| Eschemeyer | Nelson | Zoocat | WAM | Gill |
| Myxinidae(hagfishes) | Myxinidae | Myxinidae | Myxinidae | Myxinidae |
| Petromyzontidae(lampreys) | Petromyzontidae | Petromyzontidae | Petromyzontidae | Petromyzontidae |
| Hexanchidae(cow sharks) | Geotriidae | Callorhinchidae | Hexanchidae | Geotriidae |
| Chlamydoselachidae(frill sharks) | Mordaciidae | Chimaeridae | Chlamydoselachidae | Mordaciidae |
| Heterodontidae(bullhead and horn sharks) | Callorhynchidae | Rhinochimaeridae | Heterodontidae | Callorhynchidae |
| Rhincodontidae(whale sharks) | Chimaeridae | Heterodontidae | Odontaspididae | Chimaeridae |
| Parascylliidae(collared carpet sharks) | Rhinochimaeridae | Odontaspididae | Megachasmidae | Rhinochimaeridae |
| Brachaeluridae(blind sharks) | Heterodontidae | Mitsukurinidae | Mitsukurinidae | Heterodontidae |
| Orectolobidae(wobbegons) | Parascylliidae | Pseudocarcharidae | Pseudocarchariidae | Parascylliidae |
| Hemiscylliidae(bamboo sharks) | Brachaeluridae | Megachasmidae | Lamnidae | Brachaeluridae |
| Stegostomatidae(zebra sharks) | Orectolobidae | Alopiidae | Cetorhinidae | Orectolobidae |
| Ginglymostomatidae(nurse sharks) | Hemiscylliidae | Cetorhinidae | Alopiidae | Hemiscylliidae |
| Odontaspididae(sand tiger sharks) [AMS use Carchariidae] |
Stegostomatidae | Lamnidae | Brachaeluridae | Stegostomatidae |
| Mitsukurinidae(goblin sharks) | Ginglymostomatidae | Scyliorhinidae | Hemiscyllidae | Ginglymostomatidae |
| Pseudocarchariidae(crocodile sharks) | Rhincodontidae | Pseudotriakidae | Parascyllidae | Rhincodontidae |
| Lamnidae(mackerel sharks) | Odontaspididae | Triakidae | Stegastomatidae | Scyliorhinidae |
| Megachasmidae(megamouth sharks) up to here jjj | Mitsukurinidae | Hemigaleidae | Orectolobidae | Proscyllidae |
| Cetorhinidae(basking sharks) | Pseudocarchariidae | Carcharhinidae | Ginglymostomatidae | Pseudotriakidae |
| Alopiidae(thresher sharks) | Megachasmidae | Sphyrnidae | Rhincodontidae | Leptochariidae |
| Scyliorhinidae(cat sharks) | Alopiidae | Parascyllidae | Scyliorhinidae | Triakidae |
| Proscylliidae(finback catsharks) | Cetorhinidae | Brachaeluridae | Pseudotriakidae | Hemigaleidae |
| Pseudotriakidae(false catsharks) | Lamnidae | Orectolobidae | Triakidae | Carcharhinidae |
| Leptochariidae(barbeled houndsharks) | Scyliorhinidae | Hemiscylliidae | Carcharinidae | Odontaspididae |
| Triakidae(houndsharks) | Proscylliidae | Stegostomatidae | Hemigaleidae | Mitsukurinidae |
| Hemigaleidae(weasel sharks) | Pseudotriakidae | Ginglymostomatidae | Sphymidae | Pseudocarchariidae |
| Carcharhinidae(requiem sharks) | Leptochariidae | Rhincodontidae | Squalidae | Megachasmidae |
| Sphyrnidae(hammerhead sharks) | Triakidae | Chlamydoselachidae | Oxynotidae | Alopiidae |
| Dalatiidae | Hemigaleidae | Hexanchidae | Echinorhinidae | Cetorhinidae |
| Centrophoridae | Carcharhinidae | Echinorhinidae | Pristiophoridae | Lamnidae |
| Squalidae(dogfish sharks) | Sphyrnidae | Dalatiidae | Squatinidae | Chlamydoselachidae |
| Echinorhinidae(bramble sharks) | Chlamydoselachidae | Centrophoridae | Pristidae | Hexanchidae |
| Pristiophoridae(saw sharks) | Hexanchidae | Squalidae | Rhynchobatidae | Echinorhinidae |
| Squatinidae(angel sharks) | Echinorhinidae | Squatinidae | Rhinobatidae | Centrophoridae |
| Pristidae(sawfishes) | Squalidae | Pristiophoridae | Torpedinidae | Dalatiidae |
| Torpedinidae(electric rays) | Centrophoridae | Torpedinidae | Narcinidae | Squalidae |
| Narcinidae | Etmopteridae | Narcinidae | Hypnidae | Squatinidae |
| Rhinobatidae(guitarfishes) | Somniosidae | Pristidae | Narkidae | Pristiophoridae |
| Rajidae(skates) | Oxynotidae | Rhinidae | Temeridae | Dasyatidae |
| Anacanthobatidae(smooth skates) | Dalatiidae | Rhinobatidae | Rajidae | Hexatrygonidae |
| Plesiobatidae(deepwater stingrays) | Squatinidae | Rajidae | Pseudorajidae | Hypnidae |
| Hexatrygonidae(sixgill stingrays) | Pristiophoridae | Plesiobatidae | Anacanthobatidae | Narcinidae |
| Dasyatidae(stingrays) | Torpedinidae | Hexatrygonidae | Arhynchobatidae | Narkidae |
| Gymnuridae(butterfly rays) | Narcinidae | Dasyatidae | Dasyatididae | Platyrhinidae |
| Myliobatidae | Pristidae | Urolophidae | Potamotrygonidae | Plesiobatidae |
| Urolophidae(round stingrays) | Rhinidae | Gymnuridae | Gymnuridae | Potamotrygonidae |
| Potamotrygonidae(river stingrays) | Rhynchobatidae | Myliobatidae | Hexatrygonidae | Pristidae |
| Callorhinchidae(plownose chimaeras) | Rhinobatidae | Ceratodontidae | Urolophidae | Rajidae |
| Chimaeridae(shortnose chimaeras or ratfishes) | Rajidae | Osteoglossidae | Myliobatididae | Rhinidae |
| Rhinochimaeridae(longnose chimaeras) | Platyrhinidae | Elopidae | Rhinopteridae | Rhynchobatidae |
| Polypteridae(bichirs) | Zanobatidae | Megalopidae | Mobulidae | Torpedinidae |
| Acipenseridae(sturgeons) | Hexatrygonidae | Albulidae | Chimaeridae | Urolophidae |
| Polyodontidae(paddlefishes) | Plesiobatidae | Halosauridae | Callorhinchidae | Urotrygonidae |
| Lepisosteidae(gars) | Urolophidae | Notacanthidae | Rhinochimaeridae | Zanobatidae |
| Amiidae(bowfins) | Urotrygonidae | Anguillidae | Coelacanthidae | Latimeriidae |
| Osteoglossidae(bonytongues and arapaimas) | Dasyatidae | Moringuidae | Ceratodontidae | Neoceratodontidae |
| Pantodontidae | Potamotrygonidae | Chlopsidae | Lepidosirenidae | Lepidosirenidae |
| Hiodontidae(mooneyes) | Gymnuridae | Muraenidae | Polypteridae | Polypteridae |
| Notopteridae(knifefishes or featherbacks) | Myliobatidae | Synaphobranchidae | Acipenseridae | Acipenseridae |
| Mormyridae(elephantfishes) | Polypteridae | Ophichthidae | Polyodontidae | Polyodontidae |
| Gymnarchidae | Acipenseridae | Colocongridae | Amiidae | Lepisosteidae |
| Elopidae(tenpounders and ladyfishes) | Polyodontidae | Derichthyidae | Lepisosteidae | Amiidae |
| Megalopidae(tarpons) | Lepisosteidae | Muraenesocidae | Elopidae | Hiodontidae |
| Albulidae(bonefishes) | Amiidae | Nemichthyidae | Megalopidae | Mormyridae |
| Halosauridae(halosaurs) | Hiodontidae | Congridae | Albulidae | Gymnarchidae |
| Notacanthidae(spiny eels) [Lipogenyidae incl] | Osteoglossidae | Nettastomatidae | Anguillidae | Notopteridae |
| Anguillidae(freshwater eels) | Notopteridae | Serrivomeridae | Moringuidae | Osteoglossidae |
| Heterenchelyidae | Mormyridae | Cyematidae | Myrocongridae | Elopidae |
| Moringuidae(spaghetti eels) | Gymnarchidae | Saccopharyngidae | Chlopsidae | Megalopidae |
| Chlopsidae(false morays) [=Xenocongridae] | Elopidae | Eurypharyngidae | Muraenidae | Albulidae |
| Myrocongridae | Megalopidae | Engraulidae | Heterenchelyidae | Pterothrissidae |
| Muraenidae(morays) | Albulidae | Pristigasteridae | Synaphobranchidae (no: ) | Halosauridae |
| Synaphobranchidae | Halosauridae | Chirocentridae | Muraenesocidae | Notacanthidae |
| Ophichthidae(snake eels and worm eels) | Notacanthidae | Clupeidae | Neenchelyidae | Anguillidae |
| Colocongridae | Anguillidae | Chanidae | Nettastomatidae | Heterenchylidae |
| Congridae(conger eels) | Heterenchelyidae | Gonorynchidae | Derichthyidae (no: ) | Moringuidae |
| Muraenesocidae(pike conger eels) | Moringuidae | Cyprinidae | Congridae | Chlopsidae |
| Derichthyidae(longneck eels) | Chlopsidae | Cobitidae | Colocongridae | Myrocongridae |
| Nemichthyidae(snipe eels) | Myrocongridae | Ariidae | Ophichthidae | Muraenidae |
| Serrivomeridae(sawtooth eels) | Muraenidae | Plotosidae | Nettodaridae | Nemichthyidae |
| Nettastomatidae(duckbill eels) | Synaphobranchidae | Argentinidae | Synaphobranchidae | Muraenesocidae |
| Cyematidae(bobtail eels) | Ophichthidae | Opisthoproctidae | Synaphobranchidae (no: ) | Synaphobranchidae |
| Saccopharyngidae(swallowers or whiptail gulpers) | Colocongridae | Microstomatidae | Synaphobranchidae (no: ) | Ophichthidae |
| Eurypharyngidae(umbrellamouth gulpers) | Derichthyidae | Bathylaginae | Derichthyidae | Nettastomatidae |
| Monognathidae(monognathids) | Muraenesocidae | Microstomatinae | Macrocephenchelyidae | Colocongridae |
| Denticipitidae(denticle herrings) | Nemichthyidae | Platytroctidae | Serrivomeridae | Congridae |
| Clupeidae [Pristigasteridae incl] | Congridae | Bathylaconidae | Nemichthyidae | Derichthyidae |
| Engraulidae(anchovies) | Nettastomatidae | Alepocephalidae | Cyematidae | Serrivomeridae |
| Chirocentridae(wolf herrings) | Serrivomeridae | Retropinnidae | Saccopharyngidae | Cyematidae |
| Sundasalangidae(Sundaland noodlefishes) | Cyematidae | Galaxiidae | Eurypharyngidae | Saccopharyngidae |
| Chanidae(milkfishes) | Saccopharyngidae | Lepidogalaxiinae | Monognathidae | Eurypharyngidae |
| Gonorynchidae | Eurypharyngidae | Galaxiinae | Halosauridae | Monognathidae |
| Kneriidae | Monognathidae | Salmonidae | Lipogenyidae | Chirocentridae |
| Phractolaemidae | Gonostomatidae | Notacanthidae | Clupeidae | |
| Cyprinidae(minnows and carps) | Denticipitidae | Sternoptychidae | Denticipitidae | Denticipitidae |
| Psilorhynchidae | Phosichthyidae | Clupeidae | Engraulidae | |
| Cobitidae(loaches) | Pristigasteridae | Stomiidae | Engraulididae | Pristigasteridae |
| Balitoridae(hillstream/river loaches)[=Homalopteridae] | Engraulidae | Astronesthinae | Chirocentridae | Chanidae |
| Gyrinocheilidae(algae eaters) | Chirocentridae | Stomiinae | Osteoglossidae | Gonorhynchidae |
| Catostomidae(suckers) | Clupeidae | Melanostomiinae | Pantodontidae | Kneriidae |
| Citharinidae | Chanidae | Idiacanthinae | Hiodontidae | Phractolaemidae |
| Alestiidae(African tetras) | Gonorynchidae | Malacosteinae | Notopteridae | Cyprinidae |
| Hepsetidae | Ateleopodidae | Mormyridae | Balitoridae | |
| Hemiodontidae | Kneriidae | Paraulopidae | Gymnarchidae | Cobitidae |
| Curimatidae | Phractolaemidae | Aulopidae | Salmonidae | Gyrinocheilidae |
| Erythrinidae(trahiras) | Cyprinidae | Synodontidae | Plecoglossidae | Catostomidae |
| Lebiasinidae | Psilorhynchidae | Synodontinae | Osmeridae | Acestrorynchidae |
| Gasteropelecidae(freshwater hatchetfishes) | Gyrinocheilidae | Harpadontinae | Argentinidae | Alestiidae |
| Ctenoluciidae(pike-characids) | Catostomidae | Bathysauroididae | Bathylagidae | Anostomidae |
| Acestrorhynchidae | Cobitidae | Chlorophthalmidae | Opisthoproctidae | Characidae |
| Cynodontidae | Balitoridae | Bathysauropsidae | Salangidae | Chilodontidae |
| Characidae(characins) | Distichodontidae | Notosudidae | Retropinnidae | Citharinidae |
| (some subfamilies below) | Citharinidae | Ipnopidae | Galaxiidae | Crenuchidae |
| Diplomystidae(diplomystid catfishes) | Parodontidae | Scopelarchidae | Lepidogalaxiidae | Ctenoluciidae |
| Ictaluridae(North American freshwater catfishes) | Curimatidae | Paralepididae | Aplochitonidae | Curimatidae |
| Bagridae(bagrid catfishes) | Prochilodontidae | Evermannellidae | Esocidae | Cynodontidae |
| Cranoglanididae(armorhead catfishes) | Anostomidae | Alepisauridae | Umbridae | Distichodontidae |
| Siluridae(sheatfishes) | Chilodontidae | Giganturidae | Gonostomatidae | Erythrinidae |
| Schilbeidae(schilbeid catfishes) | Crenuchidae | Bathysauridae | Photichthyidae | Gasteropelecidae |
| Pangasiidae(pangasid catfishes) | Hemiodontidae | Neoscopelidae | Stemoptychidae | Hemiodontidae |
| Amblycipitidae(torrent catfishes) | Alestiidae | Myctophidae | Astronesthidae | Hepsetidae |
| Amphiliidae(loach catfishes) | Gasteropelecidae | Veliferidae | Melanostomiidae | Lebiasinidae |
| Akysidae(stream catfishes) | Characidae | Lampridae | Malacosteidae | Prochilodontidae |
| Parakysidae(parakysid catfishes) | Acestrorhynchidae | Lophotidae | Chauliodontidae | Akysidae |
| Sisoridae(sisorid catfishes) | Cynodontidae | Trachipteridae | Stomiidae | Amblycipitidae |
| Erethistidae | Erythrinidae | Regalecidae | Idiacanthidae | Amphiliidae |
| Clariidae(airbreathing or labyrinth catfishes) | Lebiasinidae | Polymixiidae | Alepocephalidae | Aspredinidae |
| Heteropneustidae(airsac catfishes) | Ctenoluciidae | Carapidae | Platytroctidae | Astroblepidae |
| Chacidae(squarehead or angler catfishes) | Hepsetidae | Ophidiidae | Alepocephalidae (no: ) | Ariidae |
| Olyridae(olyrid catfishes) | Diplomystidae | Bythitidae | Aulopodidae | Auchenipteridae |
| Malapteruridae(electric catfishes) | Cetopsidae | Aphyonidae | Bathysauridae | Austroglanidae |
| Ariidae(sea catfishes) | Amphiliidae | Parabrotulidae | Synodontidae | Bagridae |
| Plotosidae(eeltail catfishes) | Trichomycteridae | Euclichthyidae | Harpadontidae | Callichthyidae |
| Mochokidae(squeakers and unside-down catfishes) | Nematogenyidae | Macrouridae | Chlorophthalmidae | Cetopsidae |
| Doradidae(thorny catfishes) | Callichthyidae | Moridae | Neoscopelidae | Chacidae |
| Auchenipteridae(auchenipterid catfishes) | Scoloplacidae | Melanonidae | Myctophidae | Clariidae |
| Pimelodidae(long-whiskered catfishes) | Astroblepidae | Bregmacerotidae | Bathypteroidae | Claroteidae |
| Ageneiosidae(bottlenose or barbelless Catfishes) | Loricariidae | Phycidae | Ipnopidae | Cranoglanididae |
| Helogeneidae(helogeneid catfishes) | Amblycipitidae | Merlucciidae | Cobitidae (no: ) | Diplomystidae |
| Cetopsidae(whalelike catfishes) | Akysidae | Batrachoididae | Notosudidae | Doradidae |
| Hypophthalmidae(loweye catfishes) | Sisoridae | Lophiidae | Paralepididae | Erethistidae |
| Aspredinidae(banjo catfishes) | Erethistidae | Antennariidae | Omosudidae | Heptapteridae |
| Trichomycteridae(parasitic catfishes and candirus) | Aspredinidae | Brachionichthyidae | Alepisauridae | Ictaluridae |
| Callichthyidae(callichthyid armored catfishes) | Pseudopimelodidae | Chaunacidae | Anotopteridae | Loricariidae |
| Loricariidae(suckermouth armored catfishes) | Heptapteridae | Ogcocephalidae | Evermannellidae | Mochokidae |
| Scoloplacidae(spiny dwarf catfishes) | Cranoglanididae | Caulophrynidae | Scopelarchidae | Nematogenyidae |
| Astroblepidae(climbing catfishes) | Ictaluridae | Neoceratiidae | Cetomimidae | Pangasiidae |
| Sternopygidae(glass knifefishes) | Mochokidae | Melanocetidae | Rondeletiidae | Pimelodidae |
| Apteronotidae(ghost knifefishes) | Doradidae | Himantolophidae | Barbourisiidae | Plotosidae |
| Rhamphichthyidae(sand knifefishes) | Auchenipteridae | Diceratiidae | Megalomycteridae | Pseudopimelodidae |
| Hypopomidae | Siluridae | Oneirodidae | Ateleopodidae | Schilbeidae |
| Gymnotidae(nakedback knifefishes) | Malapteruridae | Ceratiidae | Mirapinnidae | Scoloplacidae |
| Electrophoridae(electric knifefishes) | Auchenoglanididae | Gigantactinidae | Eutaeniophoridae | Siluridae |
| Esocidae(pikes) | Chacidae | Linophrynidae | Giganturidae | Sisoridae |
| Umbridae(mudminnows) | Plotosidae | Mugilidae | Cobitidae (no: ) | Trichomycteridae |
| Argentinidae(argentines) | Clariidae | Notocheiridae | Gonorynchidae | Apteronotidae |
| Microstomatidae | Heteropneustidae | Melanotaeniidae | Chanidae | Hypopomidae |
| Bathylagidae(deepsea smelts) | Austroglanidae | Pseudomugilidae | Kneriidae | Gymnotidae |
| Opisthoproctidae(spookfishes or barreleyes) | Claroteidae | Dentatherinidae | Phractolaemidae | Rhamphichthyidae |
| Alepocephalidae(slickheads) | Ariidae | Atherinidae | Characidae | Sternopygidae |
| Platytroctidae(tubeshoulders) [=Searsiidae] | Schilbeidae (Schilbidae) | Belonidae | Erythrinidae | Alepocephalidae |
| Lepidogalaxiidae(salamanderfishes) | Pangasiidae | Scomberesocidae | Ctenoluciidae | Argentinidae |
| Osmeridae(smelts) | Bagridae | Exocoetidae | Hepsetidae | Bathylaconidae |
| Plecoglossidae(ayu fishes) | Pimelodidae | Hemiramphidae | Cynodontidae | Microstomatidae |
| Salangidae(icefishes or noodlefishes) | Gymnotidae | Poeciliidae | Lebiasinidae | Opisthoproctidae |
| Retropinnidae(New Zealand smelts) | Cyprinodontidae | Parodontidae | Platytroctidae | |
| Galaxiidae(galaxiids) | Rhamphichthyidae | Melamphaidae | Gasteropelecidae | Coregonidae |
| Salmonidae | Hypopomidae | Rondeletiidae | Prochilodontidae | Galaxiidae |
| Gonostomatidae(bristlemouths) | Sternopygidae | Barbourisiidae | Curimatidae | Osmeridae |
| Sternoptychidae | Apteronotidae | Cetomimidae | Anostomidae | Retropinnidae |
| Phosichthyidae(lightfishes) [=Photichthyidae] | Argentinidae | Mirapinnidae | Hemidontidae | Salmonidae |
| Stomiidae | Opisthoproctidae | Anoplogastridae | Chilodontidae | Esocidae |
| Ateleopodidae(jellynose fishes) | Microstomatidae | Diretmidae | Distichodontidae | Umbridae |
| Aulopidae(aulopus) | Anomalopidae | Citharinidae | Gonostomatidae | |
| Chlorophthalmidae(greeneyes) | Platytroctidae | Monocentrididae | Ichthyboridae | Photichthyidae |
| Ipnopidae | Bathylaconidae | Trachichthyidae | Gymnotidae | Sternoptychidae |
| Scopelarchidae(pearleyes) | Alepocephalidae | Berycidae | Electrophoridae | Stomiidae |
| Notosudidae(paperbones or waryfishes) | Osmeridae | Holocentridae | Apteronotidae | Ateleopodidae |
| Giganturidae(telescopefishes) | Retropinnidae | Cyttidae | Rhamphichthyidae | Alepisauridae |
| Synodontidae | Galaxiidae | Oreosomatidae | Cyprinidae | Aulopidae |
| Paralepididae(barracudinas) | Salmonidae | Parazenidae | Gyrinocheilidae | Bathysauridae |
| Anotopteridae(daggertooths) | Esocidae | Zeniontidae | Psilorhynchidae | Chlorophthalmidae |
| Evermannellidae(sabertooth fishes) | Umbridae | Grammicolepididae | Catostomidae | Evermannellidae |
| Omosudidae(omosudids) | Diplphidae | Zeidae | Homalopteridae | Giganturidae |
| Alepisauridae(lancetfishes) | Gonostomatidae | Caproidae | Cobitidae | Ipnopidae |
| Pseudotrichonotidae | Sternoptychidae | Pegasidae | Diplomystidae | Notosudidae |
| Neoscopelidae(blackchins) | Solenostomidae | Ictaluridae | Paralepididae | |
| Myctophidae(lanternfishes) | Phosichthyidae | Syngnathidae | Bagridae | Pseudotrichonotidae |
| Lampridae(opahs) | Stomiidae | Aulostomidae | Cranoglanididae | Scopelarchidae |
| Veliferidae(velifers) | Ateleopodidae | Fistulariidae | Siluridae | Synodontidae |
| Lophotidae(crestfishes) | Paraulopidae | Macroramphosidae | Schilbeidae | Myctophidae |
| Radiicephalidae(tapertails) | Aulopidae | Centriscidae | Pangaslidae | Neoscopelidae |
| Trachipteridae(ribbonfishes) | Pseudotrichonotidae | Synbranchidae | Amblycipitidae | Veliferidae |
| Regalecidae(oarfishes) | Synodontidae | Dactylopteridae | Amphiliidae | Lamprididae |
| Stylephoridae(tube-eyes or thread-tails) | Sebastidae | Akysidae | Stylephoridae | |
| Polymixiidae(beardfishes) | Bathysauroididae | Setarchidae | Sisoridae | Lophotidae |
| Percopsidae(trout-perches) | Chlorophthalmidae | Neosebastidae | Clariidae | Radiicephalidae |
| Aphredoderidae(pirate perches) | Bathysauropsidae | Scorpaenidae | Heteropneustidae | Trachipteridae |
| Amblyopsidae(cavefishes) | Notosudidae | Pteroinae | Chacidae | Regalecidae |
| Muraenolepididae(eel cods) | Ipnopidae | Scorpaeninae | Olyridae | Polymixiidae |
| Bregmacerotidae(codlets) | Apistidae | Malaptemridae | Amblyopsidae | |
| Euclichthyidae(eucla cods) | Scopelarchidae | Tetrarogidae | Mochokidae | Aphredoderidae |
| Macrouridae(grenadiers or rattails) | Evermannellidae | Synanceiidae | Ariidae | Percopsidae |
| Moridae(deepsea cods) | Alepisauridae | Congiopodidae | Doradidae | Aphyonidae |
| Melanonidae(pelagic cods) | Paralepididae | Gnathanacanthidae | Auchenipteridae | Bythitidae |
| Gadidae(cods and haddocks) | Aploactinidae | Aspredinidae | Carapidae | |
| Lotidae(hakes and burbots) | Bathysauridae | Pataecidae | Plotosidae | Ophidiidae |
| Phycidae(phycid hakes) | Giganturidae | Caracanthidae | Pimelodidae | Parabrotulidae |
| Merlucciidae(merluccid hakes) | Neoscopelidae | Triglidae | Ageneiosidae | Bathygadidae |
| Ophidiidae(cuskeels) | Myctophidae | Bembridae | Hypopthalmidae | Bregmacerotidae |
| Carapidae | Veliferidae | Platycephalidae | Helogenidae | Euclichthyidae |
| Bythitidae(livebearing brotulas) | Lampridae | Hoplichthyidae | Cetopsidae | Gadidae |
| Aphyonidae(aphyonids) | Stylephoridae | Cottidae | Trichomycteridae | Gaidropsaridae |
| Parabrotulidae(false brotulas) | Lophotidae | Psychrolutidae | Callichthyidae | Lotidae |
| Batrachoididae(toadfishes) | Radiicephalidae | Liparidae | Loricariidae | Macrouridae |
| Lophiidae(goosefishes or monkfishes) | Trachipteridae | Zoarcidae | Astroblepidae | Macruronidae |
| Antennariidae(frogfishes) | Regalecidae | Latidae | Amblyopsidae | Melanonidae |
| Tetrabrachiidae | Polymixiidae | Ambassidae | Aphredoderidae | Merlucciidae |
| Lophichthyidae | Percopsidae | Acropomatidae | Percopsidae | Moridae |
| Brachionichthyidae(warty anglerfishes) | Aphredoderidae | Moronidae | Batrachoididae | Muraenolepididae |
| Chaunacidae(sea toads) | Amblyopsidae | Serranidae | Gobiesocidae | Phycidae |
| Ogcocephalidae(batfishes) | Muraenolepididae | Anthiinae | Lophichthyidae | Raniciptidae |
| Caulophrynidae | Bregmacerotidae | Epinephelinae | Lophiidae | Steindachneriidae |
| Neoceratiidae | Euclichthyidae | Diploprionini | Brachionichthyidae | Batrachoididae |
| Melanocetidae | Macrouridae | Epinephelini | Antennariidae | Antennariidae |
| Himantolophidae(footballfishes) | Moridae | Grammistini | Chaunacidae | Brachionichthyidae |