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Freebase Commons Metaweb System Types /type

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Freebase Commons Common /common

  • The Pterygota are a subclass of insects that includes the winged insects. It also includes insect orders that are secondarily wingless. The pterygotan group comprises almost all insects. The hexapod orders not included are the Archaeognatha and the Thysanura, two primitively wingless insect orders. Also not included are the three orders no longer considered to be insects: Protura, Collembola, and Diplura. Wikipedia

Freebase Commons Biology /biology

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