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dc.contributor.author
Zaher, Hussam
dc.contributor.author
Apesteguía, Sebastián
dc.contributor.author
Scanferla, Carlos Agustín
dc.date.available
2018-07-13T20:28:14Z
dc.date.issued
2009-08
dc.identifier.citation
Zaher, Hussam; Apesteguía, Sebastián; Scanferla, Carlos Agustín; The anatomy of the upper cretaceous snake najash rionegrina apesteguía & Zaher, 2006, and the evolution of limblessness in snakes; Wiley Blackwell Publishing, Inc; Zoological Journal of the Linnean Society; 156; 4; 8-2009; 801-826
dc.identifier.issn
0024-4082
dc.identifier.uri
http://hdl.handle.net/11336/52111
dc.description.abstract
Najash rionegrina Apesteguía & Zaher, 2006, a terrestrial fossil snake from the Upper Cretaceous of Argentina, represents the first known snake with a sacrum associated with robust, well-developed hind limbs. Najash rionegrina documents an important gap in the evolutionary development towards limblessness, because its phylogenetic affinities suggest that it is the sister group of all modern snakes, including the limbed Tethyan snakes Pachyrhachis, Haasiophis, and Eupodophis. The latter three limbed marine fossil snakes are shown to be more derived morphologically, because they lack a sacrum, but have articulated lymphapophyses, and their appendicular skeleton is enclosed by the rib cage, as in modern snakes.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Serpentes
dc.subject
Squamata
dc.subject
Systematics
dc.subject.classification
Otras Ciencias Naturales y Exactas
dc.subject.classification
Otras Ciencias Naturales y Exactas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
The anatomy of the upper cretaceous snake najash rionegrina apesteguía & Zaher, 2006, and the evolution of limblessness in snakes
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-07-11T14:16:07Z
dc.journal.volume
156
dc.journal.number
4
dc.journal.pagination
801-826
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Zaher, Hussam. Museu Do Sao Paulo; Brasil
dc.description.fil
Fil: Apesteguía, Sebastián. Universidad Maimónides. Área de Investigaciones Biomédicas y Biotecnológicas. Centro de Estudios Biomédicos, Biotecnológicos, Ambientales y de Diagnóstico; Argentina
dc.description.fil
Fil: Scanferla, Carlos Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina
dc.journal.title
Zoological Journal of the Linnean Society
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/zoolinnean/article-abstract/156/4/801/2609215
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/j.1096-3642.2009.00511.x


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