'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]