"Here," said he, pointing to the picture of an extraordinary flying monster, "is an excellent reproduction of the dimorphodon, or pterodactyl, a flying reptile of the Jurassic period
. On the next page is a diagram of the mechanism of its wing.
Maidment in a statement from the museum."Most known stegosaurus date from later in the Jurassic Period
, making this the oldest definite stegosaur described and helping to increase our understanding of the evolution of this group of dinosaurs.
Despite the specimen including only a few vertebrae and an upper arm bone, scientists concluded it was a new species and genus which dates to the middle Jurassic period
- much earlier than most known stegosaurs.
The 24.4-meter-long by 7-meter-high skeleton, which dates back to the Jurassic period
, is the first of its kind in the world to be installed at the Dubai Mall.
He said: "The Jurassic period
was a time of global climate change.
The volcanoes developed in the Jurassic period
, between 180 and 160 million years ago, and have been subsequently buried beneath hundreds of meters of sedimentary -- or layered -- rocks.
Because there were no roads in the Jurassic period
The volcanoes developed during the Jurassic period
, between 180 and 160 million years ago, and have subsequently been buried beneath hundreds of metres of sedimentary rocks.
This dinosaur became widespread in the late Jurassic period
, along with other similar creatures like the Brachiosaurus, Brontosaurus and Diplodocus.
This resulted in the seas becoming more oxygenated leading to sedimentation in the lower Jurassic period
That equates to approximately 180 million man-years - that would take us back to somwhere in the middle of the Jurassic period
? The dinosaurs became extinct merely 66 million years ago.