Read MoreScientists believe the species hunted the oceans 66 million years ago with “teeth like knives”.Scientists believe the species hunted the oceans 66 million years ago with “teeth like knives”.

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Read MoreScientists believe the species hunted the oceans 66 million years ago with “teeth like knives”.Scientists believe the species hunted the oceans 66 million years ago with “teeth like knives”.