New dinosaur remains from the Late Triassic of southern Brazil (Candelária Sequence, <i>Hyperodapedon</i> Assemblage Zone)

Pretto, Flávio Augusto; Schultz, César Leandro; Langer, Max C.

doi:10.1080/03115518.2015.994114

Cited by 25 publications

(11 citation statements)

References 55 publications

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“…Recently, two fragmentary dinosauriform specimens were reported for this site (Müller et al 2014;Pretto et al Forthcoming). CAPPA/UFSM 0027 increases this record, as they are still very scarce in the 'Janner' outcrop and even in the Santa Maria Formation as a whole, when compared with coeval Argentine deposits.…”

Section: Discussionmentioning

confidence: 92%

“…This Argentinean unit was recently radioisotopically dated as 231.4^0.3 Ma (Martínez et al 2011). Besides these two genera, the vertebrate fauna of the 'Janner' outcrop also comprises the ecteniniid cynodont Trucidocynodon riograndensis (Oliveira et al 2010), the early dinosaur Pampadroameus barberenai, and indeterminate dinosauriforms (Müller et al 2014;Pretto et al Forthcoming).…”

Section: Locality and Horizonmentioning

confidence: 99%

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The femoral anatomy of Pampadromaeus barberenai based on a new specimen from the Upper Triassic of Brazil

et al. 2015

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Femora of the holotype and only previously known specimen of the early sauropodomorph Pampadromaeus barberenai are incomplete and fractured. Here, we describe a new complete femur assigned to Pampadromaeus barberenai, quarried from the same outcrop of original type specimen: 'Janner' site, (Carnian of the Paraná Basin). It shares with the holotype of Pampadromaeus barberenai a unique combination of features: anteromedial tuber slightly posteromedially displaced; lesser trochanter proximodistally oriented with the proximal tip gently connected to the femoral shaft; fourth trochanter located on the medial margin along the mediolateral axis of the femur and with an assymetrical outline. In addition, we propose a femoral autapomorphy for Pampadromaeus barberenai: lateral condyle of the distal end of the femur extremely reduced lateromedially. Two distinct phylogenetic analyses place the new specimen as the sister-group of the Pampadromaeus barberenai type-specimen and, in one of them, they are nested within Sauropodomorpha, corroborating the original description and taxonomic assignation.

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Section: Discussionmentioning

confidence: 92%

Section: Locality and Horizonmentioning

confidence: 99%

The femoral anatomy of Pampadromaeus barberenai based on a new specimen from the Upper Triassic of Brazil

et al. 2015

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“…These include the type-materials of the early sauropodomorph Pampadromaeus barberenai (Cabreira et al, 2011) and the carnivorous cynodont Trucidocynodon riograndensis (de Oliveira, Soares & Schultz, 2010). The predominant taxon at the site is the herbivorous traversodontid Exaeretodon riograndensis, but rhynchosaurs (Hyperodapedontidae) and non-identified dinosauromorph remains have also been reported from the site (de Oliveira et al, 2007;Liparini et al, 2013;Müller et al, 2014;Pretto et al, 2015).…”

Section: Geological Settingsmentioning

confidence: 99%

“…Carnian sauropodomorphs come from deposits of the Candelária Sequence (Santa Maria Formation) in southern Brazil and include Saturnalia tupiniquim, Pampadromaeus barberenai and Buriolestes schultzi (Langer et al, 1999;Cabreira et al, 2011Cabreira et al, , 2016; and from the Ischigualasto Formation of north-western Argentina, with Eoraptor lunensis, Panphagia protos and Chromogisaurus novasi (Sereno et al, 1993(Sereno et al, , 2013Martinez & Alcober, 2009;Ezcurra, 2010). In both geological units, the group is a minor component of vertebrate faunas, and is represented by taxa of relatively modest body size (Martínez et al, 2013;Sereno et al, 2013;Pretto, Schultz & Langer, 2015). Apart from the size, these sauropodomorphs lack many anatomical traits shared by post-Carnian members of the group (e.g.…”

Section: Introductionmentioning

confidence: 99%

A new dinosaur (Saurischia: Sauropodomorpha) from the Late Triassic of Brazil provides insights on the evolution of sauropodomorph body plan

Pretto

Langer

Schultz

2018

Zoological Journal of the Linnean Society

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A new sauropodomorph dinosaur from the Late Triassic Candelária Sequence (Santa Maria Formation), south Brazil, Bagualosaurus agudoensis gen. et sp. nov., helps to fill a morphological gap between the previously known Carnian members of the group and younger sauropodomorphs. In some aspects, the skull, lower jaw, and dental anatomy of the new taxon approaches that seen in Norian forms like Pantydraco caducus, Efraasia minor, and Plateosaurus engelhardti. On the contrary, the post-cranial skeleton is broadly reminiscent of coeval, early dinosaurs. Although not reaching the size of most Norian and younger sauropodomorphs, B. agudoensis is significantly larger than coeval forms. The new data thus suggest that modifications in skull anatomy, possibly related to more efficient herbivorous habits, appeared early in sauropodomorph evolution, along with a moderate increase in size, followed in post-Carnian times by further increase in size, accompanied by more radical changes in post-cranial anatomy.

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“…The oldest and well dated known undisputed members of this group date from the Carnian stage of the Late Triassic Pretto et al 2015). However, the late Anisian representative of Silesauridae (Dinosauriformes), and supposed earliest representative of Dinosauria were recently proposed (Nesbitt, Sidor et al 2010;Nesbitt et al 2013).…”

Section: Introductionmentioning

confidence: 98%

A re-evaluation of the historical ‘dinosaur’ remains from the Middle-Upper Triassic of Poland

Skawiński

Ziegler²,

Czepiński

et al. 2016

Historical Biology

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New dinosaur remains from the Late Triassic of southern Brazil (Candelária Sequence, Hyperodapedon Assemblage Zone)

Cited by 25 publications

References 55 publications

The femoral anatomy of Pampadromaeus barberenai based on a new specimen from the Upper Triassic of Brazil

The femoral anatomy of Pampadromaeus barberenai based on a new specimen from the Upper Triassic of Brazil

A new dinosaur (Saurischia: Sauropodomorpha) from the Late Triassic of Brazil provides insights on the evolution of sauropodomorph body plan

A re-evaluation of the historical ‘dinosaur’ remains from the Middle-Upper Triassic of Poland

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