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A cuboid bone of a large Late Miocene elasmothere from Qingyang, Gansu, and its morphological significance

Abstracts

A cuboid specimen collected from the Late Miocene stratum at Qingyang, Gansu, China is described here. The size of the Qingyang specimen is comparatively huge, even larger than the average size of Elasmotherium caucasicum collected from Nihewan, Hebei, China. The morphology of the Qingyang specimen is identical to that of other specimens of Elasmotheriini; thus, the Qingyang specimen belongs to a huge elasmothere, most probably Sinotherium. By comparison with extant rhino species, the complex of the main body and the apophysis exhibit functional significance. The angle between the frontal plate of the cuboid and the main axis of the apophysis can suggest the ecological conditions occupied by an elasmothere. From analysis of the morphology of the cuboid, Sinotherium and the more derived elasmotheres probably lived in forested or wooded environments, differing from the previous hypothesis of their paleoenvironment.
Download Comment From cooperative journals:《古脊椎动物学报》 Hits:3694 Downloads:253
Journal:古脊椎动物学报
Recommended references: ZHANG Xiao-Xiao,SUN Dan-Hui.(2021).A cuboid bone of a large Late Miocene elasmothere from Qingyang, Gansu, and its morphological significance.古脊椎动物学报.[ChinaXiv:202108.00085] (Click&Copy)
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[V1] 2021-08-11 20:23:11 chinaXiv:202108.00085V1 Download
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