Bony Fish

Subclass Osteichthyes


Lobe-finned Fish (Sarcopterygii)

  • lungfishes

  • coelacanths

  • tetrapods

Ray-finned Fish (Actinopterygii)

  • Tuna

  • Swordfish

  • Salmon

  • Cod

  • Flatfish

  • Seahorse

  • Mahi-mahi

Cartilaginous Fish

Subclass Chondrichthyes


Elasmobranchii

  • Sharks

    • Galean sharks

    • Squalomorph Sharks

  • Rays

    • Skates

    • Saw Fishes

    • Sting Rays

    • Electric Rays

Holocephali

  • Chimaeras

Jawless Fishes

Subclass Agnathostomata


Myxinidae

  • Hagfishes

Hyperoartia

  • Lampreys

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Amphibians

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Invertebrates