Cordaitales

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:

  Cordaitales
       n : 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}]