一例和平永川龙（恐龙：兽脚类）肩胛骨骨折

邢立达1; 董   辉2; 彭光照3; 舒纯康3; 胡晓冬3; 江   华4

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一例和平永川龙（恐龙：兽脚类）肩胛骨骨折
邢立达1, 董辉2, 彭光照3, 舒纯康3, 胡晓冬3, 江华4^1,2,3,4
1. 中国地质科学院地质研究所，北京100037;2. 泸州医学院法医病理学教研室，四川泸州646000;3. 自贡恐龙博物馆，四川自贡 643013;4. 四川省医学科学院/四川省人民医院创伤外科，四川成都 610073

摘要:

记述了自贡地区的和平永川龙（和平中华盗龙）（Yangchuanosaurus(Sinraptor)hepingensis）ZDM 0024存在一断裂后愈合的肩胛骨，这是中国兽脚类病理学的首次详细记录。该肩胛骨有骨皮质不连续、成角畸形、骨痂形成，符合骨折后愈合的表现，而且从其病理特征看，病理性骨折的可能性很小，直接暴力所致骨折的可能性极大。还分析了同时期动物群中可能存在暴力施加者，拥有尾锤的合川马门溪龙（Mamenchisaurus hochuanensis）可能性最大，这为和平永川龙的骨折提供了一种有趣的解释。

关键词: 古病理学肩胛骨骨折永川龙马门溪龙上侏罗统上沙溪庙组

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A scapular facture in Yangchuanosaurus hepingensis(Dinosauria: Theropoda)

XING Li-da1, DONG Hui2, PENG Guang-zhao3,SHU Chun-kang3, HU Xiao-dong3, JIANG Hua4^1,2,3,4

1. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China;2. Department of Pathology, Luzhou Medical College, Luzhou 646000, Sichuan, China;3. Zigong Dinosaur Museum, Zigong 643013, Sichuan, China;4. Department of Traumatic Surgery, Sichuan Provincial People's Hospital/Sichuan Medical Science Academy,Chengdu 610073, Sichuan, China

Abstract:

A scapula with healed wound of Yangchuanosaurus (Sinraptor) hepingensis ZDM 0024 from Zigong Dinosaur Museum of China is described. This is the first detailed description on pathology of theropoda in China. The discontinuous cortical bones, angular deformity and bony callus suggest an external force-caused wound healing in this bone, rather than a pathological fracture. Mamenchisaurus hochuanensis with tail club among the contemporary fauna is probably the candidate for the assault. This presents an attractive explanation to the bone fracture of Yangchuanosaurus hepingensis.

Key words: paleopathology scapular fracture Yangchuanosaurus Mamenchisaurus Upper Jurassic Shangshaximiao Formation