Living between 85 to 66 million years ago and reaching lengths of up to 56 feet, Mosasaurus hoffmannii was a terror of prehistoric seas.
Your prompt is MOSASAURUS.
Fish flesh rips apart
Hinged lower jaw ratcheting
Back and forth, slicing
Their lower jaws were hinged to facilitate what is known as ratchet feeding.
Prehistory is
Terrifying. Glad these things
Have mostly died out.
Bigger is not better monosauras
Ratchet wrench socket mouth
Could not open the door ,
Timed out of existence.