LAS ESPECIES DE NOTHOFAGIDITES (POLEN FOSIL DE NOTHOFAGUS) DE SEDIMENTOS TERCIARIOS Y CRETACICOS DE ESTANCIA LA SARA, NORTE DE TIERRA DEL FUEGO, ARGENTINA

Authors

  • Carlos A Menendez
  • Marta A Caccavari De Felice

Abstract

Several Nothofagidites species (fossil grains of Nothofagus) have been described from Tertiary and Cretaceous sediments of a bore located in Tierra de! Fuego aproximately 14 kilometers south of the San Sebastian bay in Estancia La Sara. The first record of fossil pollen grains of Nothofagus be!ong to the Upper Cretaceous sediments at 1607 m depth, The described species of the Nothofagus "fusca group" are: Nothofagidites d. uiaipatoensis Couper, N. rocaensis Romero and two new species N. saraensis and N. fortispinulosus, of the "menziesi group". N. suggatei and N. asperus and of the "brassi group" N. kaitangatus TePunga, N. cranuiellae Couper, N. dorotensis Romero, N. uisserensis Romero, and five new species: N. fuegiensis, N. paucispinulosus, N. anisoechinatus, N. acromegacantbus and N. bystricospberoides.

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Published

2013-08-27

Issue

Vol. 12 No. 2

Section

Articles

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How to Cite

LAS ESPECIES DE NOTHOFAGIDITES (POLEN FOSIL DE NOTHOFAGUS) DE SEDIMENTOS TERCIARIOS Y CRETACICOS DE ESTANCIA LA SARA, NORTE DE TIERRA DEL FUEGO, ARGENTINA. (2013). Ameghiniana, 12(2), 165-183. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/1464