[Neoselachii] Compagno, 1977 - modern sharks and rays see Cohort Neoselachii Compagno, 1977 Order Carcharhiniformes Compagno, 1973 - ground sharks Family Leptochariidae Gray, 1851 [monotypic] - barbeled houndsharks 1 Genus Leptocharias Smith, 1838 [monotypic]