[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
       Order Cyprinodontiformes Berg, 1940 - killifishes
         Family Cyprinodontidae Gill, 1865 - pupfishes
           1 Genus Aphanius Nardo, 1827