| Class Chondrichthyes Huxley, 1880 |
| Subclass Elasmobranchii Bonaparte, 1838 |
| Order †Hybodontiformes Patterson, 1966 |
| Family †Acrodontidae Casier, 1959 |
| Genus †StrophodusAgassiz, 1838 |
| Type species †Strophodus longidensAgassiz, 1838 |
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