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ichthyosaur

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    ichthyosaur /ˌɪkθɪəˈsɔːrəs/ (also ichthyosaurus)

  • 1. N any extinct marine Mesozoic reptile of the order Ichthyosauria, which had a porpoise-like body with dorsal and tail fins and paddle-like limbs 鱼龙→see also plesiosaur

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