André Barcelos-Silveira

Universidade Federal do Rio Grande do Sul

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Co-Authors

Paula Dentzien‐Dias

Universidade Federal do Rio Grande do Sul

Heitor Francischini

Universidade Federal do Rio Grande do Sul

César Leandro Schultz

Universidade Federal do Rio Grande do Sul

Rafael Antunes Dias

Universidade Federal de Pelotas

Denner Deiques Cardoso

Gabriel S. Sipp

Universidade Federal do Rio Grande do Sul

Leandro Bugoni

Universidade Federal do Rio Grande

Carlos Eduardo Agne

Pontifícia Universidade Católica do Rio Grande do Sul

Denner Deiques

Cooperative Institutions

Universidade Federal do Rio Grande do Sul

Universidade Federal do Rio Grande

University of Rio Grande and Rio Grande Community College

Instituto de Geociencias

Consejo Nacional de Investigaciones Científicas y Técnicas

Universidade Federal do Triângulo Mineiro

Universidade Federal de Pelotas

Universidade Católica de Pelotas

Museu de Ciências Naturais da Fundação Zoobotânica do Rio Grande do Sul

NOAA National Marine Fisheries Service Alaska Fisheries Science Center

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Registration, morphology and taphonomy of feeding structures produced by Chilean Flamingos (Phoenicopterus chilensis) in a lagoonal/barrier depositional system in southern Brazil

Journal of South American Earth Sciences (2023)

André Barcelos-Silveira Paula Dentzien‐Dias Heitor Francischini César Leandro Schultz

Taphonomy

Ichnology

Cobble

10.1016/j.jsames.2023.104396

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Citations (1)

Dinosaur Tracks from the Guará Formation (Brazil) Shed Light on the Biodiversity of a South American Late Jurassic Humid Desert

Denner Deiques André Barcelos-Silveira Paula Dentzien‐Dias Heitor Francischini

Desert (philosophy)

10.2139/ssrn.5017760

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Citations (0)

Dinosaur tracks from the Guará Formation (Brazil) shed light on the biodiversity of a South American Late Jurassic humid desert

Journal of South American Earth Sciences (2025)

Denner Deiques Cardoso André Barcelos-Silveira Paula Dentzien‐Dias Heitor Francischini

Desert (philosophy)

10.1016/j.jsames.2025.105364

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Citations (0)

Revisiting the southernmost occurrence of Brasilichnium elusivum Leonardi, 1981 with comments on the tetrapod track record of eolian environments

Revista Brasileira de Paleontologia (2022)

Heitor Francischini Gabriel S. Sipp André Barcelos-Silveira César Leandro Schultz Paula Dentzien‐Dias

Mammalian lineage is deep rooted in Mesozoic, with several taxa and ichnotaxa described worldwide. One of the most prolific mammaliaform ichnospecies is Brasilichnium elusivum, which is extremely abundant in the Lower Cretaceous Botucatu Formation of the Brazilian Paraná Basin, as well as in other Mesozoic ichnofaunas of North America and Africa. In this contribution, we revisited the proposed southernmost occurrence of B. elusivum using both classical and photogrammetric (3D digitization) approaches. The flagstone containing the studied material was found ex situ, in a sidewalk at Santa Cruz do Sul Municipality (the Rio Grande do Sul State, Brazil), and the results of the performed analysis showed that the tracks cannot be assigned to any ichnotaxon. Lastly, some significant issues related to ichnological research of ex situ track-bearing flagstones and large eolian deposits are discussed. Keywords: Early Cretaceous, Botucatu Formation, mesozoic mammals, South America, vertebrate ichnology.

Tetrapod (structure)

Ichnology

10.4072/rbp.2022.4.01

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Citations (2)

New records and a review of the distribution of the Arctic Tern Sterna paradisaea Pontoppidan, 1763 (Aves: Sternidae) in Brazil

Check List (2012)

Rafael Antunes Dias Carlos Eduardo Agne André Barcelos-Silveira Leandro Bugoni

We report new records of the Arctic Tern Sterna paradisaea Pontoppidan, 1763 for the coast of Rio Grande do Sul, southernmost Brazil. Birds were in first alternate plumage, apparently overwintering in the region. A literature and museum review revealed the existence of 21 localities with records of this species in Brazil. Ten specimens were obtained in the country, attributable to eight localities. Records from five other localities were documented with band recoveries or photographs. We were able to clarify information from one of the undocumented records, while the remaining requires further investigation and/or documentation. Our review and new information on migration routes confirm that the Arctic Tern in Brazil is a regular, seasonal visitor from the northern hemisphere. We also suggest that waters off south Brazil may be used by overwintering individuals, especially during the austral winter.

Tern

Sterna

Overwintering

Plumage

Ornithology

10.15560/8.3.563

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Citations (4)