A NEW NANOID TITANOSAUR (DINOSAURIA: SAUROPODA) FROM THE UPPER CRETACEOUS OF BRAZIL

被引：16

作者：

Navarro, Bruno A. ^{[1
,2
,3
]}

Ghilard, Aline M. ^{[3
,4
]}

Aureliano, Tito ^{[3
,4
,5
]}

Diaz, Veronica Diez ^{[6
,7
]}

Bandeira, Kamila L. N. ^{[8
]}

Cattaruzzi, Andre G. S. ^{[2
]}

Iori, Fabiano, V ^{[9
,10
]}

Martine, Ariel M. ^{[11
]}

Carvalho, Alberto B. ^{[2
]}

Anelli, Luiz E. ^{[12
]}

Fernandes, Marcelo A. ^{[3
]}

Zaher, Hussam ^{[2
]}

机构：

[1] Univ Sao Paulo, Inst Biociencias, Dept Zool, Programa Posgrad Zool, Rua Matao Travessa 14 321, BR-05508090 Sao Paulo, SP, Brazil

[2] Univ Sao Paulo, Lab Paleontol & Herpetol, Museu Zool, Ave Nazare 481, BR-04263000 Sao Paulo, SP, Brazil

[3] Univ Fed Sao Carlos, Dept Ecol & Biol Evolut, Lab Paleoecol & Paleoicnol, Rodovia Washington Luis SP-310 Km 235, BR-13565905 Sao Carlos, SP, Brazil

[4] Univ Fed Rio Grande do Norte, Dept Geol, Rua Engenhaarias S-N, BR-59078970 Natal, RN, Brazil

[5] Univ Estadual Campinas, Inst Geosci, Rua Carlos Gomes 250, BR-13083855 Campinas, SP, Brazil

[6] Leibniz Inst Evolut & Biodiversitatsforsch, Museum Nat Kunde, Invalidenstr 43, D-10115 Berlin, Germany

[7] Humboldt Univ, Inst Biol, Invalidenstr 42, D-10117 Berlin, Germany

[8] Museu Nacl, Dept Geol Paleontol, Lab Sistemat & Tafon Repteis Fosseis, Univ Fed Rio de Janeiro S-N, BR-20940040 Rio De Janeiro, RJ, Brazil

[9] Ctr Artes, Museu Paleontol Prof Antonio Celso de Arruda Camp, Praca Centenario, BR-15910000 Monte Alto, SP, Brazil

[10] Museu Paleontol Pedro Candolo, Estacao Cultura, Praca Farmaceut Bruno Garisto, BR-15890000 Uchoa, SP, Brazil

[11] Univ Estadual Norte Parana, Ctr Ciencias Humanas & Educ, Rua Padre de Melo 1200, BR-86400000 Jacarezinho, PR, Brazil

[12] Univ Sao Paulo, Dept Geol Sedimentar & Ambiental, Inst Geociencias, Rua Lago 562, BR-05508080 Sao Paulo, SP, Brazil

来源：

AMEGHINIANA | 2022年 / 59卷 / 05期

基金：

巴西圣保罗研究基金会;

关键词：

Bauru Basin; Growth Patterns; Histology; Nanism; Saltasauridae; Sao Jose do Rio Preto Formation; ALAMOSAURUS-SANJUANENSIS SAUROPODA; BAURU GROUP; SP-NOV; AXIAL SKELETON; BONE-HISTOLOGY; NEUQUEN BASIN; MINAS-GERAIS; SALTASAURINE TITANOSAUR; UBERABATITAN-RIBEIROI; VERTEBRAL LAMINAE;

D O I：

10.5710/AMGH.25.08.2022.3477

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

Titanosaurian sauropods are known to exhibit remarkable body size disparity, with some taxa famed for nearing the zenith of terrestrial vertebrate body size. Here, we describe a new titanosaurian - Ibirania parva gen. et sp. nov. - from the Upper Cretaceous (Santonian-Campanian) Sao Jose do Rio Preto Formation of Bauru Basin, in which represents one of the smallest sauropods known to date. The new taxon is diagnosed by seven autapomorphies and had an estimated body length of 5.7 m. Histological and mu CT scan analyses showed that this new taxon is represented by skeletally mature individuals, which had attained somatic maturity prior to death. Phylogenetic analyses recovered the new taxon deeply nested within Saltasaurinae, a clade previously known by small-sized forms. Ibirania parva gen. et sp. nov. brings new information indicating that the body size reduction in some titanosaurians could be driven by recurrent ecophysiographical settings, present in South America prior to the diversity peak attained by the group during the Campanian-Maastrichtian.

引用

页码：317 / 354

页数：38

共 50 条

[1] A new basal titanosaur (Dinosauria, Sauropoda) from the Lower Cretaceous of Brazil
Carvalho, Ismar de Souza
Salgado, Leonardo
Lindoso, Rafael Matos
de Araujo-Junior, Herminio Ismael
Costa Nogueira, Francisco Cezar
Soares, Jose Agnelo
[J]. JOURNAL OF SOUTH AMERICAN EARTH SCIENCES, 2017, 75 : 74 - 84
[2] Phylogenetic relationships of a new titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Uruguay
Soto, Matias
Carballido, Jos L.
Langer, Max C.
Silva Junior, Julian C. G.
Montenegro, Felipe
Perea, Daniel
[J]. CRETACEOUS RESEARCH, 2024, 160
[3] A new titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Mendoza Province, Argentina
Riga, BJG
[J]. AMEGHINIANA, 2003, 40 (02) : 155 - 172
[4] A new giant titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Northwestern Patagonia, Argentina
Agnolin, Federico L.
Riga, Bernardo J. Gonzalez
Rolando, Alexis M. Aranciaga
Rozadilla, Sebastian
Motta, Matias J.
Chimento, Nicolas R.
Novas, Fernando E.
[J]. CRETACEOUS RESEARCH, 2023, 146
[5] The skull of the titanosaur Tapuiasaurus macedoi (Dinosauria: Sauropoda), a basal titanosaur from the Lower Cretaceous of Brazil
Wilson, Jeffrey A.
Pol, Diego
Carvalho, Alberto B.
Zaher, Hussam
[J]. ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY, 2016, 178 (03) : 611 - 662
[6] A new titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Lo Hueco (Cuenca, Spain)
Diaz, V. Diez
Mocho, P.
Paramo, A.
Escaso, F.
Marcos-Fernandez, E.
Sanz, J. L.
Ortega, F.
[J]. CRETACEOUS RESEARCH, 2016, 68 : 49 - 60
[7] A New Basal Titanosaur (Dinosauria: Sauropoda) from the Early Cretaceous of China
YOU Hailu
Institute of Vertebrate Paleontology and Paleoanthropology
[J]. Acta Geologica Sinica(English Edition), 2003, (04) : 424 - 429
[8] A new basal Titanosaur (Dinosauria: Sauropoda) from the Early Cretaceous of China
You, HL
Tang, F
Luo, ZX
[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION, 2003, 77 (04) : 424 - 429
[9] BONE HISTOLOGY OF THE TITANOSAUR BONITASAURA SALGADOI (DINOSAURIA: SAUROPODA) FROM THE UPPER CRETACEOUS OF PATAGONIA
Ariel Gallina, Pablo
[J]. AMEGHINIANA, 2012, 49 (03) : 289 - 302
[10] New titanosaur (Sauropoda, Dinosauria) records from the Morro do Cambambe Unit (Upper Cretaceous), Mato Grosso state, Brazil
Bandeira, Kamila L. N.
Machado, Elaine Batista
Campos, Diogenes
Kellner, Alexander W. A.
[J]. CRETACEOUS RESEARCH, 2019, 103

← 1 2 3 4 5 →