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.
Between 416 and 359 million years ago, the Devonian Period saw the evolution and diversification of the first bony fishes, the armored placoderms, and the cartilaginous sharksâthe forebears of the vertebrates that dominate aquatic environments today.