[Neoselachii] Compagno, 1977 - modern sharks and rays see Infraclass Elasmobranchii Bonaparte, 1838
   Order Carcharhiniformes Compagno, 1973 - ground sharks
     Family Hemigaleidae Hasse, 1878 - weasel sharks
       Genus Paragaleus Budker, 1935
         1 Paragaleus pectoralis (Garman, 1906) - Atlantic weasel shark
         2 Paragaleus tengi (Chen, 1963) - straight-tooth weasel shark