Gyroptychius agassizi

Gyroptychius agassizi  Traill

    Middle Devonian

    Orkney

    Sandwick Fish Beds

    Length 39cm / 15"

    Gyroptychius was a fast riverine lungfish with an elongated body and for sure one of the top predators. Gyroptychius had short jaws which gave it a powerful bite. All its fins except the pectorals were moved to the back to the body, increasing the power of the tail while swimming.