a student in a university or college who has not received a first, especially a bachelor's, degree. adjective. 2. having the standing of an undergraduate. 3. of, for, pertaining to, or characteristic of undergraduates.
Matheronodon provincialis has been identified as a member of rhabdodontids - a group of herbivorous bipedal dinosaurs - from the late Campanian period about 84 to 72 million years ago. They were descendants of the iguanodontian dinosaurs from the Upper Jurassic.
The dinosaurs and the mammals appeared during the Triassic period, roughly 225 million years ago. The dinosaurs went extinct 65 million years ago. The Mesozoic Era lasted about 180 million years, and is divided into three periods, the Triassic, the Jurassic, and the Cretaceous.