Unusual sauropod tracks in the Jurassic-Cretaceous transition. Cameros Basin (Burgos, Spain)

Fernández-Baldor, Fidel Torcida; Díaz-Martínez, Ignacio; Contreras, Reyna Leticia Rodriguez; Huerta, Pedro; Montero, Diego; Urién, V.

doi:10.5209/rev_jige.2015.v41.n1.48660

Cited by 10 publications

(7 citation statements)

References 34 publications

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“…As a whole, the sequence represents a distal fluvial–alluvial system originating from the southwest. In the last 10 years, an abundant fossil fauna of dinosaurs and other vertebrates has been described in this formation ( Pereda-Suberbiola et al, 2003 ; Torcida Fernández-Baldor, 2006 ; Torcida Fernández-Baldor et al, 2005 , 2008 , 2011 , 2015 ; Pérez-García et al, 2011 ). The age of the Castrillo de la Reina Fm.…”

Section: Location and Geological Settingmentioning

confidence: 99%

Europatitan eastwoodi, a new sauropod from the lower Cretaceous of Iberia in the initial radiation of somphospondylans in Laurasia

Fernández-Baldor¹,

Huerta

Moreno‐Azanza

et al. 2017

PeerJ

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The sauropod of El Oterillo II is a specimen that was excavated from the Castrillo de la Reina Formation (Burgos, Spain), late Barremian–early Aptian, in the 2000s but initially remained undescribed. A tooth and elements of the axial skeleton, and the scapular and pelvic girdle, represent it. It is one of the most complete titanosauriform sauropods from the Early Cretaceous of Europe and presents an opportunity to deepen our understanding of the radiation of this clade in the Early Cretaceous and study the paleobiogeographical relationships of Iberia with Gondwana and with other parts of Laurasia. The late Barremian–early Aptian is the time interval in the Cretaceous with the greatest diversity of sauropod taxa described in Iberia: two titanosauriforms, Tastavinsaurus and Europatitan; and a rebbachisaurid, Demandasaurus. The new sauropod Europatitan eastwoodi n. gen. n. sp. presents a series of autapomorphic characters in the presacral vertebrae and scapula that distinguish it from the other sauropods of the Early Cretaceous of Iberia. Our phylogenetic study locates Europatitan as the basalmost member of the Somphospondyli, clearly differentiated from other clades such as Brachiosauridae and Titanosauria, and distantly related to the contemporaneous Tastavinsaurus. Europatitan could be a representative of a Eurogondwanan fauna like Demandasaurus, the other sauropod described from the Castrillo de la Reina Formation. The presence of a sauropod fauna with marked Gondwananan affinities in the Aptian of Iberia reinforces the idea of faunal exchanges between this continental masses during the Early Cretaceous. Further specimens and more detailed analysis are needed to elucidate if this Aptian fauna is caused by the presence of previously unnoticed Aptian land bridges, or it represents a relict fauna from an earlier dispersal event.

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Section: Location and Geological Settingmentioning

confidence: 99%

Europatitan eastwoodi, a new sauropod from the lower Cretaceous of Iberia in the initial radiation of somphospondylans in Laurasia

Fernández-Baldor¹,

Huerta

Moreno‐Azanza

et al. 2017

PeerJ

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“…pentadactylus (Kim and Lockley, 2012), Titanopodus mendozensis (Gonz alez Riga and Calvo, 2009), Parabrontopodus mcintoshi (Lockley et al, 1994a), and Breviparopus taghbaloutensis (Belvedere, 2009;Marty et al, 2010). The wide contour of the morphotype E pedal tracks contrasts with the elongated piriform to subtriangular outlines usually occurring in sauropod pedal tracks that show excellent textural preservation and morphological detail (e.g., photographs of pedal impressions in Farlow et al, 1989;Pascual Arribas et al, 2009;Torcida Fern andez-Baldor et al, 2015;Xing et al, 2016c).…”

Section: Broome Sauropod Morphotype Ementioning

confidence: 99%

The Dinosaurian Ichnofauna of the Lower Cretaceous (Valanginian–Barremian) Broome Sandstone of the Walmadany Area (James Price Point), Dampier Peninsula, Western Australia

Salisbury

Romilio

Herne

et al. 2016

Journal of Vertebrate Paleontology

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Extensive and well-preserved tracksites in the coastally exposed Lower Cretaceous (Valanginian-Barremian) Broome Sandstone of the Dampier Peninsula provide almost the entire fossil record of dinosaurs from the western half of the Australian continent. Tracks near the town of Broome were described in the late 1960s as Megalosauropus broomensis and attributed to a medium-sized theropod trackmaker. Brief reports in the early 1990s suggested the occurrence of at least another nine types of tracks, referable to theropod, sauropod, ornithopod, and thyreophoran trackmakers, at scattered tracksites spread over more than 80 km of coastline north of Broome, potentially representing one of the world's most diverse dinosaurian ichnofaunas. More recently, it has been proposed that this number could be as high as 16 and that the sites are spread over more than 200 km. However, the only substantial research that has been published on these more recent discoveries is a preliminary study of the sauropod tracks and an account of the ways in which the heavy passage of sauropod trackmakers may have shaped the Dampier Peninsula's Early Cretaceous landscape. With the other types of dinosaurian tracks in the Broome Sandstone remaining undescribed, and the full extent and nature of the Dampier Peninsula's dinosaurian tracksites yet to be adequately addressed, the overall scientific significance of the ichnofauna has remained enigmatic.At the request of the area's Goolarabooloo Traditional Custodians, 400C hours of ichnological survey work was undertaken from 2011 to 2016 on the 25 km stretch of coastline in the Yanijarri-Lurujarri section of the Dampier Peninsula, inclusive of the coastline at Walmadany (James Price Point). Forty-eight discrete dinosaurian tracksites were identified in this area, and thousands of tracks were examined and measured in situ and using three-dimensional photogrammetry. Tracksites were concentrated in three main areas along the coast: Yanijarri in the north, Walmadany in the middle, and Kardilakan-Jajal Buru in the south. Lithofacies analysis revealed 16 repeated facies types that occurred in three distinctive lithofacies associations, indicative of an environmental transgression between the distal fluvial to deltaic portions of a large braid plain, with migrating sand bodies and periodic sheet floods. The main dinosaurian track-bearing horizons seem to have been generated between periodic sheet floods that blanketed the preexisting sand bodies within the braid plain portion of a tidally influenced delta, with much of the original, gently undulating topography now preserved over large expanses of the present day intertidal reef system. Of the tracks examined, 150 could be identified and are assignable to a least eleven and possibly as many as 21 different track types: five different types of theropod tracks, at least six types of sauropod tracks, four types of ornithopod tracks, and six types of thyreophoran tracks. Eleven of these track types can formally be assigned or compared to existing or new ichnotaxa,...

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“…Additionally, the collection includes ornithopod tracks (Fig. 4F) related to the typical ornithopod ichnotaxa Iguanodontipus Díaz-Martínez et al 2015), as well as specimens of stegosaur tracks (Deltapodus), one of them being the only as yet known stegosaur track in the Early Cretaceous of Europe . Other significant tracks are the huge sauropod casts from the tracksite of Las Cuestas I (Pascual-Arribas and Hernández-Medrano 2010), which have preserved clear claw marks in detail, a feature not usually reported in sauropod tracks (Wright 2005).…”

Section: The Footprint Collection Of the Numantine Museummentioning

confidence: 99%

Bringing Together Research, Geoconservation and Reaching a Broad Public in the Form of a Geotourism Project: the Ichnite Route of Soria (Spain)

Castanera

Pascual²,

Barco³

2017

Geoheritage

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A detailed evaluation of the palaeoichnological work carried out in the Highlands ("Tierras Altas") of Soria (Spain) over the last 35 years is provided. The scientific research performed by different teams on the vertebrate tracksites of the Early Cretaceous deposits of the Huérteles Fm. has engendered and fostered the "Ruta de las icnitas de Soria" (Ichnite Route of Soria) project, which consists both of geoconservation work on the main vertebrate tracksites and of drawing public attention to their existence. The ichnite route represents a good example of how scientific research may help to promote projects based on geotourism. Further, the research has also led to the recovery of a significant collection of vertebrate footprints that are currently housed in the Numantine Museum ("Museo Numantino") in Soria. This collection is one of the finest from the beginning of the Early Cretaceous both in terms of the number and quality of the tracks and in terms of their ichnodiversity (footprint types). Drawing increased attention to this collection by putting it on public display would be an exceptional complement to the ichnite route, as it would mean that visitors could also see other tracks.

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Unusual sauropod tracks in the Jurassic-Cretaceous transition. Cameros Basin (Burgos, Spain)

Cited by 10 publications

References 34 publications

Europatitan eastwoodi, a new sauropod from the lower Cretaceous of Iberia in the initial radiation of somphospondylans in Laurasia

Europatitan eastwoodi, a new sauropod from the lower Cretaceous of Iberia in the initial radiation of somphospondylans in Laurasia

The Dinosaurian Ichnofauna of the Lower Cretaceous (Valanginian–Barremian) Broome Sandstone of the Walmadany Area (James Price Point), Dampier Peninsula, Western Australia

Bringing Together Research, Geoconservation and Reaching a Broad Public in the Form of a Geotourism Project: the Ichnite Route of Soria (Spain)

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