Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica
The La Meseta Formation crops out in Seymour/Marambio Island, Weddell Sea, northeast of the Antarctic Peninsula and contains one of the world's most diverse assemblages of Weddellian marine/coastal verte-brates of Early Eocene (Ypresian) age. The La Meseta Formation is composed of poorly consol...
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Universidad Nacional Mayor de San Marcos
2013
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Online Access: | https://doi.org/10.15381/rpb.v19i3.1006 https://doaj.org/article/1615f3350eeb48fb9f3a3a222c734528 |
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ftdoajarticles:oai:doaj.org/article:1615f3350eeb48fb9f3a3a222c734528 2023-05-15T14:02:45+02:00 Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica Marcelo A. Reguero Sergio A. Marenssi Sergio N. Santillana 2013-06-01T00:00:00Z https://doi.org/10.15381/rpb.v19i3.1006 https://doaj.org/article/1615f3350eeb48fb9f3a3a222c734528 EN ES eng spa Universidad Nacional Mayor de San Marcos http://revistasinvestigacion.unmsm.edu.pe/index.php/rpb/article/view/1006 https://doaj.org/toc/1561-0837 https://doaj.org/toc/1727-9933 1561-0837 1727-9933 doi:10.15381/rpb.v19i3.1006 https://doaj.org/article/1615f3350eeb48fb9f3a3a222c734528 Revista Peruana de Biología, Vol 19, Iss 3, Pp 275-284 (2013) Antártida Isla Seymour Eoceno temprano (Ypresiano) Formación La Meseta Alomiembro CucullaeaI Vertebrados Paleobiogeografía Science Q Biology (General) QH301-705.5 article 2013 ftdoajarticles https://doi.org/10.15381/rpb.v19i3.1006 2023-01-08T01:30:51Z The La Meseta Formation crops out in Seymour/Marambio Island, Weddell Sea, northeast of the Antarctic Peninsula and contains one of the world's most diverse assemblages of Weddellian marine/coastal verte-brates of Early Eocene (Ypresian) age. The La Meseta Formation is composed of poorly consolidated, marine sandstones and siltstones which were deposited in a coastal, deltaic and/or estuarine environment. It includes marine invertebrates and vertebrates as well as terrestrial vertebrates and plants. The highly fossiliferous basal horizon (Cucullaeashell bed, Telm 4 of Sadler 1988) of the CucullaeaI Allomember is a laterally extensive shell bed with sandy matrix. The fish remains, including 35 species from 26 families, of the Ypresian Cucullaeabed represent one of the most abundant and diverse fossil vertebrate faunas yet recorded in southern latitudes. Stratigraphic distribution and phylogenetic relationships of the Weddellian sphenisciforms are consistent with a first radiation of this group in the Early Eocene. The first inquestionable archaeocete from Antarctica is recorded in this unit and is referred to a new taxon. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica Antártida Weddell Sea Directory of Open Access Journals: DOAJ Articles Antarctic The Antarctic Antarctic Peninsula Weddell Sea Weddell Seymour ENVELOPE(-56.767,-56.767,-64.283,-64.283) Verte ENVELOPE(141.192,141.192,-66.740,-66.740) Marambio ENVELOPE(-56.750,-56.750,-64.283,-64.283) Sadler ENVELOPE(-62.044,-62.044,-64.691,-64.691) Isla Seymour ENVELOPE(-56.750,-56.750,-64.283,-64.283) Revista Peruana de Biología 19 3 |
institution |
Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English Spanish |
topic |
Antártida Isla Seymour Eoceno temprano (Ypresiano) Formación La Meseta Alomiembro CucullaeaI Vertebrados Paleobiogeografía Science Q Biology (General) QH301-705.5 |
spellingShingle |
Antártida Isla Seymour Eoceno temprano (Ypresiano) Formación La Meseta Alomiembro CucullaeaI Vertebrados Paleobiogeografía Science Q Biology (General) QH301-705.5 Marcelo A. Reguero Sergio A. Marenssi Sergio N. Santillana Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica |
topic_facet |
Antártida Isla Seymour Eoceno temprano (Ypresiano) Formación La Meseta Alomiembro CucullaeaI Vertebrados Paleobiogeografía Science Q Biology (General) QH301-705.5 |
description |
The La Meseta Formation crops out in Seymour/Marambio Island, Weddell Sea, northeast of the Antarctic Peninsula and contains one of the world's most diverse assemblages of Weddellian marine/coastal verte-brates of Early Eocene (Ypresian) age. The La Meseta Formation is composed of poorly consolidated, marine sandstones and siltstones which were deposited in a coastal, deltaic and/or estuarine environment. It includes marine invertebrates and vertebrates as well as terrestrial vertebrates and plants. The highly fossiliferous basal horizon (Cucullaeashell bed, Telm 4 of Sadler 1988) of the CucullaeaI Allomember is a laterally extensive shell bed with sandy matrix. The fish remains, including 35 species from 26 families, of the Ypresian Cucullaeabed represent one of the most abundant and diverse fossil vertebrate faunas yet recorded in southern latitudes. Stratigraphic distribution and phylogenetic relationships of the Weddellian sphenisciforms are consistent with a first radiation of this group in the Early Eocene. The first inquestionable archaeocete from Antarctica is recorded in this unit and is referred to a new taxon. |
format |
Article in Journal/Newspaper |
author |
Marcelo A. Reguero Sergio A. Marenssi Sergio N. Santillana |
author_facet |
Marcelo A. Reguero Sergio A. Marenssi Sergio N. Santillana |
author_sort |
Marcelo A. Reguero |
title |
Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica |
title_short |
Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica |
title_full |
Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica |
title_fullStr |
Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica |
title_full_unstemmed |
Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica |
title_sort |
weddellian marine/coastal vertebrates diversity from a basal horizon (ypresian, eocene) of the cucullaea i allomember, la meseta formation, seymour (marambio) island, antarctica |
publisher |
Universidad Nacional Mayor de San Marcos |
publishDate |
2013 |
url |
https://doi.org/10.15381/rpb.v19i3.1006 https://doaj.org/article/1615f3350eeb48fb9f3a3a222c734528 |
long_lat |
ENVELOPE(-56.767,-56.767,-64.283,-64.283) ENVELOPE(141.192,141.192,-66.740,-66.740) ENVELOPE(-56.750,-56.750,-64.283,-64.283) ENVELOPE(-62.044,-62.044,-64.691,-64.691) ENVELOPE(-56.750,-56.750,-64.283,-64.283) |
geographic |
Antarctic The Antarctic Antarctic Peninsula Weddell Sea Weddell Seymour Verte Marambio Sadler Isla Seymour |
geographic_facet |
Antarctic The Antarctic Antarctic Peninsula Weddell Sea Weddell Seymour Verte Marambio Sadler Isla Seymour |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica Antártida Weddell Sea |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica Antártida Weddell Sea |
op_source |
Revista Peruana de Biología, Vol 19, Iss 3, Pp 275-284 (2013) |
op_relation |
http://revistasinvestigacion.unmsm.edu.pe/index.php/rpb/article/view/1006 https://doaj.org/toc/1561-0837 https://doaj.org/toc/1727-9933 1561-0837 1727-9933 doi:10.15381/rpb.v19i3.1006 https://doaj.org/article/1615f3350eeb48fb9f3a3a222c734528 |
op_doi |
https://doi.org/10.15381/rpb.v19i3.1006 |
container_title |
Revista Peruana de Biología |
container_volume |
19 |
container_issue |
3 |
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1766273166666104832 |