2006
DOI: 10.22179/revmacn.8.360
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Considerations on the neural laminae of the sauropod dinosaurs and their morpho-functional meaning

Abstract: Considerations on the neural laminae of the sauropod dinosaurs and their morpho-functional meaning. The axial skeleton of sauropod dinosaurs is distinguished by the presence of vertebral laminae that connect different points between the neural arch and the centrum. Previous exhaustive studies have conferred phylogenetic value to the array and organization of these structures. These studies among others, have also explored the function of the laminae. Many authors suggested that the characteristic cross-shaped … Show more

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Cited by 15 publications
(5 citation statements)
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“…17G: CR), which is associated with a gentle depression in its posterior part corresponding to the insertion for the flexor tibialis internus muscle (Borsuk-Bialynicka, 1977). A similar crest has been documented in Haplocanthosaurus (Hatcher, 1903) and in rebbachisaurids such as Demandasaurus and Zapalasaurus (Salgado, García & Daza, 2006; Torcida Fernández-Baldor, 2012). It has also been described in Aragosaurus (Sanz et al, 1987), in the somphospondylans Huabeisaurus and Wintonotitan (D’Emic et al, 2013; Poropat et al, 2015a) and in titanosaurians (Curry Rogers, 2009; Otero, 2010; D’Emic et al, 2013; Gallina & Apesteguía, 2015).…”
Section: Systematic Paleontologysupporting
confidence: 71%
“…17G: CR), which is associated with a gentle depression in its posterior part corresponding to the insertion for the flexor tibialis internus muscle (Borsuk-Bialynicka, 1977). A similar crest has been documented in Haplocanthosaurus (Hatcher, 1903) and in rebbachisaurids such as Demandasaurus and Zapalasaurus (Salgado, García & Daza, 2006; Torcida Fernández-Baldor, 2012). It has also been described in Aragosaurus (Sanz et al, 1987), in the somphospondylans Huabeisaurus and Wintonotitan (D’Emic et al, 2013; Poropat et al, 2015a) and in titanosaurians (Curry Rogers, 2009; Otero, 2010; D’Emic et al, 2013; Gallina & Apesteguía, 2015).…”
Section: Systematic Paleontologysupporting
confidence: 71%
“…The cervical and dorsal vertebrae of sauropods have a complex arrangement of laminae and fossae, which is of great systematic value (e.g. Bonaparte 1999;Wilson 1999;Salgado et al 2006;Salgado & Powell 2010). Therefore, the morphological differences observed in Europasaurus provide an excellent opportunity for better understanding morphological transformations during ontogeny.…”
Section: Ontogenetic Changes In the Axial Skeletonmentioning
confidence: 99%
“…These modifications mainly consist of the evolution of a complex arrangement of laminae and fossae, the nomenclature and homology problems of which are continually being discussed (e.g. Bonaparte 1999;Wilson 1999;Apesteguía 2005;Salgado et al 2006;Salgado & Powell 2010;Wilson et al 2011).…”
Section: Introductionmentioning
confidence: 99%
“…Consisten en láminas óseas localizadas en la base del arco neural que conectan las apófisis entre sí, con el centro vertebral y relacionan las prezigapófisis y postzigapófisis, las parapófisis y diapófisis, y las neurapófisis entre sí (wilson, 1999). A estas láminas se le atribuyeron diferentes funciones, entre ellas se pueden citar: estructuras neumáticas (Britt, 1997;wilson, 1999), o para inserción muscular (Bonaparte, 1999), pero actualmente no existe consenso sobre la función de las mismas (Gower, 2001;Salgado et al, 2006). Estas láminas han sido descriptas en arcosauriformes (Desojo et al, 2002;Gower, 2003), en varios arcosaurios crurotarsales como Fasolasuchus (Bonaparte, 1981), Prestosuchus chiniquensis huene, 1938 (Azevedo, 1991), arizonasaurus babbitti welles, 1947 (Nesbitt, 2003(Nesbitt, , 2005, Poposaurus gracilis Mehl, 1915Mehl, (weinbaum y hungerbühler, 2007 y Batrachotomus kupferzellensis Gower, 1999(Gower y Schoch, 2009 y en diversos grupos de dinosaurios (e.g.…”
Section: Descripciónunclassified
“…Estas láminas han sido descriptas en arcosauriformes (Desojo et al, 2002;Gower, 2003), en varios arcosaurios crurotarsales como Fasolasuchus (Bonaparte, 1981), Prestosuchus chiniquensis huene, 1938 (Azevedo, 1991), arizonasaurus babbitti welles, 1947 (Nesbitt, 2003(Nesbitt, , 2005, Poposaurus gracilis Mehl, 1915Mehl, (weinbaum y hungerbühler, 2007 y Batrachotomus kupferzellensis Gower, 1999(Gower y Schoch, 2009 y en diversos grupos de dinosaurios (e.g. wilson, 1999;Salgado et al, 2006). la denominación anatómica empleada en el presente trabajo es la propuesta por wilson (1999), y el concepto de homología aplicando es el de homología Primaria (sensu De Pinna, 1991).…”
Section: Descripciónunclassified