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Prehistoric Life

How long was Kronosaurus queenslandicus?

An adult Kronosaurus queenslandicus had a body length of about 10.5 m (34 ft).

What is measured: adult marine reptile, body length

Kronosaurus queenslandicus (10.5 m) drawn to scale beside a 20-foot shipping container (6.06 m) and a city bus (12 m)
Drawn to scale, from left to right: Shipping container (20 ft) (6.06 m), Kronosaurus queenslandicus (10.5 m) and City bus (12 m).

Compare

How big is that, really?

  • About the same length as a city bus
  • About 1.7× as long as a 20-foot shipping container
  • About 2 would fit end to end along a tennis court
  • About 4 would fit end to end along an Olympic swimming pool
  • About 10 would fit end to end along a football (soccer) pitch

Learn

Facts about Kronosaurus queenslandicus

Kronosaurus was a short-necked pliosaur with a massive skull and powerful, paddle-like limbs.

Source: Australian Museum, Kronosaurus; Queensland Museum, Kronosaurus

Prehistoric Life

NameSizeCompared with Kronosaurus queenslandicus
Parasaurolophus walkeri9.5 m (31 ft)0.9×
Allosaurus fragilis9.7 m (32 ft)0.92×
Therizinosaurus cheloniformis10 m (33 ft)0.95×
Hatzegopteryx thambema10 m (33 ft)0.95×
Amargasaurus cazaui10 m (33 ft)0.95×
Tarbosaurus bataar10 m (33 ft)0.95×
Elasmosaurus platyurus10.3 m (34 ft)0.98×
Kronosaurus queenslandicus10.5 m (34 ft)this page
Deinocheirus mirificus11 m (36 ft)1×
Suchomimus tenerensis11 m (36 ft)1×

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