山西榆社盆地一种新的大型上新世狐狸（食肉目，犬科）

IF 1.6 3区地球科学 Q2 GEOLOGY

Rivista Italiana Di Paleontologia E Stratigrafia Pub Date : 2021-03-02 DOI:10.13130/2039-4942/15206

S. Lucenti

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引用次数: 2

摘要

榆社盆地（中国山西）是中国上中新世-下更新世化石床最著名的地区之一，有着杰出的脊椎动物记录，经常参考亚洲其他地区。夏口镇的化石被认为是该盆地最古老的大椎化石记录之一（高庄晚期最早的马子关）。然而，对该样本的一些上新世早期标本的研究表明，该样本属于达氏E.davisi，具有Vulpes的几个典型特征。通过与亚洲其他狐狸化石物种的比较，对该材料进行了修订，揭示了峡口秃鹫在度量和形态上的独特性，从而描述了一个新物种，Vulpes rooki sp.nov。牙齿特征和比例表明，这种体型较大的狐狸可能具有高食肉性的饮食，而不像体型相似的E.davisi。根据文献中的其他结果，榆社盆地犬科动物的化石记录相当多样化，支持了对上新世早期这些物种之间生态位划分的解释。

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A NEW LARGE-SIZED PLIOCENE FOX (CARNIVORA, CANIDAE) FROM YUSHE BASIN (SHANXI, CHINA)

The Yushe Basin (Shanxi, China) represent one of the most renowned location of China for Upper Miocene-Lower Pleistocene fossiliferous beds, with an outstanding record of vertebrates, often reference to other Asian localities. Fossils from the town of Xiakou are considered among the oldest records (late Gaozhuang-earliest Mazegouan) of Eucyon davisi in the Basin. Nevertheless, the study of some Early Pliocene specimens of this sample attributed to E. davisi possess several features typical of Vulpes. The revision of this material in comparison with that of other fossil fox species from Asia revealed the peculiarity of the Vulpes from Xiakou, both metrically and morphologically, leading to the description of a new species, Vulpes rooki sp. nov. Dental features and proportions suggest that this large-sized fox had probably a hypercarnivorous diet, unlike the similar-sized E. davisi. Following other results in literature, the considerably diverse fossil record of canids in the Yushe Basin supports the interpretation of niche partitioning among these species during the Early Pliocene.

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来源期刊

Rivista Italiana Di Paleontologia E Stratigrafia 地学-地质学

CiteScore

3.60

自引率

4.30%

发文量

审稿时长

>12 weeks

期刊介绍： The Rivista Italiana di Paleontologia e Stratigrafia was founded in 1895. It publishes original papers dealing with all fields of paleontology and of stratigraphy, from Italy and the Mediterranean to the Tethys, as well across the globe from China to North America.