Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina

Autores
Codorniú Dominguez, Laura Susana; Chiappe, Luis; Rivarola, David Luciano
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We report on a diminutive pterosaur specimen (MIC-V246) from the Lower Cretaceous Lagarcito Formation, that has anatomical features and general proportions which agree with those of other juvenile specimens of the filter-feeding pterosaur Pterodaustro guinazui. MIC-V246 is nearly complete with the majority of its bones in natural articulation. The specimen is preserved within a small oval surface inferred to demarcate the outline of an egg. It includes remains of the skull and mandible, some cervical, dorsal, sacral, and caudal vertebrae, ribs, gastralia, both shoulder girdles, part of the ilium, and the forelimbs and hindlimbs. The skeleton is arranged in a position similar to that of avian embryos, with the wings folded sideways, the hindlimbs flexed, and the skull tucked beneath a wing. The bones are partially covered by an irregularly distributed substance differing in texture and color from the bony elements and identified as remnants of the eggshell. The diminutive size of the skeleton, along with its arrangement and morphology support the identification of this specimen as one of the very few pterosaur embryos known worldwide. Its similarity in size to other Pterodaustro specimens interpreted as hatchlings suggests that MIC-V246 was near hatching when it died.
Fil: Codorniú Dominguez, Laura Susana. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina
Fil: Chiappe, Luis. San Diego Natural History Museum; Estados Unidos
Fil: Rivarola, David Luciano. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Geología; Argentina
Materia
PTEROSAURIA
NEONATE MORPHOLOGY
CRETACEOUS
ARGENTINA
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/154125
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of ArgentinaCodorniú Dominguez, Laura SusanaChiappe, LuisRivarola, David LucianoPTEROSAURIANEONATE MORPHOLOGYCRETACEOUSARGENTINAhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1We report on a diminutive pterosaur specimen (MIC-V246) from the Lower Cretaceous Lagarcito Formation, that has anatomical features and general proportions which agree with those of other juvenile specimens of the filter-feeding pterosaur Pterodaustro guinazui. MIC-V246 is nearly complete with the majority of its bones in natural articulation. The specimen is preserved within a small oval surface inferred to demarcate the outline of an egg. It includes remains of the skull and mandible, some cervical, dorsal, sacral, and caudal vertebrae, ribs, gastralia, both shoulder girdles, part of the ilium, and the forelimbs and hindlimbs. The skeleton is arranged in a position similar to that of avian embryos, with the wings folded sideways, the hindlimbs flexed, and the skull tucked beneath a wing. The bones are partially covered by an irregularly distributed substance differing in texture and color from the bony elements and identified as remnants of the eggshell. The diminutive size of the skeleton, along with its arrangement and morphology support the identification of this specimen as one of the very few pterosaur embryos known worldwide. Its similarity in size to other Pterodaustro specimens interpreted as hatchlings suggests that MIC-V246 was near hatching when it died.Fil: Codorniú Dominguez, Laura Susana. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; ArgentinaFil: Chiappe, Luis. San Diego Natural History Museum; Estados UnidosFil: Rivarola, David Luciano. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Geología; ArgentinaGeological Society of America2017-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/154125Codorniú Dominguez, Laura Susana; Chiappe, Luis; Rivarola, David Luciano; Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina; Geological Society of America; Geological Society of London Special Publication; 455; 9-2017; 1-120305-8719CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://sp.lyellcollection.org/content/early/2017/08/16/SP455.17info:eu-repo/semantics/altIdentifier/doi/10.1144/SP455.17info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:33:22Zoai:ri.conicet.gov.ar:11336/154125instacron: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 09:33:23.13CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina
title Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina
spellingShingle Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina
Codorniú Dominguez, Laura Susana
PTEROSAURIA
NEONATE MORPHOLOGY
CRETACEOUS
ARGENTINA
title_short Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina
title_full Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina
title_fullStr Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina
title_full_unstemmed Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina
title_sort Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina
dc.creator.none.fl_str_mv Codorniú Dominguez, Laura Susana
Chiappe, Luis
Rivarola, David Luciano
author Codorniú Dominguez, Laura Susana
author_facet Codorniú Dominguez, Laura Susana
Chiappe, Luis
Rivarola, David Luciano
author_role author
author2 Chiappe, Luis
Rivarola, David Luciano
author2_role author
author
dc.subject.none.fl_str_mv PTEROSAURIA
NEONATE MORPHOLOGY
CRETACEOUS
ARGENTINA
topic PTEROSAURIA
NEONATE MORPHOLOGY
CRETACEOUS
ARGENTINA
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We report on a diminutive pterosaur specimen (MIC-V246) from the Lower Cretaceous Lagarcito Formation, that has anatomical features and general proportions which agree with those of other juvenile specimens of the filter-feeding pterosaur Pterodaustro guinazui. MIC-V246 is nearly complete with the majority of its bones in natural articulation. The specimen is preserved within a small oval surface inferred to demarcate the outline of an egg. It includes remains of the skull and mandible, some cervical, dorsal, sacral, and caudal vertebrae, ribs, gastralia, both shoulder girdles, part of the ilium, and the forelimbs and hindlimbs. The skeleton is arranged in a position similar to that of avian embryos, with the wings folded sideways, the hindlimbs flexed, and the skull tucked beneath a wing. The bones are partially covered by an irregularly distributed substance differing in texture and color from the bony elements and identified as remnants of the eggshell. The diminutive size of the skeleton, along with its arrangement and morphology support the identification of this specimen as one of the very few pterosaur embryos known worldwide. Its similarity in size to other Pterodaustro specimens interpreted as hatchlings suggests that MIC-V246 was near hatching when it died.
Fil: Codorniú Dominguez, Laura Susana. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina
Fil: Chiappe, Luis. San Diego Natural History Museum; Estados Unidos
Fil: Rivarola, David Luciano. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Geología; Argentina
description We report on a diminutive pterosaur specimen (MIC-V246) from the Lower Cretaceous Lagarcito Formation, that has anatomical features and general proportions which agree with those of other juvenile specimens of the filter-feeding pterosaur Pterodaustro guinazui. MIC-V246 is nearly complete with the majority of its bones in natural articulation. The specimen is preserved within a small oval surface inferred to demarcate the outline of an egg. It includes remains of the skull and mandible, some cervical, dorsal, sacral, and caudal vertebrae, ribs, gastralia, both shoulder girdles, part of the ilium, and the forelimbs and hindlimbs. The skeleton is arranged in a position similar to that of avian embryos, with the wings folded sideways, the hindlimbs flexed, and the skull tucked beneath a wing. The bones are partially covered by an irregularly distributed substance differing in texture and color from the bony elements and identified as remnants of the eggshell. The diminutive size of the skeleton, along with its arrangement and morphology support the identification of this specimen as one of the very few pterosaur embryos known worldwide. Its similarity in size to other Pterodaustro specimens interpreted as hatchlings suggests that MIC-V246 was near hatching when it died.
publishDate 2017
dc.date.none.fl_str_mv 2017-09
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/11336/154125
Codorniú Dominguez, Laura Susana; Chiappe, Luis; Rivarola, David Luciano; Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina; Geological Society of America; Geological Society of London Special Publication; 455; 9-2017; 1-12
0305-8719
CONICET Digital
CONICET
url http://hdl.handle.net/11336/154125
identifier_str_mv Codorniú Dominguez, Laura Susana; Chiappe, Luis; Rivarola, David Luciano; Neonate morphology and development in pterosaurs: Evidence from a ctenochasmatid embryo from the Early Cretaceous of Argentina; Geological Society of America; Geological Society of London Special Publication; 455; 9-2017; 1-12
0305-8719
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://sp.lyellcollection.org/content/early/2017/08/16/SP455.17
info:eu-repo/semantics/altIdentifier/doi/10.1144/SP455.17
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Geological Society of America
publisher.none.fl_str_mv Geological Society of America
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
_version_ 1844613025029423104
score 13.070432

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