Chondrichthyes - Petalodontiformes - Petalodontidae

Full reference: L. Agassiz. 1838. Recherches Sur Les Poissons Fossiles. Tome III (livr. 11). Imprimérie de Petitpierre, Neuchatel 73-140

Parent taxon: Petalodontidae according to M. Ginter et al. 2010

Sister taxa: Antliodus, Glossodus, Glyphanodus, Harpacodus, Itapyrodus, Lisgodus, Neopetalodus, Petalodus, Polyrhizodus, Tanaodus

Subtaxa: Chomatodus cinctus, Chomatodus denticulatus, Chomatodus oliquus, Chomatodus truncatus

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Ecology: nektonic carnivore