A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India

Autores
Sengupta, Saradee; Ezcurra, Martin Daniel; Bandyopadhyay, Saswati
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The early evolution of archosauromorphs (bird- A nd crocodile-line archosaurs and stem-archosaurs) represents an important case of adaptive radiation that occurred in the aftermath of the Permo-Triassic mass extinction. Here we enrich the early archosauromorph record with the description of a moderately large (3-4 m in total length), herbivorous new allokotosaurian, Shringasaurus indicus, from the early Middle Triassic of India. The most striking feature of Shringasaurus indicus is the presence of a pair of large supraorbital horns that resemble those of some ceratopsid dinosaurs. The presence of horns in the new species is dimorphic and, as occurs in horned extant bovid mammals, these structures were probably sexually selected and used as weapons in intraspecific combats. The relatively large size and unusual anatomy of Shringasaurus indicus broadens the morphological diversity of Early-Middle Triassic tetrapods and complements the understanding of the evolutionary mechanisms involved in the early archosauromorph diversification.
Fil: Sengupta, Saradee. Indian Statistical Institute; India. Durgapur Govt. College; India
Fil: Ezcurra, Martin Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina
Fil: Bandyopadhyay, Saswati. Indian Statistical Institute; India
Materia
Archosauromorpha
Allokotosauria
Phylogeny
India
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/56336
Acceder
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network_name_str CONICET Digital (CONICET)
spelling A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of IndiaSengupta, SaradeeEzcurra, Martin DanielBandyopadhyay, SaswatiArchosauromorphaAllokotosauriaPhylogenyIndiahttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The early evolution of archosauromorphs (bird- A nd crocodile-line archosaurs and stem-archosaurs) represents an important case of adaptive radiation that occurred in the aftermath of the Permo-Triassic mass extinction. Here we enrich the early archosauromorph record with the description of a moderately large (3-4 m in total length), herbivorous new allokotosaurian, Shringasaurus indicus, from the early Middle Triassic of India. The most striking feature of Shringasaurus indicus is the presence of a pair of large supraorbital horns that resemble those of some ceratopsid dinosaurs. The presence of horns in the new species is dimorphic and, as occurs in horned extant bovid mammals, these structures were probably sexually selected and used as weapons in intraspecific combats. The relatively large size and unusual anatomy of Shringasaurus indicus broadens the morphological diversity of Early-Middle Triassic tetrapods and complements the understanding of the evolutionary mechanisms involved in the early archosauromorph diversification.Fil: Sengupta, Saradee. Indian Statistical Institute; India. Durgapur Govt. College; IndiaFil: Ezcurra, Martin Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; ArgentinaFil: Bandyopadhyay, Saswati. Indian Statistical Institute; IndiaNature Publishing Group2017-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/56336Sengupta, Saradee; Ezcurra, Martin Daniel; Bandyopadhyay, Saswati; A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India; Nature Publishing Group; Scientific Reports; 7; 1; 12-20172045-2322CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1038/s41598-017-08658-8info:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/s41598-017-08658-8info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:22:26Zoai:ri.conicet.gov.ar:11336/56336instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:22:27.028CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India
title A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India
spellingShingle A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India
Sengupta, Saradee
Archosauromorpha
Allokotosauria
Phylogeny
India
title_short A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India
title_full A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India
title_fullStr A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India
title_full_unstemmed A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India
title_sort A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India
dc.creator.none.fl_str_mv Sengupta, Saradee
Ezcurra, Martin Daniel
Bandyopadhyay, Saswati
author Sengupta, Saradee
author_facet Sengupta, Saradee
Ezcurra, Martin Daniel
Bandyopadhyay, Saswati
author_role author
author2 Ezcurra, Martin Daniel
Bandyopadhyay, Saswati
author2_role author
author
dc.subject.none.fl_str_mv Archosauromorpha
Allokotosauria
Phylogeny
India
topic Archosauromorpha
Allokotosauria
Phylogeny
India
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The early evolution of archosauromorphs (bird- A nd crocodile-line archosaurs and stem-archosaurs) represents an important case of adaptive radiation that occurred in the aftermath of the Permo-Triassic mass extinction. Here we enrich the early archosauromorph record with the description of a moderately large (3-4 m in total length), herbivorous new allokotosaurian, Shringasaurus indicus, from the early Middle Triassic of India. The most striking feature of Shringasaurus indicus is the presence of a pair of large supraorbital horns that resemble those of some ceratopsid dinosaurs. The presence of horns in the new species is dimorphic and, as occurs in horned extant bovid mammals, these structures were probably sexually selected and used as weapons in intraspecific combats. The relatively large size and unusual anatomy of Shringasaurus indicus broadens the morphological diversity of Early-Middle Triassic tetrapods and complements the understanding of the evolutionary mechanisms involved in the early archosauromorph diversification.
Fil: Sengupta, Saradee. Indian Statistical Institute; India. Durgapur Govt. College; India
Fil: Ezcurra, Martin Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina
Fil: Bandyopadhyay, Saswati. Indian Statistical Institute; India
description The early evolution of archosauromorphs (bird- A nd crocodile-line archosaurs and stem-archosaurs) represents an important case of adaptive radiation that occurred in the aftermath of the Permo-Triassic mass extinction. Here we enrich the early archosauromorph record with the description of a moderately large (3-4 m in total length), herbivorous new allokotosaurian, Shringasaurus indicus, from the early Middle Triassic of India. The most striking feature of Shringasaurus indicus is the presence of a pair of large supraorbital horns that resemble those of some ceratopsid dinosaurs. The presence of horns in the new species is dimorphic and, as occurs in horned extant bovid mammals, these structures were probably sexually selected and used as weapons in intraspecific combats. The relatively large size and unusual anatomy of Shringasaurus indicus broadens the morphological diversity of Early-Middle Triassic tetrapods and complements the understanding of the evolutionary mechanisms involved in the early archosauromorph diversification.
publishDate 2017
dc.date.none.fl_str_mv 2017-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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://hdl.handle.net/11336/56336
Sengupta, Saradee; Ezcurra, Martin Daniel; Bandyopadhyay, Saswati; A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India; Nature Publishing Group; Scientific Reports; 7; 1; 12-2017
2045-2322
CONICET Digital
CONICET
url http://hdl.handle.net/11336/56336
identifier_str_mv Sengupta, Saradee; Ezcurra, Martin Daniel; Bandyopadhyay, Saswati; A new horned and long-necked herbivorous stem-archosaur from the Middle Triassic of India; Nature Publishing Group; Scientific Reports; 7; 1; 12-2017
2045-2322
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1038/s41598-017-08658-8
info:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/s41598-017-08658-8
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Nature Publishing Group
publisher.none.fl_str_mv Nature Publishing Group
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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