[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 Squaliolus Smith & Radcliffe, 1912 [monotypic] Squaliolus laticaudusᵀ Smith & Radcliffe, 1912 - spined pigmy shark