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.
âJawed vertebrates appeared 100 million years later, in the Silurian.â âOwen's studies on fossil vertebrates were immensely productive.â âIn short, this analysis finds that conodonts are more derived than any of the living jawless vertebrates.â