Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact ...

Reptiles first appear in the fossil record 315 million years ago and were the dominant animals during the Mesozoic era, which lasted for 270 million years until the extinction of the dinosaurs.

The animals constantly grew new shell material ... As ammonites evolved throughout the Mesozoic era, between 252 and 66 million years ago, their shell structures grew smaller, more tightly coiled ...

The Jurassic Period is one of the three prehistoric geological periods of the Mesozoic Era. It spans from 145 million to 201 ...

"Twins! She has another baby," Judith Pardo-Pérez, a paleontologist at the University of Magallanes in Chile who first ...

The color of an animal’s fur is quite complex and can tell us things ... of which there are plenty from the Mesozoic era. Using living mammals first, the researchers analyzed melanosomes from 116 ...

It forms the transition between the late Palaeozoic Era, which was mainly populated by synapsids, or mammal-like reptiles, and the Mesozoic Era ... and killed off all the trilobites, a group of ...

For many, it is dinosaurs, the fierce and powerful stars of the Mesozoic era, which spanned from about 251 to 66 million years ago. However, there were also other incredible prehistoric animals.

The truth about the platypus—and what makes the animal's recent genomic sequencing ... 166 million years ago, deep in the Mesozoic era, and since that time, it has independently lost different ...

The colours are similar to the hue of nocturnal animals, such as moles ... A study of the colouration of mammals from the Mesozoic era suggests they were a dark and dusky greyish-brown shade ...

With animals, whole groups disappeared ... Image courtesy of Max Pixel (CC0) When the Cretaceous Period and Mesozoic Era ended 66 million years ago, the Palaeogene Period and the Cenozoic Era began.

Here, we will look at the animals that lived on the Earth during one particular geological time: the Mesozoic Era. We will look at the extinction events that took place during that era and how ...