Sauropod and theropod dinosaur tracks from the Upper Cretaceous of Mendoza (Argentina): Trackmakers and anatomical evidences

Riga, Bernardo J. González; David, Leonardo Daniel Ortiz; Tomaselli, María Belén; Candeiro, Carlos Roberto dos Anjos; Coria, Juan Pedro; Prámparo, Mercedes B.

doi:10.1016/j.jsames.2014.11.006

Cited by 20 publications

(18 citation statements)

References 17 publications

(14 reference statements)

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“…4d–f ; Supplementary Figs S4–S8 ). The astragalus is the only ossified element of the tarsus, as in all other unquestionable titanosaurians in which this skeletal region has been preserved in articulation (i.e., Epachthosaurus 22 , Opisthocoelicaudia 18 , an unidentified titanosaur from Agua del Padrillo, Argentina [UNCUYO-LD 313 23 ], and another unidentified taxon from La Invernada, Argentina [Museo de la Universidad Nacional del Comahue (MUCPv-)1533 24 ]). The astragalus is mediolaterally reduced and has a slightly concave lateral face for the articulation of the fibula.…”

Section: Resultsmentioning

confidence: 99%

“…obs. of an associated but disarticulated specimen) and the Agua del Padrillo and La Invernada titanosaurs 23 ( Table 3 ). Other titanosauriforms, by contrast, differ in the number of phalanges on digits III–V.…”

Section: Resultsmentioning

confidence: 99%

“…5a for taxa included therein, Mannion et al 55 : fig. 22 for Janenschia and Gobititan , and González Riga et al 23 24 for the Agua del Padrillo and La Invernada titanosaurs. Note overall decrease in total phalangeal number through sauropod evolution, and apparently progressive loss of phalanges on digits III and IV within Titanosauria.…”

Section: Figurementioning

confidence: 96%

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A gigantic new dinosaur from Argentina and the evolution of the sauropod hind foot

Riga

Lamanna

David

et al. 2016

Sci Rep

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Titanosauria is an exceptionally diverse, globally-distributed clade of sauropod dinosaurs that includes the largest known land animals. Knowledge of titanosaurian pedal structure is critical to understanding the stance and locomotion of these enormous herbivores and, by extension, gigantic terrestrial vertebrates as a whole. However, completely preserved pedes are extremely rare among Titanosauria, especially as regards the truly giant members of the group. Here we describe Notocolossus gonzalezparejasi gen. et sp. nov. from the Upper Cretaceous of Mendoza Province, Argentina. With a powerfully-constructed humerus 1.76 m in length, Notocolossus is one of the largest known dinosaurs. Furthermore, the complete pes of the new taxon exhibits a strikingly compact, homogeneous metatarsus—seemingly adapted for bearing extraordinary weight—and truncated unguals, morphologies that are otherwise unknown in Sauropoda. The pes underwent a near-progressive reduction in the number of phalanges along the line to derived titanosaurs, eventually resulting in the reduced hind foot of these sauropods.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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A gigantic new dinosaur from Argentina and the evolution of the sauropod hind foot

Riga

Lamanna

David

et al. 2016

Sci Rep

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“…Other theropod tracks known from the Neuquén Basin, beyond those already mentioned from the Candeleros Formation, include those documented in the Valanginian-Hauterivian/Barremian Agrio Formation from the Mendoza Group (Pazos et al, 2012) and the Campanian-Maastrichtian Loncoche Formation from the Malargüe Group (González Riga et al, 2015). The theropod tracks from the Agrio Formation assigned to cf.…”

Section: Ichnotaxonomymentioning

confidence: 85%

Gregarious behaviour among non-avian theropods inferred from trackways: A case study from the Cretaceous (Cenomanian) Candeleros Formation of Patagonia, Argentina

Heredia

Díaz-Martínez

Pazos

et al. 2020

Palaeogeography, Palaeoclimatology, Palaeoecology

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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“…3a). This depression is known as the coracobrachialis fossa (González Riga et al 2015) and it corresponds to the coracobrachialis brevis muscle insertion (Borsuk-Białynicka 1977).…”

Section: Descriptionmentioning

confidence: 99%

New data on sauropod palaeobiodiversity at the Jurassic-Cretaceous transition of Spain (Burgos)

Fernández-Baldor¹,

Huerta

2020

J Iber Geol

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The present paper studies a humerus (MDS-VPCR, 214) recovered from the site of Valdepalazuelos-Tenadas del Carrascal (Burgos, Spain). Geologically, it is located at the base of the Rupelo Formation (Cameros Basin), which is Tithonian-Berriasian in age. This formation is interpreted as shallow lacustrine/palustrine deposits with low-gradient margins and periodic changes in the water level. MDS-VPCR, 214 is gracile and straight, and has a larger mediolateral expansion at its proximal end than at the distal end. The deltopectoral crest is well expanded anteroposteriorly and extends towards the midline of the shaft. The distal articular head has radial and ulnar condyles similar in degree of development and there is a narrow groove between them. The distal articular surface is not divided between the ulnar and radial condyles; this surface extends towards the anterior and posterior surfaces of the humerus. MDS-VPCR, 214 shows significant morphological differences with respect to the humeri of the Iberian sauropods of the Jurassic-Cretaceous transition such as the turiasaurians Losillasaurus, Zby and Turiasaurus, the basal macronarians Lourinhasaurus and Aragosaurus, and the titanosauriforms Lusotitan, Galvesaurus.A phylogenetic analysis of MDS-VPCR, 214 relates it to Titanosauriformes probably a basal brachiosaurid related with the english genus of Kimmeridgian Duriatitan. Therefore MDS-VPCR, 214 is assigned provisionally to aff. Duriatitan.

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Sauropod and theropod dinosaur tracks from the Upper Cretaceous of Mendoza (Argentina): Trackmakers and anatomical evidences

Cited by 20 publications

References 17 publications

A gigantic new dinosaur from Argentina and the evolution of the sauropod hind foot

A gigantic new dinosaur from Argentina and the evolution of the sauropod hind foot

Gregarious behaviour among non-avian theropods inferred from trackways: A case study from the Cretaceous (Cenomanian) Candeleros Formation of Patagonia, Argentina

New data on sauropod palaeobiodiversity at the Jurassic-Cretaceous transition of Spain (Burgos)

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