†superfamily Petalodontoidea Hay 1902 (shark)
Full reference: O. P. Hay. 1902. Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179:1-868
Parent taxon: Squali according to O. P. Hay 1902
Sister taxon: Squaloidea
Subtaxa: none
Type: Petalodus
Ecology: nektonic carnivore
Distribution: there are no occurrences of Petalodontoidea in the database