Thysanura

Definition

An order of primitive, wingless insects characterized by elongated bodies, long antennae, and three long tail-like appendages. Historically recognized as Thysanura, but now often classified under Zygentoma.

Etymology

From Greek 'thysanos', meaning 'tassel' or 'fringe', and 'oura', meaning 'tail', referring to the bristle-like structures on their abdomen.

Example

Members of the Thysanura order, such as silverfish and firebrats, are often found in dark, humid environments.

Related Terms

• Silverfish
• Firebrats
• Zygentoma
• Insecta

Usage Notes

The order Thysanura has been historically recognized, but modern classifications often place these insects in the order Zygentoma.