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dc.contributor.author
Agnolin, Federico  
dc.contributor.author
Lu, Jun Chang  
dc.contributor.author
Kundrát, Martin  
dc.contributor.author
Xu, Li  
dc.date.available
2022-03-09T23:11:05Z  
dc.date.issued
2021-04  
dc.identifier.citation
Agnolin, Federico; Lu, Jun Chang; Kundrát, Martin; Xu, Li; Alvarezsaurid osteology: new data on cranial anatomy; Taylor & Francis Ltd; Historical Biology; 34; 3; 4-2021; 1-11  
dc.identifier.issn
0891-2963  
dc.identifier.uri
http://hdl.handle.net/11336/153137  
dc.description.abstract
Alvarezsaurs were a group of theropod dinosaurs found in Asia, North America, South America and Europe during Jurassic and Cretaceous periods. In spite of being known by several specimens, diverse aspects of their anatomy remain poorly known. The aim of the present paper is to describe and analyse some points of the neuroanatomy of a newly collected alvarezsaurid specimen. A partial skeleton of an indeterminate Late Cretaceous alvarezsaurid theropod (HGM L08-59) from the collection of Henan Geological Museum in Zhengzhou, China, preserved a partial skull that allows to study some aspects of braincase anatomy. Anatomical features observed in HGM L08-59 and other alvarezsaurs indicate that members of this clade exhibited a notably enhanced somatosensory control during locomotion. The study of skull material of HGM L08-59 as well as that of other alvarezsaur skulls, sheds some doubts on the phylogenetic position of supposed Jurassic alvarezsaurs from China (i.e., Haplocheirus, Aorun and Shishugounykus). Further, some skull features of Haplocheirus are reminiscent to those of ornithomimosaurs and are dissimilar to alvarezsaurs. A comprehensive phylogenetic analysis will shed light on this complex topic that is highly relevant on discussions about early radiation of coelurosaurian theropods.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Taylor & Francis Ltd  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
ALVAREZSAURIDAE  
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CRETACEOUS  
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NEUROCRANIOLOGY  
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PHYLOGENY  
dc.subject.classification
Paleontología  
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Ciencias de la Tierra y relacionadas con el Medio Ambiente  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Alvarezsaurid osteology: new data on cranial anatomy  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2022-03-02T15:48:53Z  
dc.identifier.eissn
1029-2381  
dc.journal.volume
34  
dc.journal.number
3  
dc.journal.pagination
1-11  
dc.journal.pais
Reino Unido  
dc.description.fil
Fil: Agnolin, Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina. Universidad Maimónides; Argentina. Fundación de Historia Natural Félix de Azara; Argentina  
dc.description.fil
Fil: Lu, Jun Chang. Pavol Jozef Šafárik University; Eslovaquia  
dc.description.fil
Fil: Kundrát, Martin. Chinese Academy of Sciences; República de China  
dc.description.fil
Fil: Xu, Li. Henan Geological Museum; China  
dc.journal.title
Historical Biology  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/08912963.2021.1929203  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/08912963.2021.1929203