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Prehistoric Life

How long was Saurolophus osborni?

An adult Saurolophus osborni had a total length of about 12 m (39 ft).

What is measured: Adult, total body length

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

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How big is that, really?

  • About the same length as a city bus
  • About 50% of the length of a tennis court
  • About 2× as long as a 20-foot shipping container
  • About 4 would fit end to end along an Olympic swimming pool
  • About 8 would fit end to end along a football (soccer) pitch

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Facts about Saurolophus osborni

Saurolophus had a long hollow crest extending backward from its skull, whose exact function remains debated.

Source: Royal Tyrrell Museum, “Saurolophus”; Encyclopaedia Britannica, “Saurolophus”

Prehistoric Life

NameSizeCompared with Saurolophus osborni
Kronosaurus queenslandicus10.5 m (34 ft)0.88×
Deinocheirus mirificus11 m (36 ft)0.92×
Suchomimus tenerensis11 m (36 ft)0.92×
Mosasaurus hoffmannii12 m (39 ft)same size
Saurolophus osborni12 m (39 ft)this page
Mapusaurus roseae12.2 m (40 ft)1×
Brachiosaurus altithorax13 m (43 ft)1.1×
Titanoboa cerrejonensis13 m (43 ft)1.1×
Livyatan melvillei13.5 m (44 ft)1.1×
Giraffatitan brancai13.5 m (44 ft)1.1×

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