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Tetrapod World: early evolution and diversification

Discovering how tetrapods splashed out!

Foreshore at Burnmouth

© Rob Clack

The TW:eed Project was an NERC-funded scientific research programme studying fossils and environments from the Early Carboniferous Tournaisian Stage, roughly 350 million years ago. Teams of experts from the Universities of Cambridge, Leicester and Southampton, the British Geological Survey and National Museums of Scotland collaborated to study some spectacular recently-discovered fossils which filled a significant gap (Romer's Gap) in our understanding of how tetrapods moved from water onto land, the other animals and plants that existed at that time, and the environment in which these changes took place.

The project consisted of teams working on the palaeontology, sedimentology, stratigraphy, palynology and performing stable isotope analysis, so that we could discover not only how tetrapods became terrestrial, but also what the environment, plants and other animals were like and how they changed in parallel with the tetrapods.

We also worked with experts in a number of other universities and institutions, both in the UK and abroad. Please see the Project Partners and Canadian Partners pages.

Our project blog is at , but is no longer maintained. The Project Facebook page is also rather static these days.

What's New?
  • Three colleagues of Jenny's organised a special conference day to celebrate her contribution to early tetrapod research in December 2017. 21 of the papers have now been gathered together and published in a single volume. You can read a press release about this via the Publication Summaries section.
  • The team has published several new papers over the past few months. Knowing they were in the pipeline, I held off writing layman's summaries until now. You can read them via the Publication Summaries section.