Current situation of the ichnological locality of São Domingos from the Corda Formation (Lower Cretaceous), northern Tocantins state, Brazil

Valais, Silvina de; Candeiro, Carlos Roberto A.; Tavares, L.F.; Alves, Yuri Modesto; Cruvinel, C.

doi:10.1016/j.jsames.2014.09.023

Cited by 12 publications

(17 citation statements)

References 15 publications

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“…However, dinosaur footprints, although rare, are more common, with reports (in addition to those of Degenhardt in Mahlmann (1840)) of unidentified footprints from the Jurassic; titanosaurid sauropod, theropod, and rare ornithopod footprints from the uppermost Jurassic/lowermost Cretaceous; and theropod footprints from the Lower Cretaceous (Moreno-Sánchez & Gómez-Cruz, 2013;Moreno-Sánchez et al, 2011). Hence, most dinosaurs reported from Colombia have been attributed to Saurischia, either members of Theropoda or Sauropoda (although some of these taxonomic assignments have been questioned; de Valais et al, 2015), whereas only a small number of footprints have been ascribed to small-or medium-sized ornithopods (Moreno-Sánchez et al, 2011).…”

Section: Dinosaurs In Colombiamentioning

confidence: 99%

“…A migration route across Tethys for large, mobile dinosaurs such as iguanodontians fails to explain the absence of Iguanodontipus footprints in the more southerly parts of Gondwana. The bestknown Gondwanan dinosaur faunas are those from southwest South America: Argentina and Brasil (e.g., Bittencourt & Langer, 2011;Costa da Silva et al, 2012;de la Fuente et al, 2007;de Valais et al, 2015;Moreno et al, 2012;Pazos et al, 2012). However, Gondwanan dinosaurs are also known from South Africa (de Klerk et al, 2000;Haughton, 1915) and Australia (Poropat et al, 2016;Romilio & Salisbury, 2011;Thulborn, 2016), whereas the dinosaurian faunas from northern South America are much more poorly known (Sereno et al, 1994;Weishampel et al, 2004 landmasses during the Early Cretaceous (de Klerk et al, 2000), it has often been assumed Gondwanan dinosaurs were widely distributed, continuing the trend from the Jurassic (e.g., Barrett et al, 2011;Cox, 1974;Sereno et al, 1994).…”

Section: Gondwanan Dinosaur Provincialismmentioning

confidence: 99%

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Dinosaur remains from northwestern South America are rare, with only extremely scarce fossil evidence recovered from Colombia. Here we report six dinosaur footprints preserved on a sub-vertical bedding plane of the upper Valanginian -lower Hauterivian Batá Formation, Santa María, Boyacá Department, Colombia. The Batá Formation consists of a thick succession of conglomerates and sandstones with shale intercalations interpreted as deposited along the palaeoshoreline of an epicontinental seaway. Four of the footprints form a trackway made by a single dinosaur, which is interpreted as a sub-adult ornithopod, estimated at 8 m in length, weighing around 2.5 metric tons, and travelling at an average walking speed of almost 5 km/h. The footprints are assigned to the ichnogenus Iguanodontipus, and were probably produced by an iguanodontian dinosaur. Prior to this work, Iguanodontipus was considered an exclusively European taxon, making this a unique record of the ichnogenus in Gondwana. The presence of Iguanodontipus in northern South America suggests an Early Cretaceous sweepstake, with dinosaurs crossing Tethys Ocean into modern-day northern Africa, and migrating along the northern shores of Gondwana into modern-day South America. Range extension of iguanodontian ornithopods southwards into Gondwana during the Early Cretaceous was apparently prevented by the Central Gondwana Desert Belt, possibly as a result of the palaeoecology of these dinosaurs, which seem to have had an affinity for environments rich in water and lush vegetation. A migration route across Tethys and the Central Gondwana Desert Belt helps explain similarities between northern Gondwanan and southern Laurasian dinosaurs, and the differences between northern and southern Gondwanan faunas, during the Early Cretaceous.

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Section: Dinosaurs In Colombiamentioning

confidence: 99%

Section: Gondwanan Dinosaur Provincialismmentioning

confidence: 99%

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2019

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“…Originally, this fossil site was composed of at least seven trackways accounting for fifty-six footprints assigned to iguanodontid dinosaurs (Leonardi 1980). Subsequently, they were reassigned to sauropod tracks (Leonardi 1994;de Valais et al 2012;de Valais and Tavares 2013), particularly to basal sauropod, basal macronarians, or diplodocoids (de Valais et al 2014). Based on the morphology and spatial distribution of the tracks, and on the known paleofauna of the region, we agree with this later inference.…”

Section: Remarksmentioning

confidence: 99%

“…It is usually accepted that sauropod footprints are divided into two main categories based on the width of the trackways, namely wide-and narrow-gauge trackways, i.e., Brontopodus or like and Parabrontopodus or like, respectively (Lockley et al 1994). On the basis of the distinction, the footprints from São Domingos have been considered into the narrow-gauge or Parabrontopodus-like group (sensu de Valais et al 2014). …”

Section: Remarksmentioning

confidence: 99%

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Amazonian Lower Cretaceous North Tocantins State (Brazil) dinosaur track site: conservation significance

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On the left bank of the Tocantins River, near São Domingos, State of Tocantins, northern Brazil, there are at least six vertebrate trackways from the Barremian Corda Formation (Parnaíba Basin) first reported by Leonardi (BuenosAires 1: [215][216][217][218][219][220][221][222] 1980) and assigned to iguanodontid dinosaurs. Later, these trackways were reassigned as belonging to sauropods. Until 2011, this locality was subject to river floods during seasonal rain cycles. Since then, the amount of water on the flatstones was substantially modified due the implantation of the ''Usina Hidroeletrica de Estreito'', which has a dam 160 km upstream from the trackways locality. Recent fieldwork in the area has revealed that only a part of four original trackways is still preserved. The specimens, with poor to moderate preservation, are represented by large semicircular pes imprints lacking digital impressions mostly overlapping the hand print, which supports a sauropodian origin. Here, the authors consider and suggest geotourism as an important tool to protect and preserve the São Domingos' footprints.

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Dinosaur Footprints Throughout Mesozoic Basins in Brazil

Carvalho

2024

Dinosaur Tracks of Mesozoic Basins in Brazil

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Current situation of the ichnological locality of São Domingos from the Corda Formation (Lower Cretaceous), northern Tocantins state, Brazil

Cited by 12 publications

References 15 publications

Chapter 11

Chapter 11

Amazonian Lower Cretaceous North Tocantins State (Brazil) dinosaur track site: conservation significance

Dinosaur Footprints Throughout Mesozoic Basins in Brazil

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