Cordaitales

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	Definition:		[n]  extinct plants having tall arborescent trunks comparable to or more advanced than cycads; known from the Pennsylvanian; probably extinct since the Mesozoic
	Synonyms:		order Cordaitales
	See Also:		class Coniferopsida, Coniferophyta, Coniferophytina, Coniferopsida, Cordaitaceae, family Cordaitaceae, plant order, subdivision Coniferophytina