cordaitales

• رتبة منقرضة من النباتات البذرية البدائية ذات سيقان طويلة شبيهة بالأشجار، عاشت من العصر البنسلفاني وربما حتى العصر الوسيط، وتشبه في مظهرها السرخسيات البذرية أو السيكاديات.

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.

اسم علم

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.

   كوردايتاليس

   • 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.