cordaitales

• Ordre éteint de plantes à tronc élevé, en forme d'arbre, comparables aux cycadophytes ou plus avancées, connu du Pennsylvanien et probablement éteint depuis l'ère mésozoïque.

An extinct order of plants with tall, tree-like trunks that were comparable to or more advanced than cycads, known from the Pennsylvanian period and probably extinct since the Mesozoic era.

nom propre

1. Extinct gymnosperm orderC2formalscientific

   An extinct order of woody plants from the Pennsylvanian period, with tall trunks and strap-shaped leaves, considered ancestors of modern conifers.

   Cordaitales

   • Cordaitales dominated the coal-forming forests of the Carboniferous period.
   • Fossilized Cordaitales trunks are found in many Pennsylvanian rock formations.
   • The reproductive structures of Cordaitales resemble those of early conifers.