The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from about 174.1 to 161.5 million years ago.

The Middle Jurassic is the second geological epoch in the Jurassic. It began 174.1 million years ago, and ended at 163.5 million years ago. In the Middle Jurassic, Pangaea began to split apart.

The Middle Jurassic period, the Dogger epoch. The Jurassic saw the rise of the dinosaurs and the first birds. Pangaea was beginning to break up. Sea levels were high, there was no polar ice and the Earth was warmer than it is now.

During much of the Early and Middle Jurassic, southern England was underwater. We can tell this from the many fossils of ocean-dwelling animals that turn up on the 150-kilometre-long Jurassic Coast.

JURASSIC PERIOD. During the Early and Middle Jurassic, Utah was mostly desert. Periodically, sea level would rise and invade this sand dune-covered landscape. The rock exposed in the great sandstone cliffs of Zion National Park and Arches National Park comprises fossil sand dunes.

2014年4月9日 · The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from 176 to 161 million years ago. In European lithostratigraphy, rocks of this Middle Jurassic age are called the Dogger.

The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from about 174.1 to 161.5 million years ago. Fossils of land-dwelling animals, such as...

2023年5月30日 · Most finds can be put into one of two categories: tracks from rocks of Early (201 to 174 Ma) or Middle Jurassic age (174 to 163 Ma), or body fossils from the Morrison Formation, of Late Jurassic age (163 to 145 Ma).

Middle Jurassic Period 160 million years ago. This is what you might have seen about 160 million years ago if you looked out over the ocean. While dinosaurs dominated the land (sauropods stroll along the shore), large marine reptiles, like the ichthyosaur Opthalmosaurus, ruled the seas.

Bajocian Stage, second of the four divisions of the Middle Jurassic Series, representing all rocks formed worldwide during the Bajocian Age, which occurred between 170.3 million and 168.3 million years ago during the Jurassic Period.