Biology, asked by faiyajansari725, 10 months ago

Tge name cordaites was originally use for which organ

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Answered by vedantkhanna00752
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Answer:

Cordaitales

Thomas N. Taylor, ... Michael Krings, in Paleobotany (Second Edition), 2009

Stems

Although the generic name Cordaites was originally instituted for foliage (Unger, 1850) (FIG. 20.2), it has also been used for structurally preserved stems and for the entire plant (Wilson and Johnston, 1940; Cohen and Delevoryas, 1959). Cordaixylon (Grand’Eury, 1877; Rothwell and Warner, 1984; Trivett, 1992) and Pennsylvanioxylon (Vogellehner, 1965; Costanza, 1985; Tian and Wang, 1987, 1988; S.-J. Wang, 1997, 1998) are two of the generic names specifically given to anatomically preserved stems that earlier were referred to as Cordaites. Distinguishing Pennsylvanioxylon from Cordaixylon, however, appears to be difficult. Because of the apparent uncertainties with regard to the differences between the two taxa, S.-J. Wang et al. (2003b) refer to the stems in a more informal way as Cordaixylon–Pennsylvanioxylon. Impression–compression fossils of cordaitalean branches and twigs with helically arranged leaf scars are usually assigned to the morphogenus Cordaicladus....

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