First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica
In the present paper we report the incomplete skeleton of an indeterminate polycotylid that includes the articulated pelvic girdle. The material was collected from the Alpha Member of the Santa Marta Formation (upper Coniacian-lower Campanian) on James Ross Island, Antarctic Peninsula. The specimen...
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ftconicet:oai:ri.conicet.gov.ar:11336/129853 2023-10-09T21:47:06+02:00 First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica Novas, Fernando Emilio D'angelo, Julia Soledad O'gorman, Jose Patricio Agnolin, Federico Lirio, Juan Manuel Isasi, Marcelo Pablo application/pdf http://hdl.handle.net/11336/129853 eng eng Academic Press Ltd - Elsevier Science Ltd info:eu-repo/semantics/altIdentifier/doi/10.1016/j.cretres.2015.06.015 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0195667115300197 http://hdl.handle.net/11336/129853 Novas, Fernando Emilio; D'angelo, Julia Soledad; O'gorman, Jose Patricio; Agnolin, Federico; Lirio, Juan Manuel; et al.; First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica; Academic Press Ltd - Elsevier Science Ltd; Cretaceous Research; 56; 9-2015; 563-568 0195-6671 CONICET Digital CONICET info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ ANTARCTICA CRETACEOUS PLESIOSAURIA POLYCOTYLIDAE https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion ftconicet https://doi.org/10.1016/j.cretres.2015.06.015 2023-09-24T19:38:13Z In the present paper we report the incomplete skeleton of an indeterminate polycotylid that includes the articulated pelvic girdle. The material was collected from the Alpha Member of the Santa Marta Formation (upper Coniacian-lower Campanian) on James Ross Island, Antarctic Peninsula. The specimen is referred to the Polycotylidae on the basis of its very elongate ischia and rimmed anterior and posterior articular surfaces of the dorsal vertebrae. Additionally, the caudal vertebrae show confluent parapophyses and neural arch facets. The present report constitutes the first record for polycotylids in Antarctica, being an important addition to the fossil marine reptile diversity. Polycotylids are a scarce component of the Weddellian herpetofauna, which are dominated by aristonectine and non-aristonectine elasmosaurids. In contrast, in Northern Hemisphere assemblages, polycotylids are an important component of the plesiosaur diversity. The scarcity of polycotylids may constitute another distinctive feature of Weddellian plesiosaur faunas. Fil: Novas, Fernando Emilio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina Fil: D'angelo, Julia Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina Fil: O'gorman, Jose Patricio. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Agnolin, Federico. Universidad Maimónides; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina. Fundación de Historia ... Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica James Ross Island Ross Island CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) Antarctic Antarctic Peninsula Ross Island Argentino Argentina Cretaceous Research 56 563 568 |
institution |
Open Polar |
collection |
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) |
op_collection_id |
ftconicet |
language |
English |
topic |
ANTARCTICA CRETACEOUS PLESIOSAURIA POLYCOTYLIDAE https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
spellingShingle |
ANTARCTICA CRETACEOUS PLESIOSAURIA POLYCOTYLIDAE https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 Novas, Fernando Emilio D'angelo, Julia Soledad O'gorman, Jose Patricio Agnolin, Federico Lirio, Juan Manuel Isasi, Marcelo Pablo First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica |
topic_facet |
ANTARCTICA CRETACEOUS PLESIOSAURIA POLYCOTYLIDAE https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
description |
In the present paper we report the incomplete skeleton of an indeterminate polycotylid that includes the articulated pelvic girdle. The material was collected from the Alpha Member of the Santa Marta Formation (upper Coniacian-lower Campanian) on James Ross Island, Antarctic Peninsula. The specimen is referred to the Polycotylidae on the basis of its very elongate ischia and rimmed anterior and posterior articular surfaces of the dorsal vertebrae. Additionally, the caudal vertebrae show confluent parapophyses and neural arch facets. The present report constitutes the first record for polycotylids in Antarctica, being an important addition to the fossil marine reptile diversity. Polycotylids are a scarce component of the Weddellian herpetofauna, which are dominated by aristonectine and non-aristonectine elasmosaurids. In contrast, in Northern Hemisphere assemblages, polycotylids are an important component of the plesiosaur diversity. The scarcity of polycotylids may constitute another distinctive feature of Weddellian plesiosaur faunas. Fil: Novas, Fernando Emilio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina Fil: D'angelo, Julia Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina Fil: O'gorman, Jose Patricio. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Agnolin, Federico. Universidad Maimónides; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina. Fundación de Historia ... |
format |
Article in Journal/Newspaper |
author |
Novas, Fernando Emilio D'angelo, Julia Soledad O'gorman, Jose Patricio Agnolin, Federico Lirio, Juan Manuel Isasi, Marcelo Pablo |
author_facet |
Novas, Fernando Emilio D'angelo, Julia Soledad O'gorman, Jose Patricio Agnolin, Federico Lirio, Juan Manuel Isasi, Marcelo Pablo |
author_sort |
Novas, Fernando Emilio |
title |
First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica |
title_short |
First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica |
title_full |
First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica |
title_fullStr |
First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica |
title_full_unstemmed |
First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica |
title_sort |
first record of polycotylidae (sauropterygia, plesiosauria) from the upper cretaceous of antarctica |
publisher |
Academic Press Ltd - Elsevier Science Ltd |
url |
http://hdl.handle.net/11336/129853 |
geographic |
Antarctic Antarctic Peninsula Ross Island Argentino Argentina |
geographic_facet |
Antarctic Antarctic Peninsula Ross Island Argentino Argentina |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica James Ross Island Ross Island |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica James Ross Island Ross Island |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.cretres.2015.06.015 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0195667115300197 http://hdl.handle.net/11336/129853 Novas, Fernando Emilio; D'angelo, Julia Soledad; O'gorman, Jose Patricio; Agnolin, Federico; Lirio, Juan Manuel; et al.; First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of Antarctica; Academic Press Ltd - Elsevier Science Ltd; Cretaceous Research; 56; 9-2015; 563-568 0195-6671 CONICET Digital CONICET |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
op_doi |
https://doi.org/10.1016/j.cretres.2015.06.015 |
container_title |
Cretaceous Research |
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56 |
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563 |
op_container_end_page |
568 |
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1779309857098170368 |