LA FAUNA DEL ORDOVICICO (ASHGILLIANO) DE VILLICUN, SAN JUAN, ARGENTINA. (BRACHIOPODA)

Authors

  • Regina Levy
  • Francisco Nullo

Abstract

Five brachiopod genera of Asghillian age are described from Sierra de Villicún, San Juan Province: Fascijera, Arenortbis, Bagnorthis nov. gen., Kjaerina (Neokiaerina) nov. subgen., and Villieundella nov. gen. This is the first mention of Asghillian beds in South America, and consequently in Argentine. Villicundella is believed to have given rise to the subfamily Proschizophoriinae. Sphenophragmus is removed from the Draboviinae, and together with Bagnorthis and Schizophoria is assigned to the Schizophoriinae. Schizophoriiane are believed to be derived from Bagnorthis, the oldest member of the subfamily. Arenorthis is removed from the subfamilily Heterorthinae, and is included in the Prosphoriinae by the morphology of the pedide muscle field. The subgenus Neokjaerina is considered an ancestor of Kjaerina (Kiaerina).

Downloads

Published

2013-08-25

Issue

Vol. 11 No. 2

Section

Articles

License

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.

How to Cite

LA FAUNA DEL ORDOVICICO (ASHGILLIANO) DE VILLICUN, SAN JUAN, ARGENTINA. (BRACHIOPODA). (2013). Ameghiniana, 11(2), 173-194. https://ameghiniana.org.ar/index.php/ameghiniana/article/view/1435