First birds – Victims of dinosaurs
First birds – Victims of dinosaurs – Paleontologist Jingmal O’Connor made in China discovery,
that the first birds were victims of representatives of the dinosaurs.
– “125 million years ago, dinosaur Microraptor Gui hunted and devoured entirely
representative of primitive birds from the group Enantiornithines.
The find confirms our belief that the dromerosaurs lived on the trees.“
Dinosaurs nest – Paleontological discovery in Mongolia
Dinosaurs nest – paleontological discovery in Mongolia – Paleontologists have discovered
in Mongolia population of 70 million years old dinosaur nest kind of Protoceratops Andrewsi.
It was in the 15 newly hatched young. This discovery proves that immature individuals
were in the nest after hatching and died not only as food for others.
But also because to external conditions.
Mass genera extinctions – Phanerozoic biodiversity
Mass genera extinctions – Phanerozoic biodiversity – So far, on the Earth was 5 great periods of extinction. The oldest occurred in the Ordovician period – 440 million years ago. The next it: in the Devonian period – 365 million years ago, in the Permian 245 million years ago. Silurian 210 million years ago and the biggest in the Cretaceous – 65 million years ago. During the last dinosaurs became extinct all.