[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
         Family Pleuronectidae Rafinesque, 1815 - righteye flounders
           1 Genus Glyptocephalus Gottsche, 1835
           2 Genus Hippoglossoides Gottsche, 1835
           3 Genus Hippoglossus Cuvier, 1816 - halibut
           4 Genus Limanda Gottsche, 1835
           5 Genus Microstomus Gottsche, 1835
           6 Genus Platichthys Girard, 1854
           7 Genus Pleuronectes Linnaeus, 1758
           8 Genus Reinhardtius Gill, 1861