The Collaborative International Dictionary of English v.0.48:

Phasmatodea \Phasmatodea\ n.
   1. in some classifications considered a suborder of
      Orthoptera: stick insects; leaf insects.

   Syn: Phasmida, order Phasmida, order Phasmatodea.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Phasmatodea
    n 1: in some classifications considered a suborder of
         Orthoptera: stick insects; leaf insects [syn: Phasmida,
         order Phasmida, Phasmatodea, order Phasmatodea]