Definition: The term "rhipipteran" is a genus of ancient reptiles from the Late Cretaceous period. These creatures are considered to be part of the group known as the "cetaphelid" family, which includes various types of ammonites and other extinct marine animals. The genus "Rhipicephala" is characterized by its unique quadrangular body shape, a large head with a hooded upper jaw, and distinctive long, slender legs that are adapted for swimming