en
Download

Prehistoric Life

How long was Pulmonoscorpius kirktonensis?

An adult Pulmonoscorpius kirktonensis had a total length of about 70 cm (2 ft 4 in).

What is measured: adult, total body length

Pulmonoscorpius kirktonensis (70 cm) 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), Pulmonoscorpius kirktonensis (70 cm) and Adult person (1.7 m).

Compare

How big is that, really?

  • About 1.8× the height of a bowling pin
  • About 41% of the height of an adult person
  • As long as about 8 credit cards end to end
  • About 8 would fit end to end along a 20-foot shipping container
  • About 35% of the height of a doorway

Learn

Facts about Pulmonoscorpius kirktonensis

Pulmonoscorpius was a Carboniferous scorpion from Scotland that may have reached roughly 70 centimeters long.

Source: National Museums Scotland — Pulmonoscorpius fossil specimen; University of Edinburgh — Scotland’s fossil scorpions

Prehistoric Life

NameSizeCompared with Pulmonoscorpius kirktonensis
Archaeopteryx50 cm (1 ft 8 in)0.71×
Yi qi60 cm (2 ft)0.86×
Thylacinus cynocephalus60 cm (2 ft)0.86×
Leaellynasaura amicagraphica60 cm (2 ft)0.86×
Acanthostega gunnari60 cm (2 ft)0.86×
Meganeura monyi70 cm (2 ft 4 in)same size
Pulmonoscorpius kirktonensis70 cm (2 ft 4 in)this page
Confuciusornis sanctus70 cm (2 ft 4 in)same size
Microraptor gui77 cm (2 ft 6 in)1.1×
Anomalocaris canadensis1 m (3 ft 3 in)1.4×

Test your sense of scale

Which is bigger: Pulmonoscorpius kirktonensis or Archaeopteryx?

Topics

More sizes like this