A new titanosaurian sauropod from the Late Cretaceous strata of Shandong Province

MO Jinyou; WANG Kebai; CHEN Shuqing; WANG Peiye; XU Xing

2017 Vol. 36, No. 9

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MO Jinyou, WANG Kebai, CHEN Shuqing, WANG Peiye, XU Xing. A new titanosaurian sauropod from the Late Cretaceous strata of Shandong Province[J]. Geological Bulletin of China, 2017, 36(9): 1501-1505.

Citation:

MO Jinyou, WANG Kebai, CHEN Shuqing, WANG Peiye, XU Xing. A new titanosaurian sauropod from the Late Cretaceous strata of Shandong Province[J]. Geological Bulletin of China, 2017, 36(9): 1501-1505.

A new titanosaurian sauropod from the Late Cretaceous strata of Shandong Province

1.
Natural History Museum of Guangxi, Nanning 530012, Guangxi, China
2.
Zhucheng Dinosaur Culture Research Center, Zhucheng 262200, Shandong, China
3.
Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Acad-emy of Sciences, Beijing 100044, China

Received Date: 06 February 2017

Revised Date: 01 August 2017

Publish Date: 25 September 2017

Abstract

Abstract

Specimen ZJZ-57, a nearly complete sauropod humerus excavated from the Upper Cretaceous Wangshi Group of Zhucheng area, Shandong Province, is described in this paper. Some derived features, such as a lateral bulge at the proximal onethird position of the lateral margin and a deltopectoral crest markedly expanded distally, indicate that ZJZ-57 represents a member of Titanosauria. However, it differs from all other titanosaurian sauropods in the following combined features:the proximal portion is strongly expanded, reaching 55% of the total length of the bone, and the humerus is a robust bone, with a robustness index (RI) of 0.39. Based on this specimen, the authors erect a new sauropod taxon:Zhuchengtitan zangjiazhuangensis gen. et sp. nov. This new taxon is possibly more closely related to Opisthocoelicaudia than to other known titanosaurian sauropods from Asia. This is the first ti-tanosaurian sauropod reported from the Upper Cretaceous strata of Shandong Province.
- Titanosauria /
- Wangshi Group /
- Late Cretaceous /
- Zhucheng /
- Shandong

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References

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