Museo de Dinosaurios de Salas de los Infantes

Burgos, Spain

Museo de Dinosaurios de Salas de los Infantes

Burgos, Spain
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Fernandez-Baldor F.T.,Museo de Dinosaurios de Salas de los Infantes | Canudo J.I.,University of Zaragoza | Huerta P.,Museo de Dinosaurios de Salas de los Infantes | Montero D.,Museo de Dinosaurios de Salas de los Infantes | And 2 more authors.
Acta Palaeontologica Polonica | Year: 2011

A new medium-sized rebbachisaurid sauropod from the Castrillo la Reina Formation (Upper Barremian-Lower Aptian) in Burgos Province, Demandasaurus darwini gen. et sp. nov., is described. It is known from an incomplete but associated skeleton that includes cranial and post-cranial remains. Demandasaurus darwini gen. et sp. nov. presents 9 autapomorphies in the teeth and vertebrae. Demandasaurus is the first diplodocoid sauropod described from the Cretaceous of the Iberian Peninsula. Its inclusion in the Rebbachisauridae is well supported by our phylogenetic hypothesis, which situates it as a sister group of Nigersaurus from the Aptian of Niger, with which it shares various synapomorphies. The discovery of Demandasaurus provides further evidence of the sporadic use of the Apulian Route by dinosaurs during the Early Cretaceous for moving between the south of Europe (Laurasia) and the north of Africa (Gondwana).


Houssaye A.,CNRS Center for Research on Palaeobiodiversity and Palaeoenvironments | Houssaye A.,University of Bonn | Rage J.-C.,CNRS Center for Research on Palaeobiodiversity and Palaeoenvironments | Torcida Fernandez-Baldor F.,Museo de Dinosaurios de Salas de los Infantes | And 3 more authors.
Cretaceous Research | Year: 2013

A new anguimorph lizard from the late Barremian-Aptian of the Salas de los Infantes area (Cameros Basin, Iberian Peninsula) is described here as Arcanosaurus ibericus gen. et sp. nov. It corresponds to the first squamate remains from the Burgos Province. The unique combination of morphological and microanatomical characters enables us to erect a new genus and species that we tentatively assign to Varanoidea despite the strange seemingly absence on the axis of a posterior hypapophysis. The combination of both microanatomical and geological data suggests an essentially terrestrial mode of life. This discovery reveals itself particularly interesting concerning the evolutionary history of varanoids as this new Spanish taxon might correspond to the oldest terrestrial varanoid known to date. © 2012 Elsevier Ltd.


Perez-Garcia A.,Complutense University of Madrid | Murelaga X.,University of the Basque Country | Huerta P.,Museo de Dinosaurios de Salas de los Infantes | Huerta P.,University of Salamanca | Torcida Fernandez-Baldor F.,Museo de Dinosaurios de Salas de los Infantes
Cretaceous Research | Year: 2012

Knowledge of the turtle fauna from the Lower Cretaceous of the Iberian Peninsula has been very limited until now. There are several fossil sites where Lower Cretaceous associations of continental vertebrates have been found. Although turtles have been identified in some of them, most of these specimens have not been studied, so the diversity is unknown. Among all these findings, the turtles from the Cameros Basin are considered particularly relevant, both in their abundance and diversity. Their study has allowed the identification of several taxa. At least one representative of Solemydidae and three taxa of Eucryptodira are recognized. This study establishes kinship and biogeographic relationships between the taxa in Cameros with those found in other Spanish fossil sites and with those of other European regions. © 2011 Elsevier Ltd.


Dieudonne P.-E.,University of Zaragoza | Tortosa T.,Reserve Naturelle Nationale Sainte Victoire | Fidel T.F.-B.,Museo de Dinosaurios de Salas de los Infantes | Canudo J.I.,University of Zaragoza | Diaz-Martinez I.,National University of Rio Negro
PLoS ONE | Year: 2016

Disarticulated and incomplete remains from a new diminutive ornithopod are described. They come from the Cameros Basin in the north of Spain and were collected from the red clays of the Castrillo de la Reina Formation, ranging from Upper Barremian to Lower Aptian. The new ornithopod described here is slender and one of the smallest ever reported. An up-to-date phylogenetic analysis recovers this taxon as a basal iguanodontian. Its unique combination of characters makes itmore derived than slender ornithopods like Hyphilophodon and Gasparinisaura, and bring very interesting insights into the basal iguanodontian phylogeny. Though possessing a minimum of three premaxillary teeth, this taxon also bears an extensor ilio-tibialis groove on the distal part of its femur. Moreover, its dentary and maxillary teeth are unique, remarkably similar to those regarded as having a "rhabdomorphan" affinity. This unknown taxon is suggested to be a stemtaxon within Rhabdodontidae, a successful clade of basal iguanodonts from the Late Cretaceous of Europe. The Gondwanan ornithopods share the strongest affinities with this family, and we confirm Muttaburrasaurus as a sister taxon of the Rhabdodontidae within a newly defined clade, the Rhabdodontomorpha. © 2016 Dieudonné et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Canudo J.I.,University of Zaragoza | Barco J.L.,University of Zaragoza | Castanera D.,University of Zaragoza | Torcida Fernandez-Baldor F.,Museo de Dinosaurios de Salas de los Infantes
Palaontologische Zeitschrift | Year: 2010

In recent decades a unique association of basal neosauropod and turiasaur sauropods has been described from the Jurassic-Cretaceous transition of Spain. In this context, a sauropod femur from the Tithonian-Berriasian is studied for the first time. The femur in question is an isolated specimen, recovered from the Tera Group in Tera (Soria). It displays a unique mosaic of derived characters as yet undescribed in femora of the Upper Jurassic and Lower Cretaceous of Spain. A prominent lateral bulge, high eccentricity, and a lateromedially flattened proximal end link the femur from Tera with Titanosauriformes. Moreover, it presents a significant distal projection of the tibial condyle, a character observed in Asiatic Titanosauriformes of the Lower Cretaceous. The femur from Tera adds a fifth sauropod taxon to the Tithonian-Berriasian of Spain, and, for the first time, a representative of Titanosauriformes. © 2010 Springer-Verlag.


Huerta P.,University of Salamanca | Fernandez-Baldor F.T.,Museo de Dinosaurios de Salas de los Infantes | Farlow J.O.,Indiana University | Montero D.,Museo de Dinosaurios de Salas de los Infantes
Terra Nova | Year: 2012

Theropod dinosaur footprints at the Costalomo tracksite (Pinilla de los Moros Formation, Upper Hauterivian-Lower Barremian, western Cameros Basin, Salas de los Infantes, Burgos Province, Spain) show unusual preservation of a previously undescribed nature. The footprints occur as casts (positive epireliefs) at the top of a sandstone bed and preserve exceptional details of the top of the digit and claw morphology, and of digital interactions with the sediment during penetration and extraction from the sediment. Footprint formation and preservation occurred in the following stages: (1) The dinosaur stepped on a thin (4-8cm thick) mud layer, its foot sinking to contact an underlying sand layer (channel fill); (2) voids left in the cohesive mud after foot withdrawal were later filled with sand; (3) subsequent deposition, burial and Alpine compression indurated the muds and the sands of both the footprint casts and the underlying channel sand layer; and (4) modern erosion exposed the footprint casts, by removing the mud above the sandstone. © 2012 Blackwell Publishing Ltd.

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