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
.jpg)
- 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:UNLP2025-10-22T17:09:00Zoai: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:13292025-10-22 17:09:01.263SEDICI (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 |
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2017 |
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eng |
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