Nelson, 1994 with some changes


  
| Phylum CHORDATA |
  |Subphylum Vertebrata (Craniata)  |
    | Superclass Agnatha  |
     | Class Myxini  |
                   | Order MYXINIFORMES  |
                    Myxinidae
     | Class Pteraspidomorphi |
     | Class Cephalaspidomorphi |
                   | Order PETROMYZONTIFORMES |
                    Petromyzontidae
    | Superclass Gnathostomata |
     | Grade Placodermiomorphi |
     | Class Placodermi  |
     | Grade Chondrichthiomorphi  |
     | Class Chondrichthyes  |
        | Subclass Holocephali  |
                | Superorder Holocephalimorpha  |
                   | Order CHIMAERIFORMES |
                    Callorhynchidae
                    Chimaeridae
                    Rhinochimaeridae
        | Subclass Elasmobranchii  |
                | Superorder Euselachii (Selachimorpha [Pleurotremata] and Batidoidimorpha)  |
                   | Order HETERODONTIFORMES |
                    Heterodontidae
                   | Order ORECTOLOBIFORMES |
                    Parascylliidae
                    Brachaeluridae
                    Orectolobidae (Crossorhinidae)
                    Hemyscylliidae
                    Ginglymostomatidae
                    Stegostomatidae
                    Rhincodontidae (Rhiniodontidae)
                   | Order CARCHARHINIFORMES |
                    Scyliorhinidae
                    Proscylliidae
                    Pseudotriakidae
                    Leptochariidae
                    Triakidae
                    Hemigaleidae
                    Carcharhinidae (Rhiniodontidae)
                   | Order LAMNIFORMES |
                    Odontaspididae (=Carcharhiidae)
                    Mitsukurinidae (=Scapanorhynchidae)
                    Pseudocarchariidae
                    Megachasmidae
                    Alopiidae
                    Cetorhinidae
                    Lamnidae
                   | Order HEXANCHIFORMES (Notidanoidei) |
                    Chlamydoselachidae
                    Hexanchidae
                   | Order SQUALIFORMES |
                    Echinorhinidae
                    Dalatiidae
                    Centrophoridae
                    Squalidae
                   | Order SQUATINIFORMES |
                    Squatinidae
                   | Order PRISTIOPHORIFORMES |
                    Pristiophoridae
                   | Order RAJIFORMES (Hypotremata) |
                     | Suborder Pristoidei |
                    Pristidae
                     | Suborder Torpedinoidei |
                    Torpedinidae
                    Narcinidae
                     | Suborder Rajoidei |
                    Rhinidae
                    Rhinobatidae
                    Rajidae
                     | Suborder Myliobatoidei |
                    Plesiobatidae
                    Hexatrygonidae
                    Dasyatidae
                    Urolophidae
                    Gymnuridae
                    Myliobatidae
     | Grade Teleostomi  |
       | Class Acanthodii  |
       | Class Sarcopterygii  |
        | Subclass Coelacanthimorpha  |
                   | Order Coelacanthiformes |
                    Coelacanthidae
        | Subclass [Porolepimorpha + Dipnoi]  |
          | Infraclass Porolepimorpha |
          | Infraclass Dipnoi |
                | Superorder Dipterimorpha |
                | Superorder Ceratodontimorpha |
                   | Order Ceratodontiformes  |
                    Ceratodontidae
                   | Order Lepidosireniformes  |
                    Lepidosirenidae
                    Protopteridae
        | Subclass Rhizodontimorpha  |
        | Subclass Osteolepimorpha  |
        | Subclass Tetrapoda  |
       | Class Actinopterigii  |
        | Subclass Chondrostei |
                   | Order Polypteriformes |
                    Polypteridae
                   | Order Acipenseriformes |
                    Acipenseridae
                    Polyodontidae
        | Subclass Neopterygii |
                   | Order Semionotiformes |
                    Lepisosteidae
                   | Order Amiiformes |
                    Amiidae
           | Division TELEOSTEI |
            | Subdivision Osteoglossomorpha |
                   | Order Osteoglossiformes |
                     | Suborder Osteoglossoidei |
                    Osteoglossidae
                    Pantodontidae
                     | Suborder Notopteroidei |
                    Hiodontidae
                    Notopteridae
                    Mormyridae
                    Gymnarchidae
            | Subdivision Elopomorpha |
                   | Order Elopiformes |
                    Elopidae
                    Megalopidae
                   | Order Albuliformes |
                     | Suborder Albuloidei |
                    Albulidae
                     | Suborder Notacanthoidei |
                    Halosauridae
                    Notacanthidae
                   | Order Anguilliformes |
                     | Suborder Anguilloidei |
                    Anguillidae
                    Heterenchelyidae
                    Moringuidae
                     | Suborder Muraenoidei |
                    Chlopsidae
                    Myrocongridae
                    Muraenidae
                     | Suborder Congroidei |
                    Synaphobranchidae
                    Ophichthidae
                    Colocongridae
                    Derichthyidae
                    Muraenesocidae
                    Nemichthyidae
                    Congridae
                    Nettastomatidae
                    Serrivomeridae
                   | Order Saccopharyngiformes |
                     | Suborder Cyematoidei |
                    Cyematidae
                     | Suborder Saccopharyngoidei |
                    Saccopharyngidae
                    Eurypharyngidae
                    Monognathidae
            | Subdivision Clupeomorpha |
                   | Order Clupeiformes |
                     | Suborder Denticipitoidei |
                    Denticipitidae
                     | Suborder Clupeoidei |
                    Engraulidae
                    Pristigasteridae
                    Chirocentridae
                    Clupeidae
            | Subdivision Euteleostei |
                | Superorder Ostariophysi |
                   | Order Gonorhynchiformes |
                     | Suborder Chanoidei |
                    Chanidae
                     | Suborder Gonorhynchoidei |
                    Gonorhynchidae
                     | Suborder Knerioidei |
                    Kneriidae
                    Phractolaemidae
                   | Order Cypriniformes |
                    Cyprinidae
                    Gyrinocheilidae
                    Catostomidae
                    Cobitidae
                   | Order Characiformes |
                    Citharinidae
                    Hemiodontidae
                    Curimatidae
                    Anostomidae
                    Erythrinidae
                    Lebiasinidae
                    Ctenoluciidae
                    Hepsetidae
                    Gasteropelecidae
                    Characidae
                   | Order Siluriformes |
                    Diplomystidae
                    Ictaluridae
                    Bagridae
                    Olyridae
                    Cranoglanididae
                    Siluridae
                    Schilbeidae
                    Pangasiidae
                    Amphiliidae
                    Sisoridae
                    Amblycipitidae
                    Akysidae
                    Parakysidae
                    Chacidae
                    Clariidae
                    Heteropneustidae
                    Malapteruridae
                    Ariidae
                    Plotosidae
                    Mochokidae
                    Doradidae
                    Ageneiosidae
                    Auchenipteridae
                    Pimelodidae
                    Cetopsidae
                    Helogeneidae
                    Hypophthalmidae
                    Aspredinidae
                    Nematogenyidae
                    Trichomycteridae
                    Callichthyidae
                    Scoloplacidae
                    Loricariidae
                    Astroblepidae
                   | Order Gymnotiformes |
                     | Suborder Sternopygoidei |
                    Sternopygidae
                    Rhamphichthyidae
                    Hypopomidae
                    Apteronotidae
                     | Suborder Gymnotoidei |
                    Gymnotidae
                    Electrophoridae
                | Superorder Protacanthopterygii |
                   | Order Esociformes |
                    Esocidae
                    Umbridae
                   | Order Osmeriformes |
                     | Suborder Argentinoidei |
                    Argentinidae
                    Microstomatidae
                    Bathylagidae
                    Opisthoproctidae
                    Leptochilichthyidae
                    Alepocephalidae
                    Platytroctidae
                     | Suborder Osmeroidei |
                    Osmeridae
                    Salangidae
                    Sundasalangidae
                    Retropinnidae
                    Lepidogalaxiidae
                    Galaxiidae
                   | Order Salmoniformes |
                    Coregonidae
                    Thymallidae
                    Salmonidae
               | Superorder Stenopterygii |
                   | Order Stomiiformes |
                     | Suborder Gonostomatoidei |
                    Gonostomatidae
                    Sternoptychidae
                     | Suborder Photichthyoidei |
                    Photichthyidae
                    Stomiidae
                   | Order Ateleopodiformes |
                    Ateleopodidae
                | Superorder Cyclosquamata |
                   | Order Aulopiformes |
                     | Suborder Giganturoidei |
                    Giganturidae
                     | Suborder Aulopoidei |
                    Aulopodidae
                     | Suborder Chlorophthalmoidei |
                    Chlorophthalmidae
                    Ipnopidae
                    Scopelarchidae
                    Notosudidae
                     | Suborder Alepisauroidei |
                    Synodontidae
                    Pseudotrichonotidae
                    Paralepididae
                    Anotopteridae
                    Evermannellidae
                    Omosudidae
                    Alepisauridae
                | Superorder Scopelomorpha |
                   | Order Myctophiformes |
                    Neoscopelidae
                    Myctophidae
                | Superorder Lampridiomorpha |
                   | Order Lampridiformes |
                    Veliferidae
                    Lamprididae
                    Stylephoridae
                    Lophotidae
                    Radiicephalidae
                    Trachipteridae
                    Regalecidae
                | Superorder Polymixiomorpha |
                   | Order Polymixiiformes |
                    Polymixiidae
                | Superorder Paracanthopterygii |
                   | Order Percopsiformes |
                     | Suborder Percopsoidei |
                    Percopsidae
                     | Suborder Aphredoderoidei |
                    Aphredoderidae
                    Amblyopsidae
                   | Order Ophidiiformes |
                     | Suborder Ophidioidei |
                    Carapidae
                    Ophidiidae
                     | Suborder Bythitoidei |
                    Bythitidae
                    Aphyonidae
                    Parabrotulidae
                   | Order Gadiformes |
                    Ranicipitidae
                    Euclichthyidae
                    Macrouridae
                    Steindachneriidae
                    Moridae
                    Melanonidae
                    Macruronidae
                    Bregmacerotidae
                    Muraenolepididae
                    Phycidae
                    Merlucciidae
                    Gadidae
                   | Order Batrachoidiformes  |
                    Batrachoididae
                   | Order Lophiiformes |
                     | Suborder Lophioidei |
                    Lophiidae
                     | Suborder Antennarioidei |
                    Antennariidae
                    Brachionichthyidae
                     | Suborder Ogcocephalioidei |
                    Chaunacidae
                    Ogcocephalidae
                    Caulophrynidae
                    Neoceratiidae
                    Melanocetidae
                    Himantolophidae
                    Diceratiidae
                    Oneirodidae
                    Thaumatichthyidae
                    Centrophrynidae
                    Ceratiidae
                    Gigantactinidae
                    Linophrynidae
                | Superorder Acanthopterygii |
                | Series Mugilomorpha |
                   | Order Mugiliformes |
                    Mugilidae
                | Series Atherinomorpha |
                   | Order Atheriniformes |
                     | Suborder Bedotioidei |
                    Bedotiidae
                     | Suborder Melanotaenioidei |
                    Melanotaeniidae
                    Pseudomugilidae
                     | Suborder Atherinoidei |
                    Atherinidae
                    Notocheiridae
                    Telmatherinidae
                    Dentatherinidae
                    Phallostethidae
                   | Order Beloniformes |
                     | Suborder Adrianichthyoidei |
                    Adrianichthyidae
                     | Suborder Belonoidei |
                    Belonidae
                    Scomberesocidae
                    Exocoetidae
                    Hemiramphidae
                   | Order Cyprinodontiformes |
                     | Suborder Aplocheiloidei |
                    Aplocheilidae
                     | Suborder Cyprinodontoidei |
                    Profundulidae
                    Fundulidae
                    Valenciidae
                    Anablepidae
                    Poeciliidae
                    Goodeidae
                    Cyprinodontidae
                | Series Percomorpha |
                   | Order Stephanoberyciformes |
                    Melamphaidae
                    Gibberichthyidae
                    Stephanoberycidae
                    Hispidoberycidae
                    Rondeletiidae
                    Barbourisiidae
                    Cetomimidae
                    Mirapinnidae
                    Megalomycteridae
                   | Order Beryciformes |
                     | Suborder Trachichthyoidei |
                    Anoplogastridae
                    Diretmidae
                    Anomalopidae
                    Monocentridae
                    Trachichthyidae
                     | Suborder Berycoidei |
                    Berycidae
                     | Suborder Holocentroidei |
                    Holocentridae
                   | Order Zeiformes |
                     | Suborder Zeioidei |
                    Parazenidae
                    Macrurocyttidae
                    Zeidae
                    Oreosomatidae
                    Grammicolepididae
                     | Suborder Caproidei |
                    Caproidae
                   | Order Gasterosteiformes |
                     | Suborder Gasterosteoidei |
                    Hypoptychidae
                    Aulorhynchidae
                    Gasterosteidae
                     | Suborder Syngnathoidei |
                    Pegasidae
                    Solenostomidae
                    Syngnathidae
                    Indostomidae
                    Aulostomidae
                    Fistulariidae
                    Macroramphosidae
                    Centriscidae
                   | Order Synbranchiformes |
                     | Suborder Synbranchoidei |
                    Synbranchidae
                     | Suborder Mastacembeloidei |
                    Chaudhuriidae
                    Mastacembelidae
                   | Order Scorpaeniformes |
                     | Suborder Dactylopteroidei |
                    Dactylopteridae
                     | Suborder Scorpaenoidei |
                    Scorpaenidae
                    Caracanthidae
                    Aploactinidae
                    Pataecidae
                    Gnathanacanthidae
                    Congiopodidae
                    Triglidae
                     | Suborder Platycephaloidei |
                    Bembridae
                    Platycephalidae
                    Hoplichthyidae
                     | Suborder Anoplopomatoidei |
                    Anoplopomatidae
                     | Suborder Hexagrammoidei |
                    Hexagrammidae
                     | Suborder Normanichthyiodei |
                    Normanichthyidae
                     | Suborder Cottoidei |
                    Rhamphocottidae
                    Ereuniidae
                    Cottidae
                    Comephoridae
                    Abyssocottidae
                    Hemitripteridae
                    Agonidae
                    Psychrolutidae
                    Bathylutichthyidae
                    Cyclopteridae
                    Liparidae
                   | Order Perciformes |
                     | Suborder Percoidei |
                    Centropomidae
                    Chandidae
                    Moronidae
                    Percichthyidae
                    Acropomatidae
                    Serranidae
                    Ostracoberycidae
                    Callanthiidae
                    Pseudochromidae
                    Grammatidae
                    Plesiopidae
                    Notograptidae
                    Opistognathidae
                    Dinopercidae
                    Banjosidae
                    Centrarchidae
                    Percidae
                    Priacanthidae
                    Apogonidae
                    Epigonidae
                    Sillaginidae
                    Malacanthidae
                    Lactariidae
                    Dinolestidae
                    Pomatomidae
                    Nematistiidae
                    Echeneidae
                    Rachycentridae
                    Coryphaenidae
                    Carangidae
                    Menidae
                    Leiognathidae
                    Bramidae
                    Caristiidae
                    Emmelichthyidae
                    Lutjanidae
                    Lobotidae
                    Gerreidae
                    Haemulidae
                    Inermiidae
                    Sparidae
                    Centracanthidae
                    Lethrinidae
                    Nemipteridae
                    Polynemidae
                    Sciaenidae
                    Mullidae
                    Pempheridae
                    Glaucosomatidae
                    Leptobramidae
                    Bathyclupeidae
                    Monodactylidae
                    Toxotidae
                    Coracinidae
                    Drepanidae
                    Chaetodontidae
                    Pomacanthidae
                    Enoplosidae
                    Pentacerotidae
                    Nandidae
                    Kyphosidae
                    Arripidae
                    Teraponidae
                    Kuhliidae
                    Opiegnathidae
                    Cirrhitidae
                    Chironemidae
                    Aplodactylidae
                    Cheilodactylidae
                    Latridae
                    Cepolidae
                     | Suborder Elassomatoidei
                    Elassomatidae
                     | Suborder Labroidei
                    Cichlidae
                    Embiotocidae
                    Pomacentridae
                    Labridae
                    Odacidae
                    Scaridae
                     | Suborder Zoarcoidei
                    Bathymasteridae
                    Zoarcidae
                    Stichaeidae
                    Cryptacanthodidae
                    Pholidae
                    Anarhichadidae
                    Ptilichthyidae
                    Zaproridae
                    Scytalinidae
                     | Suborder Notothenioidei |
                    Bovichthyidae
                    Nototheniidae
                    Harpagiferidae
                    Bathydraconidae
                    Channichthyidae
                    Подотряд Trachinoidei |
                    Chiasmodontidae
                    Champsodontidae
                    Pholidichthyidae
                    Trichodontidae
                    Pinguipedidae
                    Cheimarrhichthyidae
                    Trichonotidae
                    Creediidae
                    Percophidae
                    Leptoscopidae
                    Ammodytidae
                    Trachinidae
                    Uranoscopidae
                     | Suborder Blennioidei |
                    Tripterygiidae
                    Dactyloscopidae
                    Labrisomidae
                    Clinidae
                    Chaenopsidae
                    Blenniidae
                     | Suborder Icosteoidei |
                    Icosteidae
                     | Suborder Gobiesocoidei |
                    Gobiesocidae
                     | Suborder Callionymoidei |
                    Callionymidae
                    Draconettidae
                     | Suborder Gobioidei |
                    Rhyacichthyidae
                    Odontobutidae
                    Eleotridae
                    Gobiidae
                    Kraemeriidae
                    Xenisthmidae
                    Microdesmidae
                    Schindleriidae
                     | Suborder Kurtoidei |
                    Kurtidae
                     | Suborder Acanthuroidei |
                    Ephippidae
                    Scatophagidae
                    Siganidae
                    Luvaridae
                    Zanclidae
                    Acanthuridae
                     | Suborder Scombrolabracoidei |
                    Scombrolabracidae
                     | Suborder Scombroidei |
                    Sphyraenidae
                    Gempylidae
                    Trichiuridae
                    Scombridae
                    Xiphiidae
                     | Suborder Stromateoidei |
                    Amarsipidae
                    Centrolophidae
                    Nomeidae
                    Ariommatidae
                    Tetragonuridae
                    Stromateidae
                     | Suborder Anabantoidei |
                    Luciocephalidae
                    Anabantidae
                    Helostomatidae
                    Belontiidae
                    Osphronemidae
                     | Suborder Channoidei |
                    Channidae
                   | Order Pleuronectiformes |
                     | Suborder Psettodoidei |
                    Psettodidae
                     | Suborder Pleuronectoidei |
                    Citharidae
                    Bothidae
                    Achiropsettidae
                    Scophthalmidae
                    Paralichthyidae
                    Pleuronectidae
                    Samaridae
                    Achiridae
                    Soleidae
                    Cynoglossidae
                   | Order Tetraodontiformes |
                     | Suborder Triacanthoidei |
                    Triacanthodidae
                    Triacanthidae
                     | Suborder Tetraodontoidei |
                    Balistidae
                    Monacanthidae
                    Ostraciidae
                    Triodontidae
                    Tetraodontidae
                    Diodontidae
                    Molidae