👉 Himeropteryx, also known as the dinosaur, is a large theropod dinosaur that lived during the Late Cretaceous period of Earth's history. It was part of the family Theripetidae and had a distinctive beak-like structure on its head called a "trachea," which allowed it to breathe air through its mouth. The term "Himeropteryx" refers to this large, muscular dinosaur that lived in the Jurassic period around 1