Several wingless hexapods are known as bristletails:
; Class Insecta
: Order Archaeognatha (or Microcoryphia) – insect order that includes the jumping bristletails and rock bristletails
: Order Zygentoma – insect order that includes silverfish, firebrats, and allies
; Class Entognatha
: Order Diplura – the two-pronged bristletails
; Other
: Thysanura – deprecated insect order of silverfish and allies, now separated into Zygentoma and Archeognatha