Triceratops on display in Paris

Big John, the largest known Triceratops skeleton, is due to go under the hammer at Drouot auction house in Paris in October

Big John could fetch up to $1.7 million

Horns: 1.09 metres long, could withstand 16 tonnes of pressure

More than 200 bones have been pieced together to create 66-million-year-old herbivore fossil
   
Skull: Measures 2.62 metres long and 2.01 metres wide, 75% complete

Big John stretches 7.9 metres from tip to tail


World’s most expensive fossil

Oct 2020: 67-million-year-old Tyrannosaurus rex specimen named Stan, is auctioned by Christie’s for $31.85 million

Oct 1997: T. rex specimen namedSue, auctioned by Sotheby’s, sells for $8.36 million (equivalent to $13.5m today)

Stan: Head is in pristine condition, with teeth more than 28cm long
 

Sources: Euronews, Reuters, New York Times
Pictures: Getty Images 
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