[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 Asymbolus Whitley, 1939 Asymbolus vincenti (Zeitz, 1908) - Gulf catshark