The Collaborative International Dictionary of English v.0.48:

Phallales \Phallales\ prop. n.
   An order of fungi comprising the stinkhorns and related forms
   whose mature hymenium is slimy and fetid; sometimes placed in
   the subclass Homobasidiomycetes.

   Syn: order Phallales.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Phallales
    n 1: order of fungi comprising the stinkhorns and related forms
         whose mature hymenium is slimy and fetid; sometimes placed
         in subclass Homobasidiomycetes [syn: Phallales, order
         Phallales]