EL GENERO ANNAMITELLA MANSUY, 1920 (TRILOBITA, LEIOSTEGIIDAE) EN EL ORDOVICICO DE LA PRECORDILLERA ARGENTINA
AbstractTHE GENUS ANNAMITELLA MONSUY, 1920 (TRILOBITA, LEIOSTEGIIDAE) IN THE ORDOVICIAN OF ARGENTINE PRECORDILLERA. The stratigraphical distribution of the three species of the genus Annamitella is established along the Ordovician San Juan and Gualcamayo Formations. The specimens were collected from several localities of the Precordillera Basin, Western Argentina. Two new species of the genus Annamitella, A. harringtoni n. sp. and A. forteyi n. sp. are described and illustrated. Annamitella tellecheai (Rusconi) is reviewed and figured. The age of A. tellecheai Zone is discussed and the biostratigraphic significance of the species herein described is 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.