Definition of Thysanura in English:

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Pronunciation: /ˌTHīsəˈn(y)o͝orə/
1An order of insects that comprises the true, or three-pronged, bristletails.
Example sentences
  • There are huge gaps in the early fossil record, since several basal hexapod groups have not been found at all in the Paleozoic: Protura, Diplura, and Thysanura.
  • The database is being filled by chronological input from Thysanura literature on hand.
  • The amber also contains an insect of particularly ancient origin, a bristletail, a member of insect Order Thysanura.
1.1 (as plural noun thysanura) Insects of the order Thysanura; bristletails.
Example sentences
  • The Thysanura are widely distributed throughout warmer parts of the world.
  • The Thysanura are primitive insects, wingless and with lengthened body that usually live in sheltered places avoiding the direct sunlight.



noun& adjective
Example sentences
  • For that matter, mayflies are not morphologically so different from thysanurans that we can reject Nardi's suggestion out of hand.
  • Domestic species of thysanurans have the potential to cause extensive damage to household goods.
  • Molting may continue into adulthood, and there may be more than forty molts in the life of a thysanuran.


Modern Latin (plural), from Greek thusanos 'tassel' + oura 'tail'.

For editors and proofreaders

Syllabification: Thy·sa·nu·ra

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