[Neoselachii] Compagno, 1977 - modern sharks and rays see Cohort Neoselachii Compagno, 1977 Order Squaliformes Compagno, 1973 - dogfish sharks Family Squalidae Blainville, 1816 - dogfish sharks Genus Aculeola de Buen, 1959 [monotypic] Aculeola nigraᵀ De Buen, 1959 - hooktooth dogfish