New taxa in the Paleocene flora from the Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctica.
Fil: Iglesias, Ari. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Río Negro, Argentina. Fil: Gallardo, Rocio. Universidad Nacional del Comahue (CRUB-UNCO). Centro Regional Universitario Bariloche. Río Negro, Argentina. Fil: Pipo, Maria L....
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ftunivnrionegro:oai:rid.unrn.edu.ar:20.500.12049/5268 2023-05-15T13:43:24+02:00 New taxa in the Paleocene flora from the Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctica. Iglesias, Ari Gallardo, Rocío Pipo, Maria L. Santillana, Sergio Talevi, Marianella 2019-11 application/pdf https://rid.unrn.edu.ar/jspui/handle/20.500.12049/5268 https://hdl.handle.net/20.500.12049/5268 https://rcapa2019.fcnym.unlp.edu.ar/ en eng Reunión anual de comunicaciones de la Asociación Paleontológica Argentina. La Plata, Noviembre 2019. https://drive.google.com/file/d/1GD1JuTAhP1uoQTdE-kklaj5J5Yieo-4Z/view https://rcapa2019.fcnym.unlp.edu.ar/ https://rid.unrn.edu.ar/jspui/handle/20.500.12049/5268 info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/4.0/ CC-BY-NC-SA Flora Paleocene Cross Valley-Wiman Formation 2019 ftunivnrionegro https://doi.org/20.500.12049/5268 2023-01-24T14:45:01Z Fil: Iglesias, Ari. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Río Negro, Argentina. Fil: Gallardo, Rocio. Universidad Nacional del Comahue (CRUB-UNCO). Centro Regional Universitario Bariloche. Río Negro, Argentina. Fil: Pipo, Maria L. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Río Negro, Argentina. Fil: Santillana, Sergio. Instituto Antártico Argentino. Buenos Aires, Argentina. Fil: Talev, Marianella. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina. Fil: Iglesias, Ari. Consejo Nacional de Investigaciones Científicas y Técnicas. Buenos Aires, Argentina. Fil: Talev, Marianella. Consejo Nacional de Investigaciones Científicas y Técnicas. Buenos Aires, Argentina. The Paleocene at the Marambio Island (James Ross basin) is represented by three marine sedimentary units. The uppermost unit corresponds to the Cross Valley-Wiman Formation (CVWF), which overlies previous units by a strong erosive discordance. Contrary to the underlayed units, the CVWF is characterized by the preservation of a rich flora of compressions and petrifications; preserving leaves and seeds at it uppermost section (Bahía Pingüino Allomember), that corresponds to lagoon or protected bay facies and which age has been dated as upper Paleocene (C25n, Thanetian). Its fossil records are known since the Dusén studies from 1908, who proposed 87 leaf taxa. Despite its Southern Hemisphere importance, few studies has revised the plant type materials, recognizing a richness reduction from the originally proposed to three fern species, two conifers, and 14 angiosperms. New Argentina field works has permitted identify the 19 previous taxa, recognized two more from Dusén (Mollinedia seymourensis and Phyllites sp. 14), and adds seven new findings (a fertile fern, a filmy fern, and five angiosperms). The unbiased collection of 282 exemplars allows to measure ... Other/Unknown Material Antarc* Antarctica Instituto Antártico Argentino Seymour Island RID-UnRN - Repositorio Institucional Digital Universidad Nacional de Río Negro Argentina Argentino Ari ENVELOPE(147.813,147.813,59.810,59.810) Bahía Pingüino ENVELOPE(-36.233,-36.233,-54.333,-54.333) Cross Valley ENVELOPE(-56.683,-56.683,-64.258,-64.258) Marambio ENVELOPE(-56.750,-56.750,-64.283,-64.283) Pingüino ENVELOPE(-56.650,-56.650,-64.266,-64.266) Seymour ENVELOPE(-56.767,-56.767,-64.283,-64.283) Seymour Island ENVELOPE(-56.750,-56.750,-64.283,-64.283) |
institution |
Open Polar |
collection |
RID-UnRN - Repositorio Institucional Digital Universidad Nacional de Río Negro |
op_collection_id |
ftunivnrionegro |
language |
English |
topic |
Flora Paleocene Cross Valley-Wiman Formation |
spellingShingle |
Flora Paleocene Cross Valley-Wiman Formation Iglesias, Ari Gallardo, Rocío Pipo, Maria L. Santillana, Sergio Talevi, Marianella New taxa in the Paleocene flora from the Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctica. |
topic_facet |
Flora Paleocene Cross Valley-Wiman Formation |
description |
Fil: Iglesias, Ari. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Río Negro, Argentina. Fil: Gallardo, Rocio. Universidad Nacional del Comahue (CRUB-UNCO). Centro Regional Universitario Bariloche. Río Negro, Argentina. Fil: Pipo, Maria L. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Río Negro, Argentina. Fil: Santillana, Sergio. Instituto Antártico Argentino. Buenos Aires, Argentina. Fil: Talev, Marianella. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina. Fil: Iglesias, Ari. Consejo Nacional de Investigaciones Científicas y Técnicas. Buenos Aires, Argentina. Fil: Talev, Marianella. Consejo Nacional de Investigaciones Científicas y Técnicas. Buenos Aires, Argentina. The Paleocene at the Marambio Island (James Ross basin) is represented by three marine sedimentary units. The uppermost unit corresponds to the Cross Valley-Wiman Formation (CVWF), which overlies previous units by a strong erosive discordance. Contrary to the underlayed units, the CVWF is characterized by the preservation of a rich flora of compressions and petrifications; preserving leaves and seeds at it uppermost section (Bahía Pingüino Allomember), that corresponds to lagoon or protected bay facies and which age has been dated as upper Paleocene (C25n, Thanetian). Its fossil records are known since the Dusén studies from 1908, who proposed 87 leaf taxa. Despite its Southern Hemisphere importance, few studies has revised the plant type materials, recognizing a richness reduction from the originally proposed to three fern species, two conifers, and 14 angiosperms. New Argentina field works has permitted identify the 19 previous taxa, recognized two more from Dusén (Mollinedia seymourensis and Phyllites sp. 14), and adds seven new findings (a fertile fern, a filmy fern, and five angiosperms). The unbiased collection of 282 exemplars allows to measure ... |
author |
Iglesias, Ari Gallardo, Rocío Pipo, Maria L. Santillana, Sergio Talevi, Marianella |
author_facet |
Iglesias, Ari Gallardo, Rocío Pipo, Maria L. Santillana, Sergio Talevi, Marianella |
author_sort |
Iglesias, Ari |
title |
New taxa in the Paleocene flora from the Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctica. |
title_short |
New taxa in the Paleocene flora from the Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctica. |
title_full |
New taxa in the Paleocene flora from the Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctica. |
title_fullStr |
New taxa in the Paleocene flora from the Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctica. |
title_full_unstemmed |
New taxa in the Paleocene flora from the Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctica. |
title_sort |
new taxa in the paleocene flora from the cross valley-wiman formation, marambio (=seymour) island, antarctica. |
publishDate |
2019 |
url |
https://rid.unrn.edu.ar/jspui/handle/20.500.12049/5268 https://hdl.handle.net/20.500.12049/5268 https://rcapa2019.fcnym.unlp.edu.ar/ |
long_lat |
ENVELOPE(147.813,147.813,59.810,59.810) ENVELOPE(-36.233,-36.233,-54.333,-54.333) ENVELOPE(-56.683,-56.683,-64.258,-64.258) ENVELOPE(-56.750,-56.750,-64.283,-64.283) ENVELOPE(-56.650,-56.650,-64.266,-64.266) ENVELOPE(-56.767,-56.767,-64.283,-64.283) ENVELOPE(-56.750,-56.750,-64.283,-64.283) |
geographic |
Argentina Argentino Ari Bahía Pingüino Cross Valley Marambio Pingüino Seymour Seymour Island |
geographic_facet |
Argentina Argentino Ari Bahía Pingüino Cross Valley Marambio Pingüino Seymour Seymour Island |
genre |
Antarc* Antarctica Instituto Antártico Argentino Seymour Island |
genre_facet |
Antarc* Antarctica Instituto Antártico Argentino Seymour Island |
op_relation |
Reunión anual de comunicaciones de la Asociación Paleontológica Argentina. La Plata, Noviembre 2019. https://drive.google.com/file/d/1GD1JuTAhP1uoQTdE-kklaj5J5Yieo-4Z/view https://rcapa2019.fcnym.unlp.edu.ar/ https://rid.unrn.edu.ar/jspui/handle/20.500.12049/5268 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/4.0/ |
op_rightsnorm |
CC-BY-NC-SA |
op_doi |
https://doi.org/20.500.12049/5268 |
_version_ |
1766188658667290624 |