Trapezoid torpedo  (Tetronarce tokionis)

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Taxonomy of Fishes

• Osteichthyes - Bony fishes->
• Chondrichthyes - Cartilaginous fishes->

  • Elasmobranchii - Sharks and Rays->

    • Lamniformes - Mackerel sharks->
    • Carcharhiniformes - Ground sharks->
    • Rhinopristiformes - Shovelnose rays->
    • Torpediniformes - Electric rays->

      • Torpedinidae - Electric rays->

        • Torpedo - Torpedo->
        • Tetronarce - Tetronarce->

          • Pacific electric ray (Tetronarce californica)
          • Cowley’s torpedo ray (Tetronarce cowleyi)
          • New Zealand torpedo (Tetronarce fairchildi)
          • Taiwan torpedo ray (Tetronarce formosa)
          • Shorttail torpedo (Tetronarce macneilli)
          • Smalldisk torpedo (Tetronarce microdiscus)
          • Electric ray (Tetronarce nobiliana)
          • Western atlantic torpedo (Tetronarce occidentalis)
          • Peruvian torpedo (Tetronarce peruana)
          • Argentine torpedo (Tetronarce puelcha)
          • Semipelagic torpedo (Tetronarce semipelagica)
          • Trapezoid torpedo (Tetronarce tokionis)
          • Chilean torpedo (Tetronarce tremens)
      • Platyrhinidae - Thornbacks->
      • Hypnidae - Coffin rays->
      • Narcinidae - Numbfishes->
      • Narkidae - Sleeper rays->
    • Rajiformes - Skates and rays->
    • Orectolobiformes - Carpet shark->
    • Squatiniformes - Angelsharks->
    • Heterodontiformes - Bullhead and horn sharks->
    • Hexanchiformes - Six-gill sharks->
    • Myliobatiformes - Stingrays->
    • Squaliformes - Sleeper and dogfish sharks->
    • Echinorhiniformes - Bramble sharks->
    • Pristiophoriformes - Saw sharks->
  • Holocephali - Chimaeras->
• Agnatha - Jawless fishes->