[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]
         1 Aculeola nigraᵀ De Buen, 1959 - hooktooth dogfish