Class Actinopterygii Woodward, 1891 - ray-finned fishes
   Subclass Neopterygii Regan, 1923
     Infraclass Teleostei Müller, 1845
       Supercohort Teleocephala de Pinna, 1996
         Clupeocephala
           Cohort Euteleosteomorpha (Greenwood et al., 1966)
             Subcohort Neoteleostei Nelson, 1969
               Infracohort Eurypterygia (Rosen, 1973)
                 Section Aulopa Wiley & Johnson, 2010
                   Order Aulopiformes Rosen, 1973 - lizardfishes
                     Suborder Synodontoidei
                       Family Synodontidae Gill, 1861 - lizard fishes
                         Genus Harpadon Lesueur, 1825