The exhibition T. rex in Town

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September 13, 2016

The exhibition T. rex in Town

Meet Trix, Europe’s first Tyrannosaurus rex. The 66-million-year-old fossil of the carnivorous dinosaur is the centerpiece of the exhibition T. rex in Town that has opened its doors until 5th June 2017 at Naturalis in Leiden, Holland.

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Meet Trix, Europe’s first Tyrannosaurus rex. The 66-million-year-old fossil of the carnivorous dinosaur is the centerpiece of the exhibition T. rex in Town that has opened its doors until 5th June 2017 at Naturalis in Leiden, Holland.

  • Trix is the only T. rex skeleton in the world mounted with the original skull
  • She ranks in the top three of best T. rex skeletons
  • The oldest T. rex ever found

First T. rex outside North America

Naturalis Biodiversity Center excavated T. rex Trix in 2013 in Montana, USA. The historic find makes Naturalis the first museum outside North America to have a T. rex in its collection.

Mounted with original skull

Trix is the only T. rex skeleton in the world mounted with the original skull. With almost 80 percent of bone volume found and exquisite, non-deformed bone quality, she ranks in the top three of best T. rex skeletons ever excavated. Trix is also the oldest T. rex ever found, with an estimated age of over 30 years.

The skeleton in figures

  • Length 12,5 metres
  • Height 4 metres
  • Age over 66 million years old 
  • Length of skull 1.50 metres
  • Completeness of the skeleton around 80% by bone volume; top 3 international ranking
  • Age of the animal at least 30 years; oldest T. rex ever found 
  • Sex very probably female 
  • Weight of live adult T. rex 5000 kg
  • Discovery location Montana, US
  • Excavation 30 August to 8 September 2013