Fishes
   Class Elasmobranchii Bonaparte, 1838 see Infraclass Elasmobranchii Bonaparte, 1838
     Order Carchariniformes Compagno, 1973 see Order Carcharhiniformes Compagno, 1973
       Family Proscylliidae Fowler, 1941 - finback catsharks
         1 Genus Calliscyllium Tanaka, 1912
         2 Genus Ctenacis Compagno, 1973
         3 Genus Eridacnis Smith, 1913
         4 Genus Gollum Compagno, 1973
         5 Genus Neotriakis Smith, 1957
         6 Genus Proscyllium Hilgendorf, 1904