[Neoselachii] Compagno, 1977 - modern sharks and rays see Cohort Neoselachii Compagno, 1977
   Order Carcharhiniformes Compagno, 1973 - ground sharks
     Family Triakidae Gray, 1851 - houndsharks
       Genus Triakis Müller & Henle, 1838
         1 Triakis acutipinna Kato, 1968 - sharpfin houndshark
         2 Triakis maculata Kner & Steindachner, 1866 - smooth hound
         3 Triakis megalopterus (Smith, 1849) - sharptooth houndshark
         4 Triakis scyllium Müller & Henle, 1839 - banded houndshark
         5 Triakis semifasciata Girard, 1854 - leopard shark