Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Juliana M. Sayão"'
Autor:
Xiaolin Wang, Alexander W. A. Kellner, Shunxing Jiang, He Chen, Fabiana R. Costa, Xin Cheng, Xinjun Zhang, Bruno C. Vila Nova, Diogenes de Almeida Campos, Juliana M. Sayão, Taissa Rodrigues, Renan A. M. Bantim, Antônio A. F. Saraiva, Zhonghe Zhou
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract The Chaoyangopteridae is a clade of azhdarchoid pterosaurs that stands out in China, particularly in the Jehol Biota, as a Cretaceous group of medium-sized and high-crested pterosaurs. Herein, we describe a new species, Meilifeilong youhao g
Externí odkaz:
https://doaj.org/article/3ab363a14d0a47acabd0db567e47cf63
Autor:
GEOVANE A. DE SOUZA, BRUNO A. BULAK, MARINA B. SOARES, JULIANA M. SAYÃO, LUIZ CARLOS WEINSCHÜTZ, ALESSANDRO BATEZELLI, ALEXANDER W.A. KELLNER
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 95, Iss suppl 3 (2023)
Abstract A worldwide revision of the Cretaceous record of Neornithes (crown birds) revealed that unambiguous neornithine taxa are extremely scarce, with only a few showing diagnostic features to be confidently assigned to that group. Here we report t
Externí odkaz:
https://doaj.org/article/efcff08b6fa04155bf9779866f59facd
Autor:
EDILSON B. DOS SANTOS FILHO, ARTHUR S. BRUM, GEOVANE A. DE SOUZA, RODRIGO G. FIGUEIREDO, CRISTIAN D. USMA, JOÃO HENRIQUE Z. RICETTI, CRISTINE TREVISAN, MARCELO LEPPE, JULIANA M. SAYÃO, FLAVIANA J. LIMA, GUSTAVO R. OLIVEIRA, ALEXANDER W.A. KELLNER
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 95, Iss suppl 3 (2023)
Abstract Despite the enormous paleobotanical record on different islands of the Antarctic Peninsula, the evidence of insect activity associated with fossilized plants is scarce. Here we report the first evidence of insect-plant interaction from Creta
Externí odkaz:
https://doaj.org/article/eea513878d384a72b8e29b5972a3da33
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 95, Iss suppl 3 (2023)
Externí odkaz:
https://doaj.org/article/8cc6428155374133ac9b57869fd47d78
Autor:
Gabriela M. Cerqueira, Mateus A.C. Santos, Maikon F. Marks, Juliana M. Sayão, Felipe L. Pinheiro
Publikováno v:
Acta Palaeontologica Polonica, Vol 66, Iss 3, Pp 555-570 (2021)
The Tapejaridae were an apparently worldwide distributed clade of edentulous pterosaurs, being a major component of several Lower Cretaceous terrestrial faunas. Despite their distribution across Gondwana and Laurasia, the oldest tapejarid remains wer
Externí odkaz:
https://doaj.org/article/94bedab05dde4a01b8622272a3f54fdb
Autor:
ALESSANDRA SANTOS, ENELISE KATIA PIOVESAN, JULIANA GUZMÁN, CRISTIAN D. USMA, LUIZ CARLOS WEINSCHÜTZ, RADARANY JASMINE M. DOS SANTOS, GUSTAVO R. OLIVEIRA, RODRIGO G. FIGUEIREDO, JOÃO HENRIQUE Z. RICETTI, EVERTON WILNER, JULIANA M. SAYÃO, ALEXANDER W.A. KELLNER
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 94, Iss suppl 1 (2022)
Abstract A study of macro and microfacies, palynoflora and palynofacies of the non-marine Cerro Negro Formation at President Head Peninsula, Snow Island, northwest of the Antarctic Peninsula, was developed. Two assemblages were recognized: Palynofaci
Externí odkaz:
https://doaj.org/article/31f3932ebae24a2d833c59e7cd583f23
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 93, Iss suppl 2 (2021)
Externí odkaz:
https://doaj.org/article/9503fe86df5f42a0ad99daf749912e74
Autor:
MARIANA VALÉRIA A. SENA, RENAN ALFREDO M. BANTIM, ANTÔNIO A.F. SARAIVA, JULIANA M. SAYÃO, GUSTAVO R. OLIVEIRA
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 93, Iss suppl 2 (2021)
Abstract In this study we provide a comprehensive investigation of the microanatomical and microstructural aspects of the carapace and limb bones of the Early Cretaceous side-necked turtle, Araripemys barretoi, from the Araripe Basin, Brazil. Inter-e
Externí odkaz:
https://doaj.org/article/90d2ce7db3ff4749b3ad7067395360a4
Autor:
Geovane Alves de Souza, Marina Bento Soares, Arthur Souza Brum, Maria Zucolotto, Juliana M. Sayão, Luiz Carlos Weinschütz, Alexander W.A. Kellner
Publikováno v:
PeerJ, Vol 8, p e9771 (2020)
Although the knowledge of bone histology of non-avian theropods has advanced considerably in recent decades, data about the bone tissue patterns, growth dynamics and ontogeny of some taxa such as abelisauroids are still limited. Here we describe the
Externí odkaz:
https://doaj.org/article/32f8e312d62e47c18b7e797410beca37
Autor:
ALEXANDER W.A. KELLNER, TAISSA RODRIGUES, FABIANA R. COSTA, LUIZ C. WEINSCHÜTZ, RODRIGO G. FIGUEIREDO, GEOVANE A. DE SOUZA, ARTHUR S. BRUM, LÚCIA H.S. ELEUTÉRIO, CARSTEN W. MUELLER, JULIANA M. SAYÃO
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 91, Iss suppl 2 (2019)
Abstract Fossil vertebrates from Antarctica are considerably rare, hampering our understanding of the evolutionary history of the biota from that continent. For several austral summers, the PALEOANTAR project has been carrying out fieldwork in the An
Externí odkaz:
https://doaj.org/article/99b37982a56341f4a42dd5aa6d71652c