A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene
- Autores
- Haidr, Nadia Soledad; Acosta Hospitaleche, Carolina Ileana Alicia
- Año de publicación
- 2017
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Although penguins have a very abundant fossil record in Antarctica, very few cranial elements have been found so far, and in all the cases the specimens are incomplete. We describe a new cranium of a medium-sized penguin from the late Eocene Submeseta Formation in Marambio/ Seymour Island, Antarctica. Its morphology allows us to establish a common cranial pattern for all known Eocene taxa (including South American, Antarctic and probably Oceanian species), with very different proportions between cranium and post-cranium from those of modern penguins. These Paleogene fossils exhibit a small neurocrania, extremely elongated bills, large occipital condyles, and strong cranio-mandibular articulations.
Facultad de Ciencias Naturales y Museo - Materia
-
Paleontología
Sphenisciformes
Eocene
Seymour Island
3D scan
Anatomy
Paleobiodiversity - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/119257
Ver los metadatos del registro completo
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A new penguin cranium from Antarctica and its implications for body size diversity during the EoceneHaidr, Nadia SoledadAcosta Hospitaleche, Carolina Ileana AliciaPaleontologíaSphenisciformesEoceneSeymour Island3D scanAnatomyPaleobiodiversityAlthough penguins have a very abundant fossil record in Antarctica, very few cranial elements have been found so far, and in all the cases the specimens are incomplete. We describe a new cranium of a medium-sized penguin from the late Eocene Submeseta Formation in Marambio/ Seymour Island, Antarctica. Its morphology allows us to establish a common cranial pattern for all known Eocene taxa (including South American, Antarctic and probably Oceanian species), with very different proportions between cranium and post-cranium from those of modern penguins. These Paleogene fossils exhibit a small neurocrania, extremely elongated bills, large occipital condyles, and strong cranio-mandibular articulations.Facultad de Ciencias Naturales y Museo2017info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf229-233http://sedici.unlp.edu.ar/handle/10915/119257enginfo:eu-repo/semantics/altIdentifier/issn/0077-7749info:eu-repo/semantics/altIdentifier/issn/2363-717Xinfo:eu-repo/semantics/altIdentifier/doi/10.1127/njgpa/2017/0698info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:28:09Zoai:sedici.unlp.edu.ar:10915/119257Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:28:09.735SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene |
title |
A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene |
spellingShingle |
A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene Haidr, Nadia Soledad Paleontología Sphenisciformes Eocene Seymour Island 3D scan Anatomy Paleobiodiversity |
title_short |
A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene |
title_full |
A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene |
title_fullStr |
A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene |
title_full_unstemmed |
A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene |
title_sort |
A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene |
dc.creator.none.fl_str_mv |
Haidr, Nadia Soledad Acosta Hospitaleche, Carolina Ileana Alicia |
author |
Haidr, Nadia Soledad |
author_facet |
Haidr, Nadia Soledad Acosta Hospitaleche, Carolina Ileana Alicia |
author_role |
author |
author2 |
Acosta Hospitaleche, Carolina Ileana Alicia |
author2_role |
author |
dc.subject.none.fl_str_mv |
Paleontología Sphenisciformes Eocene Seymour Island 3D scan Anatomy Paleobiodiversity |
topic |
Paleontología Sphenisciformes Eocene Seymour Island 3D scan Anatomy Paleobiodiversity |
dc.description.none.fl_txt_mv |
Although penguins have a very abundant fossil record in Antarctica, very few cranial elements have been found so far, and in all the cases the specimens are incomplete. We describe a new cranium of a medium-sized penguin from the late Eocene Submeseta Formation in Marambio/ Seymour Island, Antarctica. Its morphology allows us to establish a common cranial pattern for all known Eocene taxa (including South American, Antarctic and probably Oceanian species), with very different proportions between cranium and post-cranium from those of modern penguins. These Paleogene fossils exhibit a small neurocrania, extremely elongated bills, large occipital condyles, and strong cranio-mandibular articulations. Facultad de Ciencias Naturales y Museo |
description |
Although penguins have a very abundant fossil record in Antarctica, very few cranial elements have been found so far, and in all the cases the specimens are incomplete. We describe a new cranium of a medium-sized penguin from the late Eocene Submeseta Formation in Marambio/ Seymour Island, Antarctica. Its morphology allows us to establish a common cranial pattern for all known Eocene taxa (including South American, Antarctic and probably Oceanian species), with very different proportions between cranium and post-cranium from those of modern penguins. These Paleogene fossils exhibit a small neurocrania, extremely elongated bills, large occipital condyles, and strong cranio-mandibular articulations. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://sedici.unlp.edu.ar/handle/10915/119257 |
url |
http://sedici.unlp.edu.ar/handle/10915/119257 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/issn/0077-7749 info:eu-repo/semantics/altIdentifier/issn/2363-717X info:eu-repo/semantics/altIdentifier/doi/10.1127/njgpa/2017/0698 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
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openAccess |
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http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
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application/pdf 229-233 |
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