Definition: "The word 'Anomalopteryx' refers to a rare, prehistoric dinosaur known for its large jaw, sharp teeth, and long neck." Definition: - Originated from the Mesozoic Era during the Lower Carboniferous period. - Anomalopteryx lived in an early stage of the Earth's history. It is thought to have been one of the largest land animals ever discovered. - The body was massive, measuring up to 35 meters (120 feet) in length and weighing around 6 tons (360 tons). - Its distinctive features included a long neck that reached over 4 meters (13 feet), which allowed it to eat larger prey with ease.