[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
       Order Squatiniformes Buen, 1926 - angel sharks
         Family Squatinidae Blainville, 1816 - angel sharks
           1 Genus Squatina Duméril, 1805