Hallazgo de radiolarios del Paleogeno en la Isla Grande de Tierra del Fuego, Argentina

Authors

  • Gabriel Eugenio Jannou
  • Eduardo Olivero

Abstract

The finding of two assemblages of well preserved radiolarians, one from Punta Gruesa and the other from Cabo Irigoyen-Arrayo Vasco area, on the Atlantic coast, Tierra del Fuego Island, is reported. The former contains: Amphicraspedum sp. d. A. murrayanum Haeckel, Buryella dumitricai (Petrushevskaya), Orbiculiforma renillaeformis (Campbell and Clark), and Corythomelissa adunca (Sanfilippo and Riedel) among the most representantive species, its age is constrained to Late Paleocene-Early Eocene. The latter assemblage contains Theocotyle (Theocotylissa) ficus (Ehrenberg), Amphisphaera macrosphaera (Nishimura), Buryella tetradica Foreman, and Spcngurus bilobatus Clark and Campbell, its age is Early Eocene in agreement with the associated planktonic foraminifera. Both assemblages contain Heliostylus sp., Mita sp., and Stylosphaera minor Clark and Campbell.

Downloads

Published

2014-02-20

Issue

Vol. 38 No. 3

Section

Paleontological Notes

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

Hallazgo de radiolarios del Paleogeno en la Isla Grande de Tierra del Fuego, Argentina. (2014). Ameghiniana, 38(3), 317-320. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2617