Shorthead lamprey  (Mordacia mordax)

Taxonomy of Fishes

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

  • Myxini - Hagfishes->
  • Petromyzonti - Lampreys->

    • Petromyzontiformes - Lampreys->

      • Petromyzontidae - Lampreys->
      • Geotriidae - Southern lampreys->
      • Mordaciidae - Southern topeyed lampreys->

        • Mordacia - Mordacia->

          • Chilean lamprey (Mordacia lapicida)
          • Shorthead lamprey (Mordacia mordax)
          • Non-parasitic lamprey (Mordacia praecox)