Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
   Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891
     [stem] †Paleoniscomorpha [polyphyletic]
       Genus †Lineagruan Mickle, Lund & Grogan, 2009, incertae sedis
         1 †Lineagruan judithi Mickle, Lund & Grogan, 2009
         2 †Lineagruan snowyi Mickle, Lund & Grogan, 2009