New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)

Autores
Bellardini, Flavio; Baiano, Mattia Antonio
Año de publicación
2020
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
In the central Neuquén Basin, the Portezuelo Formation is represented with extended fluvial outcrops, many of whom are well-known for yielded an abundant vertebrate fossil record. In this contribution we report new archosaur remains from “Los Bastos” locality (Neuquén Province, Patagonia, Argentina), which here are preliminary assigned to pterosaur, sauropod and theropod dinosaurs. Most of the fossils were found associated in situ in a well-cemented paleosoil composed by coarsegrained and browned sandstones, while other isolated materials were recovered few hundred meters away. Most relevant sauropod elements are: a fragmentary cone-chisel-like tooth with single high-angled wear-facet (MMS-PV-20), two procoelic anterior caudal vertebrae with neural arch beyond the anterior articular surface (MMS-PV-09-10), and a femur with anteroposteriorly well-compressed diaphysis and a prominent lateral bulge (MMS-PV-15). According to size and diagnostic features of each element we tentatively refer these bones to Titanosauria indet. Other materials are an incomplete theropod humerus (MMS-PV-18) with an internal tuberosity connected with humeral head and a low great tubercle, and four incomplete weakly-amphicoelous dorsal centra, with a shallow lateral fossa, which we assigned to Theropoda indet. (MMS-PV-22, 23, 24). An incomplete femur of a large pterosaur specimen (MMS-PV-21) with a wellmarked lesser trocanther and thin bone-wall was also found. In the “Los Bastos” locality, the Portezuelo Formation is associated to a meandering, high-sinuosity fluvial environment, as well as in type-locality. These new archosaur materials increase the Portezuelo Formation vertebrate fossil record for central Patagonia, and improve the faunal diversity regarded for Los Bastos locality of south Neuquén Province.
Fil: Bellardini, Flavio. Museo de Ciencias Naturales Paleontología y Arquelogía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina
Fil: Baiano, Mattia Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina. Provincia del Neuquén. Municipalidad de Plaza Huincul. Museo "Carmen Funes"; Argentina
II Jornadas de Paleovertebrados de la Cuenca Neuquina
Neuquén
Argentina
Universidad Nacional del Comahue
Materia
PORTEZUELO FORMATION
UPPER CRETACEOUS
NEUQUÉN BASIN
SAUROPODA
THEROPODA
PTEROSAURIA
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/202428
Acceder
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network_name_str CONICET Digital (CONICET)
spelling New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)Bellardini, FlavioBaiano, Mattia AntonioPORTEZUELO FORMATIONUPPER CRETACEOUSNEUQUÉN BASINSAUROPODATHEROPODAPTEROSAURIAhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1In the central Neuquén Basin, the Portezuelo Formation is represented with extended fluvial outcrops, many of whom are well-known for yielded an abundant vertebrate fossil record. In this contribution we report new archosaur remains from “Los Bastos” locality (Neuquén Province, Patagonia, Argentina), which here are preliminary assigned to pterosaur, sauropod and theropod dinosaurs. Most of the fossils were found associated in situ in a well-cemented paleosoil composed by coarsegrained and browned sandstones, while other isolated materials were recovered few hundred meters away. Most relevant sauropod elements are: a fragmentary cone-chisel-like tooth with single high-angled wear-facet (MMS-PV-20), two procoelic anterior caudal vertebrae with neural arch beyond the anterior articular surface (MMS-PV-09-10), and a femur with anteroposteriorly well-compressed diaphysis and a prominent lateral bulge (MMS-PV-15). According to size and diagnostic features of each element we tentatively refer these bones to Titanosauria indet. Other materials are an incomplete theropod humerus (MMS-PV-18) with an internal tuberosity connected with humeral head and a low great tubercle, and four incomplete weakly-amphicoelous dorsal centra, with a shallow lateral fossa, which we assigned to Theropoda indet. (MMS-PV-22, 23, 24). An incomplete femur of a large pterosaur specimen (MMS-PV-21) with a wellmarked lesser trocanther and thin bone-wall was also found. In the “Los Bastos” locality, the Portezuelo Formation is associated to a meandering, high-sinuosity fluvial environment, as well as in type-locality. These new archosaur materials increase the Portezuelo Formation vertebrate fossil record for central Patagonia, and improve the faunal diversity regarded for Los Bastos locality of south Neuquén Province.Fil: Bellardini, Flavio. Museo de Ciencias Naturales Paleontología y Arquelogía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; ArgentinaFil: Baiano, Mattia Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina. Provincia del Neuquén. Municipalidad de Plaza Huincul. Museo "Carmen Funes"; ArgentinaII Jornadas de Paleovertebrados de la Cuenca NeuquinaNeuquénArgentinaUniversidad Nacional del ComahueAsociación Paleontológica Argentina2020info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectJornadaJournalhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/202428New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina); II Jornadas de Paleovertebrados de la Cuenca Neuquina; Neuquén; Argentina; 2019; 6-62469-0228CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.peapaleontologica.org.ar/index.php/peapa/article/view/329Nacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:39:01Zoai:ri.conicet.gov.ar:11336/202428instacron: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 10:39:01.84CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)
title New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)
spellingShingle New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)
Bellardini, Flavio
PORTEZUELO FORMATION
UPPER CRETACEOUS
NEUQUÉN BASIN
SAUROPODA
THEROPODA
PTEROSAURIA
title_short New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)
title_full New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)
title_fullStr New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)
title_full_unstemmed New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)
title_sort New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina)
dc.creator.none.fl_str_mv Bellardini, Flavio
Baiano, Mattia Antonio
author Bellardini, Flavio
author_facet Bellardini, Flavio
Baiano, Mattia Antonio
author_role author
author2 Baiano, Mattia Antonio
author2_role author
dc.subject.none.fl_str_mv PORTEZUELO FORMATION
UPPER CRETACEOUS
NEUQUÉN BASIN
SAUROPODA
THEROPODA
PTEROSAURIA
topic PORTEZUELO FORMATION
UPPER CRETACEOUS
NEUQUÉN BASIN
SAUROPODA
THEROPODA
PTEROSAURIA
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv In the central Neuquén Basin, the Portezuelo Formation is represented with extended fluvial outcrops, many of whom are well-known for yielded an abundant vertebrate fossil record. In this contribution we report new archosaur remains from “Los Bastos” locality (Neuquén Province, Patagonia, Argentina), which here are preliminary assigned to pterosaur, sauropod and theropod dinosaurs. Most of the fossils were found associated in situ in a well-cemented paleosoil composed by coarsegrained and browned sandstones, while other isolated materials were recovered few hundred meters away. Most relevant sauropod elements are: a fragmentary cone-chisel-like tooth with single high-angled wear-facet (MMS-PV-20), two procoelic anterior caudal vertebrae with neural arch beyond the anterior articular surface (MMS-PV-09-10), and a femur with anteroposteriorly well-compressed diaphysis and a prominent lateral bulge (MMS-PV-15). According to size and diagnostic features of each element we tentatively refer these bones to Titanosauria indet. Other materials are an incomplete theropod humerus (MMS-PV-18) with an internal tuberosity connected with humeral head and a low great tubercle, and four incomplete weakly-amphicoelous dorsal centra, with a shallow lateral fossa, which we assigned to Theropoda indet. (MMS-PV-22, 23, 24). An incomplete femur of a large pterosaur specimen (MMS-PV-21) with a wellmarked lesser trocanther and thin bone-wall was also found. In the “Los Bastos” locality, the Portezuelo Formation is associated to a meandering, high-sinuosity fluvial environment, as well as in type-locality. These new archosaur materials increase the Portezuelo Formation vertebrate fossil record for central Patagonia, and improve the faunal diversity regarded for Los Bastos locality of south Neuquén Province.
Fil: Bellardini, Flavio. Museo de Ciencias Naturales Paleontología y Arquelogía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina
Fil: Baiano, Mattia Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina. Provincia del Neuquén. Municipalidad de Plaza Huincul. Museo "Carmen Funes"; Argentina
II Jornadas de Paleovertebrados de la Cuenca Neuquina
Neuquén
Argentina
Universidad Nacional del Comahue
description In the central Neuquén Basin, the Portezuelo Formation is represented with extended fluvial outcrops, many of whom are well-known for yielded an abundant vertebrate fossil record. In this contribution we report new archosaur remains from “Los Bastos” locality (Neuquén Province, Patagonia, Argentina), which here are preliminary assigned to pterosaur, sauropod and theropod dinosaurs. Most of the fossils were found associated in situ in a well-cemented paleosoil composed by coarsegrained and browned sandstones, while other isolated materials were recovered few hundred meters away. Most relevant sauropod elements are: a fragmentary cone-chisel-like tooth with single high-angled wear-facet (MMS-PV-20), two procoelic anterior caudal vertebrae with neural arch beyond the anterior articular surface (MMS-PV-09-10), and a femur with anteroposteriorly well-compressed diaphysis and a prominent lateral bulge (MMS-PV-15). According to size and diagnostic features of each element we tentatively refer these bones to Titanosauria indet. Other materials are an incomplete theropod humerus (MMS-PV-18) with an internal tuberosity connected with humeral head and a low great tubercle, and four incomplete weakly-amphicoelous dorsal centra, with a shallow lateral fossa, which we assigned to Theropoda indet. (MMS-PV-22, 23, 24). An incomplete femur of a large pterosaur specimen (MMS-PV-21) with a wellmarked lesser trocanther and thin bone-wall was also found. In the “Los Bastos” locality, the Portezuelo Formation is associated to a meandering, high-sinuosity fluvial environment, as well as in type-locality. These new archosaur materials increase the Portezuelo Formation vertebrate fossil record for central Patagonia, and improve the faunal diversity regarded for Los Bastos locality of south Neuquén Province.
publishDate 2020
dc.date.none.fl_str_mv 2020
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
Jornada
Journal
http://purl.org/coar/resource_type/c_5794
info:ar-repo/semantics/documentoDeConferencia
status_str publishedVersion
format conferenceObject
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/202428
New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina); II Jornadas de Paleovertebrados de la Cuenca Neuquina; Neuquén; Argentina; 2019; 6-6
2469-0228
CONICET Digital
CONICET
url http://hdl.handle.net/11336/202428
identifier_str_mv New archosaur remains from the portezuelo formation (turonian– coniacian, upper cretaceous) of “Los Bastos” locality (Senillosa, Neuquén province, Argentina); II Jornadas de Paleovertebrados de la Cuenca Neuquina; Neuquén; Argentina; 2019; 6-6
2469-0228
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.peapaleontologica.org.ar/index.php/peapa/article/view/329
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.coverage.none.fl_str_mv Nacional
dc.publisher.none.fl_str_mv Asociación Paleontológica Argentina
publisher.none.fl_str_mv Asociación Paleontológica Argentina
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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