[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 Pleuronectiformes Bleeker, 1859 - flatfishes see Suborder Pleuronectoidei
         1 Family Citharidae de Buen, 1935 - largescale flounders
         2 Family Scophthalmidae Chabanaud, 1933 - turbots
         3 Family Bothidae Smitt, 1892 - lefteye flounders
         4 Family Pleuronectidae Rafinesque, 1815 - righteye flounders
         5 Family Soleidae Bonaparte, 1833 - soles
         6 Family Cynoglossidae Jordan, 1888 - tonguefishes