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Prehistoric Life

How long was Dreadnoughtus schrani?

An adult Dreadnoughtus schrani had a body length of about 26 m (85 ft).

What is measured: adult, estimated body length

Dreadnoughtus schrani (26 m) drawn to scale beside a city bus (12 m) and the Statue of Liberty (93 m)
Drawn to scale, from left to right: City bus (12 m), Dreadnoughtus schrani (26 m) and Statue of Liberty (93 m).

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How big is that, really?

  • About the same length as a tennis court
  • About 52% of the length of an Olympic swimming pool
  • As long as about 2 city buses end to end
  • About 4 would fit end to end along a football (soccer) pitch
  • As long as about 4 20-foot shipping containers end to end

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Facts about Dreadnoughtus schrani

Dreadnoughtus is known from an unusually complete skeleton of a gigantic titanosaur found in Argentina.

Source: Carnegie Museum of Natural History, Dreadnoughtus schrani; Scientific American, Dreadnoughtus: The Most Complete Giant Dinosaur

Prehistoric Life

NameSizeCompared with Dreadnoughtus schrani
Brachiosaurus altithorax13 m (43 ft)0.5×
Titanoboa cerrejonensis13 m (43 ft)0.5×
Livyatan melvillei13.5 m (44 ft)0.52×
Giraffatitan brancai13.5 m (44 ft)0.52×
Basilosaurus cetoides18 m (59 ft)0.69×
Sauroposeidon proteles18 m (59 ft)0.69×
Mamenchisaurus hochuanensis22 m (72 ft)0.85×
Apatosaurus louisae22 m (72 ft)0.85×
Dreadnoughtus schrani26 m (85 ft)this page
Lepidodendron30 m (98 ft)1.2×

Test your sense of scale

Which is bigger: Dreadnoughtus schrani or Basilosaurus cetoides?

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