"[Pisces]"
   Class Actinopterygii Woodward, 1891 - ray-finned fishes
     Order Notacanthiformes Goodrich, 1909 - spiny eels
       1 Family Halosauridae Günther, 1868 - halosaurs
       2 Family Notacanthidae Rafinesque, 1815 - spiny eels
       2.1 Family Lipogenyidae see Family Notacanthidae Rafinesque, 1815