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Revista Brasileira de Paleontologia
Article . 2011 . Peer-reviewed
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Nuevas especies de palinomorfos de las formaciones San José y Chiquimil (Mioceno medio y superior), Noroeste de Argentina

Authors: Lilia René Mautino;

Nuevas especies de palinomorfos de las formaciones San José y Chiquimil (Mioceno medio y superior), Noroeste de Argentina

Abstract

NEW PALYNOLOGICAL SPECIES FROM THE SAN JOSE AND CHIQUIMIL FORMATIONS (MIDDLE AND UPPER MIOCENE), NORTHWESTERN OF ARGENTINA. In this contribution are described taxonomically six new species of pollen of magnoliophytes from the San Jose and Chiquimil formations (middle and upper Miocene), Northwest of Argentina, as follow: Spinitricolpites anzoteguii sp. nov. and Periporopollenites vivianae sp. nov. (both Cactaceae), Retitetracolpites columelae sp. nov. (Nyctaginaceae), Areolipollis pirenii sp. nov. and A. insularis sp. nov. (both Acanthaceae) and Chenopodipollis minima sp. nov. (Amaranthaceae). The modern genus Trichocereus (A. Berger) Riccob., Echinopsis Zucc. and Opuntia Mill. (Cactaceae), Boungainvillea Comm. ex Juss. (Nyctaginaceae) and Justicia L. (Acanthaceae) are mentioned for the first time for the Paleocene-Pliocene interval in Argentina. The new species are included in paleocommunities that they would have integrated. RESUMO - Nesta contribuicao sao descritas, taxonomicamente, seis especies novas de graos de polen de magnoliofitas provenientes das formacoes San Jose e Chiquimil (Mioceno medio e superior), Noroeste da Argentina, como segue: Spinitricolpites anzoteguii sp. nov. e Periporopollenites vivianae sp. nov. (ambas Cactaceae), Retitetracolpites columelae sp. nov. (Nyctaginaceae), Areolipollis pirenii sp. nov. e A. insularis sp. nov. (ambas Acanthaceae) e Chenopodipollis minima sp. nov. (Amaranthaceae). Os generos atuais Trichocereus (A. Berger) Riccob., Echinopsis Zucc. y Opuntia Mill. (Cactaceae), Boungainvillea Comm. ex Juss. (Nyctaginaceae) e Justicia L. (Acanthaceae) sao citados pela primera vez para para o intervalo Paleoceno-Plioceno na Argentina. As novas especies sao incluidas nas paleocomunidades vegetais das quais elas teriam participado.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
10
Top 10%
Top 10%
Average
gold
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