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Prehistoric Life

How long was Chimerarachne yingi?

An adult Chimerarachne yingi had a body length of about 2.5 mm (0.1 in).

What is measured: adult, body length

Chimerarachne yingi (2.5 mm) drawn to scale beside a raindrop (2 mm) and a grain of rice (7 mm)
Drawn to scale, from left to right: Raindrop (2 mm), Chimerarachne yingi (2.5 mm) and Grain of rice (7 mm).

Compare

How big is that, really?

  • About 2 would fit end to end along a grain of rice
  • About 1.3× the width of a raindrop
  • About 5× the width of a grain of sand
  • About 9 would fit across a large coin
  • About 22× the width of a human egg cell

Learn

Facts about Chimerarachne yingi

Chimerarachne was an amber-preserved arachnid with a spider-like body and a long, unusual tail.

Source: Nature, A Cretaceous arachnid with both spider and whip-spider characters; University of Kansas Biodiversity Institute, Chimerarachne yingi

Prehistoric Life

NameSizeCompared with Chimerarachne yingi
Saccorhytus coronarius1.5 mm0.6×
Chimerarachne yingi2.5 mm (0.1 in)this page
Elrathia kingi2 cm (0.79 in)8×
Marrella splendens2.5 cm (0.98 in)10×
Eldredgeops rana5 cm (1.97 in)20×
Pikaia gracilens5 cm (1.97 in)20×
Titanomyrma giganteum5 cm (1.97 in)20×
Tribrachidium heraldicum5 cm (1.97 in)20×
Cooksonia pertoni6.5 cm (2.56 in)26×
Ottoia prolifica8 cm (3.15 in)32×

Test your sense of scale

Which is bigger: Chimerarachne yingi or Saccorhytus coronarius?

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