Browsing the "Jurassic" Category

The Jurassic period is a division of earth’s history spanning from around 201 to 145 million years ago, and during which dinosaurs became the dominant land vertebrates. By the Early Jurassic, the supercontinent of Pangaea had split into Laurasia, in the north, and Gondwana, in the south. Separating them was the Tethys Ocean. Sea levels in the Jurassic were high and the climate was warm and humid, leading to the growth of vast forests of conifers and ferns. In the oceans, marine reptiles continued to diversify, as did ammonites. During the Jurassic, reef-building rudist bivalves and belemnite cephalopods appeared. On land, dinosaurs flourished; among the most successful were the giant long-necked sauropods. Bird-like dinosaurs such as Archaeopteryx began to appear. In the skies, pterosaurs were common.

Cretaceous

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Episode 37: Theropods and birds

Published on December 1st, 2014 | by Dave Marshall

Theropods are what we would classically recognise as the meat-eating dinosaurs of the Mesozoic Era. They are best known from genera such as Tyrannosaurus and Velociraptor but the group is much more diverse and includies herbivores, beaked [&hellip... Read More


Cambrian

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Episode 29: Medusae

Published on June 1st, 2014 | by Dave Marshall

One of the longest-ranging and outwardly primitive-looking groups of animals on the planet are the Medusozoa. In consisting of around 95% water, it may be surprising to know that there is a fossil record of jellyfish, [&hellip... Read More


Jurassic

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Episode 21: Marine reptiles of Svalbard

Published on October 1st, 2013 | by Dave Marshall

In this episode we talk to Jørn Hurum, Associate Professor of Vertebrate Paleontology at the Natural History Museum Oslo, Norway.  Jørn has varied research interests including dinosaurs and mammals (being one of the team of researchers who described [&hellip... Read More


Cretaceous

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Episode 13: Best Western Denver Southwest

Published on March 1st, 2013 | by Dave Marshall

Every palaeontologist needs to put their feet up once in a while, and what better place to do so than at the Best Western Denver Southwest? This hotel is located just a stone’s-throw away from Dinosaur [&hellip... Read More


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