[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 Apristurus Garman, 1913 Apristurus longicephalus Nakaya, 1975 - longhead catshark