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Prehistoric Life

How long was Eoraptor lunensis?

An adult Eoraptor lunensis had a body length of about 1 m (3 ft 3 in).

What is measured: adult, estimated body length

Eoraptor lunensis (1 m) drawn to scale beside a bowling pin (38.1 cm) and an adult person (1.7 m)
Drawn to scale, from left to right: Bowling pin (38.1 cm), Eoraptor lunensis (1 m) and Adult person (1.7 m).

Compare

How big is that, really?

  • About 59% of the height of an adult person
  • About 6 would fit end to end along a 20-foot shipping container
  • About 50% of the height of a doorway
  • About 2.6× the height of a bowling pin
  • As long as about 12 credit cards end to end

Learn

Facts about Eoraptor lunensis

Eoraptor lived in Argentina about 230 million years ago and is among the earliest known dinosaurs.

Source: Natural History Museum, Eoraptor; The Dinosauria, Eoraptor lunensis

Prehistoric Life

NameSizeCompared with Eoraptor lunensis
Anomalocaris canadensis1 m (3 ft 3 in)same size
Diplocaulus magnicornis1 m (3 ft 3 in)same size
Eoraptor lunensis1 m (3 ft 3 in)this page
Australopithecus afarensis1.1 m (3 ft 7 in)1.1×
Smilodon1.2 m (3 ft 11 in)1.2×
Sinosauropteryx prima1.2 m (3 ft 11 in)1.2×
Heterodontosaurus tucki1.2 m (3 ft 11 in)1.2×
Smilodon fatalis1.2 m (3 ft 11 in)1.2×
Thylacosmilus atrox1.2 m (3 ft 11 in)1.2×
Compsognathus longipes1.25 m (4 ft 1 in)1.3×

Test your sense of scale

Which is bigger: Eoraptor lunensis or Smilodon?

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