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A forged 'chimera' including the second specimen of the protostegid sea turtle Santanachelysgaffneyi and shell parts of the pleurodire Araripemys from the Lower Cretaceous Santana Group of Brazil.
Scheyer TM, Oliveira GR, Romano PSR, Bastiaans D, Falco L, Ferreira GS, Rabi M. Scheyer TM, et al. Among authors: oliveira gr. Swiss J Palaeontol. 2023;142(1):6. doi: 10.1186/s13358-023-00271-9. Epub 2023 May 5. Swiss J Palaeontol. 2023. PMID: 37163143 Free PMC article.
The largest flying reptile from Gondwana: a new specimen of Tropeognathus cf. T. mesembrinus Wellnhofer, 1987 (Pterodactyloidea, Anhangueridae) and other large pterosaurs from the Romualdo Formation, Lower Cretaceous, Brazil.
Kellner AW, Campos DA, Sayão JM, Saraiva AA, Rodrigues T, Oliveira G, Cruz LA, Costa FR, Silva HP, Ferreira JS. Kellner AW, et al. An Acad Bras Cienc. 2013 Mar;85(1):113-35. doi: 10.1590/s0001-37652013000100009. An Acad Bras Cienc. 2013. PMID: 23538956 Free article.
Paleoenvironment of the Cerro Negro Formation (Aptian, Early Cretaceous) of Snow Island, Antarctic Peninsula.
Santos A, Piovesan EK, Guzmán J, Usma CD, Weinschütz LC, Santos RJMD, Oliveira GR, Figueiredo RG, Ricetti JHZ, Wilner E, Sayão JM, Kellner AWA. Santos A, et al. Among authors: oliveira gr. An Acad Bras Cienc. 2022 Feb 18;94(suppl 1):e20201944. doi: 10.1590/0001-3765202220201944. eCollection 2022. An Acad Bras Cienc. 2022. PMID: 35195186 Free article.
First record of insect-plant interaction in Late Cretaceous fossils from Nelson Island (South Shetland Islands Archipelago), Antarctica.
Santos Filho EBD, Brum AS, Souza GA, Figueiredo RG, Usma CD, Ricetti JHZ, Trevisan C, Leppe M, Sayão JM, Lima FJ, Oliveira GR, Kellner AWA. Santos Filho EBD, et al. Among authors: oliveira gr. An Acad Bras Cienc. 2023 Dec 8;95(suppl 3):e20231268. doi: 10.1590/0001-3765202320231268. eCollection 2023. An Acad Bras Cienc. 2023. PMID: 38088643 Free article.
110-million-years-old fossil suggests early parasitism in shrimps.
Lima D, Alencar DR, Santana W, Oliveira NC, Saraiva AÁF, Oliveira GR, Boyko CB, Pinheiro AP. Lima D, et al. Among authors: oliveira gr. Sci Rep. 2023 Sep 4;13(1):14549. doi: 10.1038/s41598-023-40554-2. Sci Rep. 2023. PMID: 37666850 Free PMC article.
137 results