'Cordaitales' definitions:

Definition of 'Cordaitales'

From: WordNet
noun
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]

Definition of 'Cordaitales'

From: 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]

Words containing 'Cordaitales'