidae, Pseudotissotiidae, Sphenodiscidae, Vascoceratidae

Subtaxa: Brancoceratinae, Mojsisovicziinae, Mortoniceratinae

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Type: Brancoceratinae

Ecology: fast-moving nektonic carnivore