UNA NUEVA ESPECIE DEL GENERO ARAUCARIOXYLON KRAUS 1870, EMEND. MAHESHWARI 1972 DELTRIASICO DE AGUA DE LA ZORRA, USPALLATA, MENDOZA, ARGENTINA
AbstractPetrified wood of a new species of Araucarioxylon has been described from Triassic sediments of Agua de la Zorra, Uspallata, Mendoza province, Argentina. The description of this fossil is based on anatomically preserved stems. The secondary xylem shows conspicuos growth rings. Pitting on the radial and tangencial walls of the tracheids is bordered. Rays are low, uniseriate. Three to nine bordered pits are present in the cross fields. The comparisons of these fossils with an other conifers stems and their paleoclimatic evidence are also analyzed.
How to Cite
Authors publishing in Ameghiniana have the option of making their article freely available online. Authors opting for the Open Access must pay a fee of $300 (US dollars) to cover article-processing costs and to ensure the article is made open access. Please contact the Production Team after the acceptance of your manuscript if you are interested in making your article Open Access. This option implies by default a license Creative Commons Attribution Non-Commercial-NoDerivs License (CC BY NC ND). If your funding institution requires a different licensing option please communicate this to the Production Team after the acceptance of your manusctipt.