[Neoselachii] Compagno, 1977 - modern sharks and rays see Cohort Neoselachii Compagno, 1977
   Order Carcharhiniformes Compagno, 1973 - ground sharks
     Family Scyliorhinidae Gill, 1862 - cat sharks
       Genus Halaelurus Gill, 1862
         Halaelurus lutarius Springer & D'Aubrey, 1972 - mud catshark see Bythaelurus lutarius (Springer & D'Aubrey, 1972)