👉 Scyphomedusoid is a genus of extinct marine reptile that lived during the Mesozoic era, around 65-60 million years ago. This group includes various species such as the Scyphodromus and Scyphomorium. The Scyphomedusoid were characterized by their large jaws and teeth, which allowed them to swallow large amounts of food. They were also known for their long necks that could reach very deep into the ocean