Darkgill snailfish  (Psednos nataliae)

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Taxonomy of Fishes

• Osteichthyes - Bony fishes->

  • Coelacanthi - Lobe-finned fishes->
  • Teleostei - Ray-finned fishes->

    • Perciformes - Perches->
    • Cypriniformes - Carps->
    • Esociformes - Pikes->
    • Salmoniformes - Salmons and Trouts->
    • Siluriformes - Catfishes->
    • Scorpaeniformes - Mail-cheeked fishes->

      • Cottidae - Cottids->
      • Scorpaenidae - Scorpionfishes->
      • Sebastidae - Rockfishes, rockcods and thornyhead->
      • Anarhichadidae - Wolffishes->
      • Hexagrammidae - Greenlings->
      • Comephoridae - Baikal oilfishes->
      • Platycephalidae - Flatheads->
      • Liparidae - Snailfishes->

        • Liparis - Snailfishes->
        • Careproctus - Butt-face fishes->
        • Acantholiparis - Acantholiparis->
        • Aetheliparis - Aetheliparis->
        • Allocareproctus - Allocareproctus->
        • Crystallias - Crystallias->
        • Crystallichthys - Crystallichthys->
        • Edentoliparis - Edentoliparis->
        • Eknomoliparis - Eknomoliparis->
        • Elassodiscus - Elassodiscus->
        • Eutelichthys - Eutelichthys->
        • Genioliparis - Genioliparis->
        • Gyrinichthys - Gyrinichthys->
        • Lipariscus - Lipariscus->
        • Lopholiparis - Lopholiparis->
        • Menziesichthys - Menziesichthys->
        • Paraliparis - Paraliparis->
        • Nectoliparis - Nectoliparis->
        • Notoliparis - Notoliparis->
        • Osteodiscus - Osteodiscus->
        • Palmoliparis - Palmoliparis->
        • Rhinoliparis - Rhinoliparis->
        • Polypera - Polypera->
        • Praematoliparis - Praematoliparis->
        • Prognatholiparis - Prognatholiparis->
        • Psednos - Psednos->

          • Andriashev’s dwarf snailfish (Psednos andriashevi)
          • Psednos anoderkes (Psednos anoderkes)
          • Psednos argyrogaster (Psednos argyrogaster)
          • Palemouth snailfish (Psednos balushkini)
          • Blackchin dwarf snailfish (Psednos barnardi)
          • Psednos carolinae (Psednos carolinae)
          • Psednos cathetostomus (Psednos cathetostomus)
          • Psednos chathami (Psednos chathami)
          • European dwarf snailfish (Psednos christinae)
          • Psednos cryptocaeca (Psednos cryptocaeca)
          • Psednos delawarei (Psednos delawarei)
          • Psednos dentatus (Psednos dentatus)
          • Gelatinous dwarf snailfish (Psednos gelatinosus)
          • Psednos griseus (Psednos griseus)
          • Greenland dwarf snailfish (Psednos groenlandicus)
          • Hartel’s dwarf snailfish (Psednos harteli)
          • Psednos islandicus (Psednos islandicus)
          • Psednos longiventris (Psednos longiventris)
          • Psednos melanocephalus (Psednos melanocephalus)
          • Psednos mexicanus (Psednos mexicanus)
          • Smalleye dwarf snailfish (Psednos microps)
          • Psednos microstomus (Psednos microstomus)
          • Multipore dwarf snailfish (Psednos micruroides)
          • Barnard’s dwarf snailfish (Psednos micrurus)
          • Marvelous dwarf snailfish (Psednos mirabilis)
          • Darkgill snailfish (Psednos nataliae)
          • Psednos nemnezi (Psednos nemnezi)
          • Psednos pallidus (Psednos pallidus)
          • Psednos platyoperculosus (Psednos platyoperculosus)
          • Psednos rossi (Psednos rossi)
          • Sargasso dwarf snailfish (Psednos sargassicus)
          • Psednos spirohira (Psednos spirohira)
          • Stein’s dwarf snailfish (Psednos steini)
          • Psednos struthersi (Psednos struthersi)
          • Bigcheek snailfish (Psednos whitleyi)
        • Pseudoliparis - Pseudoliparis->
        • Pseudonotoliparis - Pseudonotoliparis->
        • Rhodichthys - Rhodichthys->
        • Squaloliparis - Squaloliparis->
        • Temnocora - Temnocora->
        • Volodichthys - Volodichthys->
      • Triglidae - Gurnards->
      • Pholidae - Gunnels->
      • Cyclopteridae - Lumpfishes->
      • Zoarcidae - Eelpout->
      • Stichaeidae - Pricklebacks->
      • Scorpaenichthyidae - Scorpaenichthyidae->
      • Abyssocottidae - Deep-water sculpins->
      • Agonidae - Poachers->
      • Anoplopomatidae - Sablefishes->
      • Apistidae - Wasp scorpionfishes->
      • Aploactinidae - Velvetfishes->
      • Bathylutichthyidae - Antarctic sculpins->
      • Bathymasteridae - Ronquils->
      • Bembridae - Deepwater flatheads->
      • Caracanthidae - Orbicular velvetfishes->
      • Congiopodidae - Racehorses or pigfishes->
      • Cottocomephoridae - Bighead sculpins->
      • Cryptacanthodidae - Wrymouths->
      • Ereuniidae - Deepwater bullhead sculpins->
      • Eschmeyeridae - Cofishes->
      • Eulophiidae - Spinous fin eelpouts->
      • Gnathanacanthidae - Red velvetfish->
      • Hemitripteridae - Sea ravens or sailfin sculpins->
      • Hoplichthyidae - Ghost flatheads->
      • Jordaniidae - Longfin sculpins->
      • Lumpenidae - Eel pricklebacks->
      • Neosebastidae - Gurnard scorpionfishes->
      • Neozoarcidae - Largemouth kissing eelpouts->
      • Normanichthyidae - Barehead scorpionfishes->
      • Opisthocentridae - Rearspined fin pricklebacks->
      • Parabembridae - Sprat-like flatheads->
      • Pataecidae - Australian prowfishes->
      • Peristediidae - Armored searobins or armored gurnards->
      • Perryenidae - Whitenose pigfishes->
      • Plectrogeniidae - Stinger flatheads->
      • Psychrolutidae - Fatheads->
      • Ptilichthyidae - Quillfish->
      • Rhamphocottidae - Grunt sculpins->
      • Scytalinidae - Graveldivers->
      • Setarchidae - Deep-sea bristly scorpionfishes->
      • Synanceiidae - Stonefishes->
      • Tetrarogidae - Wasp fishes->
      • Zanclorhynchidae - Horsefishes->
      • Zaniolepididae - Combfishes->
      • Zaproridae - Prowfish->
    • Gasterosteiformes - Sticklebacks->
    • Gadiformes - Cods->
    • Anguilliformes - Eels and morays->
    • Clupeiformes - Herrings->
    • Syngnathiformes - Pipefishes and Seahorses->
    • Gobiiformes - Gobies->
    • Mugiliformes - Mullets->
    • Carangiformes - Jacks->
    • Beloniformes - Needlefishes->
    • Labriformes - Wrasses->
    • Scombriformes - Mackerels->
    • Mulliformes - Goatfishes->
    • Pleuronectiformes - Flatfishes->
    • Aulopiformes - Grinners->
    • Blenniiformes - Blennies->
    • Cyprinodontiformes - Toothcarps->
    • Osmeriformes - Smelts->
    • Centrarchiformes - Basses and sunfishes->
    • Cichliformes - Cichlids->
    • Characiformes - Characins->
    • Osteoglossiformes - Bony tongues->
    • Elopiformes - Tarpons and tenpounders->
    • Anabantiformes - Gouramies and snakeheads->
    • Gymnotiformes - South American knifefish->
    • Istiophoriformes - Barracudas->
    • Albuliformes - Bonefishes->
    • Lepidogalaxiiformes - Salamanderfishes->
    • Lophiiformes - Anglerfishes->
    • Spariformes - Breams and porgies->
    • Trachiniformes - Weeverfishes->
    • Moroniformes - Temperate basses->
    • Acanthuriformes - Surgeonfishes->
    • Zeiformes - Dories->
    • Tetraodontiformes - Puffers and filefishes->
    • Holocentriformes - Squirrelfishes->
    • Dactylopteriformes - Flying gurnards->
    • Lampriformes - Lamprids->
    • Galaxiiformes - Southern smelts->
    • Batrachoidiformes - Toadfishes->
    • Hiodontiformes - Mooneyes->
    • Percopsiformes - Trout-perches->
    • Callionymiformes - Dragonets->
    • Atheriniformes - Silversides->
    • Notacanthiformes - Spiny eels->
    • Saccopharyngiformes - Swallowers and Gulpers->
    • Alepocephaliformes - Slickheads and tubeshoulders->
    • Gonorynchiformes - Milkfishes->
    • Argentiniformes - Marine smelts->
    • Stomiiformes - Lightfishes and dragonfishes->
    • Ateleopodiformes - Jellynose fishes->
    • Myctophiformes - Lanternfishes->
    • Stylephoriformes - Tube-eyes->
    • Polymixiiformes - Beardfishes->
    • Beryciformes - Sawbellies->
    • Trachichthyiformes - Rughies->
    • Ophidiiformes - Cusk-eels->
    • Kurtiformes - Nurseryfishes & Cardinalfishes->
    • Synbranchiformes - Swamp eels->
    • Gobiesociformes - Clingfishes->
    • Acropomatiformes - Oceanic basses->
  • Cladistii - Bichirs->
  • Dipneusti - Lungfishes->
  • Chondrostei - Sturgeons->
  • Holostei - Gars and Bowfins->
• Chondrichthyes - Cartilaginous fishes->
• Agnatha - Jawless fishes->