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The skeleton of a straight‐tusked elephant, Palaeoloxodon antiquus (Falconer and Cautley, 1847) from Selsey, England, and growth and variation in Palaeoloxodon of the European Pleistocene
Journal of Quaternary Science ( IF 1.9 ) Pub Date : 2021-02-18 , DOI: 10.1002/jqs.3277
Elizabeth E. Erkek 1 , Adrian M. Lister 1
Affiliation  

A partial skeleton of straight‐tusked elephant (Palaeoloxodon antiquus) excavated at Selsey beach (Sussex, UK) in 1961 is one of very few from Marine Isotope Stage 7 (MIS 7), ca. 240–200 ka, in Europe. Dental morphometrics, including X‐ray micro‐computed tomography, confirms the species identification. Age determination through dental wear and skeletal morphology, sex determination through pelvic anatomy, and body‐size measurements, together identify the individual as a female of approximately 30 years old with a live shoulder height of ca. 3 m and a body mass of ca. 5 t. Dental mesowear indicates mixed feeding with a significant proportion of grass, indicating selective feeding in a predominately forested environment. Although taphonomic conclusions are limited by the nature of the excavation, identification of 107 recovered skeletal elements indicates predominant preservation of the right side of the animal, suggesting death or burial on the right side in a shallow, slow‐moving freshwater environment, with possible removal of other elements by scavenging or decay. Combining the Selsey data with 29 comparative skeletons from across Europe, we demonstrate the validity of pelvic proportions for determining sex and provide a graphical representation of variation and growth rate in males and females of this species.

中文翻译:

直脚形大象的骨骼,来自英格兰塞尔西的Palaeoloxodon antiquus(Falconer and Cautley,1847),以及欧洲更新世的Palaeoloxodon的生长和变异

直齿大象的部分骨骼(Palaeoloxodon antiquus1961年在英国萨塞克斯(Sussey)的塞尔西海滩(Selsey beach)出土的钻头是海洋同位素第7阶段(MIS 7)的极少数之一。240–200 ka,在欧洲。牙科形态计量学(包括X射线微计算机断层扫描)可以确认物种识别。通过牙齿磨损和骨骼形态来确定年龄,通过骨盆解剖来确定性别,以及进行身体大小测量,共同确定该个体为大约30岁的女性,活肩高为ca。3 m的体重。5吨 牙科中穿戴表明混合饲喂的草比例很高,这表明在森林茂密的环境中进行选择性饲喂。尽管开挖的结论受开挖性质的限制,但鉴定出107种回收的骨骼元素表明,该动物的右侧主要被保存,建议在浅水,缓慢移动的淡水环境中在右侧死亡或埋葬,并可能通过清除或腐烂去除其他元素。将Selsey数据与来自欧洲的29个比较骨骼相结合,我们证明了骨盆比例对于确定性别的有效性,并提供了该物种的雄性和雌性变异和生长速率的图形表示。
更新日期:2021-02-28
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