[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
       Order Anguilliformes Berg, 1943 - eels
         Family Muraenidae Rafinesque, 1815 - moray eels
           Genus Gymnothorax Bloch, 1795
             1 Gymnothorax maderensis (Johnson, 1862) - sharktooth moray
             2 Gymnothorax polygonius Poey, 1875 - polygon moray
             3 Gymnothorax unicolor (Delaroche, 1809) - brown moray
             4 Gymnothorax vicinus (Castelnau, 1855) - purplemouth moray