A new giant titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Northwestern Patagonia, Argentina

被引：5

作者：

Agnolin, Federico L. ^{[1
,2
]}

Riga, Bernardo J. Gonzalez ^{[3
]}

Rolando, Alexis M. Aranciaga ^{[1
]}

Rozadilla, Sebastian ^{[1
]}

Motta, Matias J. ^{[1
]}

Chimento, Nicolas R. ^{[1
]}

Novas, Fernando E. ^{[1
]}

机构：

[1] Consejo Nacl Invest Cient & Tecn, Lab Anat Comparada & Evoluc Vertebrados, Museo Argentino Ciencias Nat Bernardino Rivadavia, Ave Angel Gallardo 470,C1405DJR, Buenos Aires, Argentina

[2] Univ Maimonides, Fdn Hist Nat Felix Azara, Hidalgo 775,C1405BDB, Buenos Aires, Argentina

[3] Univ Nacl Cuyo, Fac Ciencias Exactas & Nat, Lab & Museo Dinosaurios, ICB, Ave Padre Contreras 1300, RA-5500 Mendoza, Argentina

来源：

CRETACEOUS RESEARCH | 2023年 / 146卷

关键词：

Chucarosaurus; Sauropods; Colossosauria; Neuquen Basin; Cenomanian-Turonian; Patagonia; Argentina; NEUQUEN BASIN ARGENTINA; BAJO BARREAL FORMATION; EARLY EVOLUTION; SANTA-CRUZ; SP NOV; PROVINCE; GEN; RECONSTRUCTION; PHYLOGENY; OSTEOLOGY;

D O I：

10.1016/j.cretres.2023.105487

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Chucarosaurus diripienda gen. et sp. nov. is a new and large titanosaurian sauropod from the Neuquen Basin, Rio Negro Province, Patagonia. The specimen was discovered in the Upper Cretaceous strata of the Huincul Formation (middle Cenomanian-lower Turonian). It includes appendicular and relatively slender elements, with a femoral total length of about 1.9 m long. This taxon shows a unique combination of characters indicating that appendicular bones such as the femur, ischium and tibia, show a remarkable morphological variety, greater than previously described, and are morphologically informative as source of phylogenetic data. A cladistic phylogenetic analysis placed Chucarosaurus well nested within the Colossosauria clade. (c) 2023 Elsevier Ltd. All rights reserved.

引用

页数：17

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