from 190 million to 135 million years ago; dinosaurs; conifers
Middle period of the Mesozoic Era, between 185-135 million years ago. Characterized by the (possible) origin of angiosperms and the continued split of the worldwide supercontinent of Pangaea.
The period of time lasting from 206 million to 144 million years ago. During this period, the first large dinosaurs and first birds appeared.
the middle time period of the Mesozoic Era, 206 to 144 million years ago.
the second period of dinosaur rule (Mesozoic Era) from 200 to 135 million years ago
period of time during the middle of the Age of Reptiles extending from approximately 145 to 208 million years ago.
second period of the Mesozoic Era; time period during which Pangea began to drift apart. "Jurassic" comes from fossil-bearing limestone rocks found in Europe's Jura Mountains
The second period of the Mesozoic era, thought to have covered the span of time between 190 and 135 million years ago.
The time period when the super continent of pagea began to break apart between 199 and 145 million years ago. Dinosaurs were the dominant land animals of this period.
Between 206 and 144 million years ago. Period characterized by the development of many new kinds of dinosaurs and the first birds.
Age in which dinosaurs flourished, 144 to 288 million years ago.
Birds evolved and many dinosaurs flourished during the Jurassic period, 208-146 million years ago. Flowering plants appeared about 140 million years ago, during the late Jurassic period.
