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.
Mississippian Period 30 million years: 360 million: Trilobites had nearly died out. Crustaceans, fish and amphibians were plentiful. Many coral reefs were formed. Amphibians : Devonian Period 50 million years: 410 million: The first forests grew in swamps. Many kinds of fish, including sharks, armored fish and lungfish, swam in the sea and in fresh waters. The first amphibians and insects appeared. Fish : Silurian Period 25 million years