[Neoselachii] Compagno, 1977 - modern sharks and rays see Cohort Neoselachii Compagno, 1977
   Order Carcharhiniformes Compagno, 1973 - ground sharks
     Family Scyliorhinidae Gill, 1862 - cat sharks
       01 Genus Apristurus Garman, 1913
       02 Genus Asymbolus Whitley, 1939
       03 Genus Atelomycterus Garman, 1913
       04 Genus Aulohalaelurus Fowler, 1934 [monotypic]
       05 Genus Cephaloscyllium Gill, 1861
       06 Genus Cephalurus Bigelow & Schroeder, 1941 [monotypic]
       07 Genus Galeus Rafinesque, 1810
       08 Genus Halaelurus Gill, 1862
       09 Genus Haploblepharus Garman, 1913 - shysharks
       10 Genus Holohalaelurus Fowler, 1934
       11 Genus Parmaturus Garman, 1906
       12 Genus Pentanchus Smith & Radcliffe, 1912 [monotypic]
       13 Genus Poroderma Smith, 1838 - barbelled catsharks
       14 Genus Schroederichthys Springer, 1966
       15 Genus Scyliorhinus Blainville, 1816