[Neoselachii] Compagno, 1977 - modern sharks and rays see Infraclass Elasmobranchii Bonaparte, 1838
   Order Carcharhiniformes Compagno, 1973 - ground sharks
     Family Hemigaleidae Hasse, 1878 - weasel sharks
       1 Genus Chaenogaleus Gill, 1862 [monotypic]
       2 Genus Hemigaleus Bleeker, 1852 [monotypic]
       3 Genus Hemipristis Agassiz, 1835 [monotypic]
       4 Genus Paragaleus Budker, 1935