Cordaitales

from WordNet (r) 3.0 (2006)

Cordaitales
    n 1: extinct plants having tall arborescent trunks comparable to
         or more advanced than cycads; known from the Pennsylvanian
         period; probably extinct since the Mesozoic era [syn:
         {Cordaitales}, {order Cordaitales}]

from The Collaborative International Dictionary of English v.0.48

Cordaitales \Cordaitales\ n.
   an order of extinct plants having tall arborescent trunks
   comparable to or more advanced than cycads; known from the
   Pennsylvanian; probably extinct since the Mesozoic.

   Syn: order {Cordaitales}.
        [WordNet 1.5]

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