[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
       01 Order Acipenseriformes Berg, 1940 - sturgeons
       02 Order Elopiformes Gosline, 1960 - tenpounders
       03 Order Notacanthiformes Goodrich, 1909 - spiny eels
       04 Order Anguilliformes Rafinesque, 1810 - eels
       05 Order Saccopharyngiformes - sackpharynx fishes see Suborder Saccopharyngoidei
       06 Order Clupeiformes Rafinesque, 1810 - herrings
       07 Order Osmeriformes - freshwater smelts see Suborder Osmeroidei
       08 Order Salmoniformes Rafinesque, 1810 - trouts
       09 Order Stomiiformes Rosen, 1973 - dragonfishes see Order Stomiatiformes Rosen, 1973, orth. inval.
       10 Order Ateleopodiformes Berg, 1937 - jellynose fishes
       11 Order Aulopiformes Rosen, 1973 - lizardfishes
       12 Order Myctophiformes Regan, 1911 - lanternfishes
       13 Order Lampriformes - opahs see Order Lampridiformes Goodrich, 1909, orth. inval.
       14 Order Polymixiiformes Lowe, 1838 - beardfishes
       15 Order Gadiformes Rafinesque, 1810 - cods
       16 Order Ophidiiformes Rafinesque, 1810 - cusk-eels
       17 Order Batrachoidiformes Berg, 1937 - toadfishes
       18 Order Lophiiformes Rafinesque, 1810 - anglerfishes
       19 Order Gobiesociformes Gill, 1872
       20 Order Atheriniformes Rosen, 1964 - silversides
       21 Order Cyprinodontiformes Berg, 1940 - killifishes
       22 Order Beloniformes Berg, 1937 - needlefishes
       23 Order Stephanoberyciformes Berg, 1937 - pricklefishes
       24 Order Beryciformes Günther, 1880 - alfonso squirrelfishes
       25 Order Cetomimiformes see Superfamily Cetomimoidea
       26 Order Zeiformes Rafinesque, 1810 - dories
       27 Order Gasterosteiformes Gill, 1872 - sticklebacks
       28 Order Syngnathiformes Berg, 1940 see Suborder Syngnathoidei
       29 Order Syngnathiiformes Bailly, Eschmeyer, Froese, Quéro, van der Land, Costello, Zavodnik, Serrão Santos & Mora Porteiro, 2001, orth. inval. see Order Syngnathiformes Berg, 1940
       30 Order Scorpaeniformes Bloch, 1789 - mail-cheeked fishes
       31 Order Perciformes Rafinesque, 1810 - perches
       32 Order Pleuronectiformes Bleeker, 1859 - flatfishes
       33 Order Tetraodontiformes Berg, 1937 - plectognaths