Browsing the "Mesozoic" Category

The Mesozoic era, meaning “middle life”, is a division of earth’s history spanning from around 252 to 66 million years ago. It is subdivided into the Triassic, Jurassic and Cretaceous periods. The beginning of the Mesozoic is characterised by a long phase of recovery following the end Permian mass extinction. The end of the Mesozoic is marked by the Cretaceous/Paleogene extinction event which wiped out the dinosaurs among other groups.

Mesozoic

Episode 54: Crystal Palace Dinosaurs

Published on November 1st, 2015 | by Joe Keating

The ‘Crystal Palace Dinosaurs’ are a series of sculptures of extinct animals including dinosaurs, other extinct reptiles and mammals, which can be found in the grounds of the Crystal Palace in London. Commissioned in 1852, these [&hellip... Read More


Cretaceous

Episode 53: Ankylosaurs

Published on October 15th, 2015 | by Liz Martin-Silverstone

Ankylosaurs are a group of non-avian dinosaurs best known for their armour, tank-like bodies, and sometimes large tail clubs. First appearing in the Jurassic, they were common in Late Cretaceous ecosystems, with several species known from [&hellip... Read More


Cretaceous

Evolution of the ankylosaur tail club

Published on September 8th, 2015 | by Liz Martin-Silverstone

Ankylosaurs are the large, tank-like, armoured dinosaurs that often had a large boney club at the end of their tail. The club is formed of osteoderms, dermal bone that has fused together at the end of the [&hellip... Read More


Cretaceous

New iguana from Brazil

Published on August 26th, 2015 | by Liz Martin-Silverstone

A new iguanian fossil described in Nature Communications from the Late Cretaceous of Brazil is changing traditional views on early lizard evolution in the southern hemisphere. Lizards are split into two groups: acrodontan lizards (found in [&hellip... Read More


Jurassic

Triassic-Jurassic Extinction

Published on August 11th, 2015 | by Liz Martin-Silverstone

A new study out today looks at the question of whether or not geographically widespread species are less likely to become extinct, using the Triassic-Jurassic boundary extinction event. Alex Dunhill from the University of Leeds had [&hellip... Read More


Mesozoic

Theropod tooth development

Published on July 28th, 2015 | by Liz Martin-Silverstone

A new study out today has looked at the tooth development of theropod dinosaurs and found they had a novel morphology of the serrated teeth. Lead author Kirstin Brink of the University of Toronto had this [&hellip... Read More


Cretaceous

Zhenyuanlong by Zhao Chuang

New dromaeosaurid – Meet Zhenyuanlong

Published on July 16th, 2015 | by Liz Martin-Silverstone

Another new feathered dinosaur has been described today from the Early Cretaceous of China. Zhenyuanlong joins the ever expanding list of feathered theropods from this region, and has implications for the evolution of wings in dinosaurs. We [&hellip... Read More


Cretaceous

New ceratopsian – Wendiceratops

Published on July 8th, 2015 | by Liz Martin-Silverstone

Today, a new ceratopsian was named, Wendiceratops pinhornensis. While known to the public for sometime, it has now been officially named and described. It is an important find illuminating ceratopsian and centrosaurine evolution in North America. We spoke [&hellip... Read More


Jurassic

Ichthyosaur skull reconstruction

Published on June 12th, 2015 | by Liz Martin-Silverstone

A new study out today has produced the world’s first ichthyosaur endocast, which can tell us a lot more about how these ancient marine reptiles were adapted for life in the oceans. Ryan Marek from the [&hellip... Read More


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