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Prehistoric Life

Ottoia prolifica曾经有多长？

Ottoia prolifica体长约 8 cm (3.15 in)。

测量内容：Burgess Shale worm, body length

Ottoia prolifica（8 cm）与a large coin（2.4 cm）和a smartphone（14.7 cm）按真实比例并排绘制
按比例绘制，从左到右依次是：Large coin (2.4 cm)、Ottoia prolifica (8 cm)和Smartphone (14.7 cm)。

比较

它实际有多大？

  • About the same length as a credit card
  • About 54% of the height of a smartphone
  • About 3.3× the width of a large coin
  • As long as about 11 grains of rice end to end
  • About 21% of the height of a bowling pin

了解更多

关于Ottoia prolifica的资料

Ottoia was a burrowing priapulid worm from the Cambrian Burgess Shale, and fossils preserve its toothed throat in some specimens.

来源：Royal Ontario Museum — Ottoia prolifica; Smithsonian National Museum of Natural History — Burgess Shale fossils

Prehistoric Life

名称尺寸与Ottoia prolifica对比
Elrathia kingi2 cm (0.79 in)0.25×
Marrella splendens2.5 cm (0.98 in)0.31×
Eldredgeops rana5 cm (1.97 in)0.63×
Pikaia gracilens5 cm (1.97 in)0.63×
Titanomyrma giganteum5 cm (1.97 in)0.63×
Tribrachidium heraldicum5 cm (1.97 in)0.63×
Cooksonia pertoni6.5 cm (2.56 in)0.81×
Ottoia prolifica8 cm (3.15 in)本页面
Olenoides serratus10 cm (3.94 in)1.3×
Dickinsonia costata14 cm (5.51 in)1.8×

测测你的尺度感

哪个更大：Ottoia prolifica还是Cooksonia pertoni？

主题

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