NEW MATERIAL OF JUVENILE SAUROPOD FROM THE UPPER CRETACEOUS OF XICHUAN BASIN, HUBEI PROVINCE
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Abstract:
New sauropod material was collected from the Upper Cretaceous Majiacun Formation of Xichuan Basin, Yunxian County, Hubei Province, central China, including two nearly complete teeth, a number of vertebrae, and some limb bones, which are derived from at least two individuals. The separate preservations of all centra and neural arches suggest that the specimens are juvenile individuals. Several features, such as proximal one-third of femoral shaft deflected medially, cervical and dorsal vertebrates composed of spongy bone, and very slender peglike teeth, suggest that these specimens are referable to the Somphospondyli or more exclusive clade within the Titanosauriformes. The new find provides further evidence for the dominance of the Titanosauriformes in eastern Asia during the Late Cretaceous.
