Abstract

The first description of well-preserved fur of one male and one female cubs of the fossil cave lion Panthera spelaea (finds of 2017–2018, Semyuelyakh River, Yakutia, Russia) is presented in comparison with the fur of two cubs (a male and a female) of the extant African lion P. leo and adult lions of both species: the color, differentiation, configuration, microstructure, and internal design of hair of different categories are considered. The coat of the cave lion is similar but not identical to that of the African lion, because it contains a high thick undercoat of spiral-shaped thick and airy down hair. This difference is most pronounced in the cave lion cubs, in which, however, the fur is not differentiated to the same extent as in the adult. The microstructure of hair is species-specific and subject to intraspecific age-related variability. Adaptive features of the hair structure in the cave lion are noted.

中文翻译：

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2017年和2018年在雅库特发现的两个化石洞穴狮子豹（1810）的毛皮的首次描述。

摘要

与两只幼崽（一只雄性和另一只幼崽）的皮毛相比，首次描述了化石洞穴狮子Panthera spelaea（2017-2018年的发现，Semyuelyakh河，俄罗斯雅库特）的一只雄性和一只雌性幼崽保存完好的毛皮。现存的非洲狮子的女性）P. LEO和这两种物种的成年狮子：考虑了不同类别的头发的颜色，分化，构造，微观结构和内部设计。穴居狮子的皮毛与非洲狮类似但不完全相同，因为它包含一层高浓密的螺旋状浓密且蓬松的绒毛底毛。这种差异在山狮幼崽中最为明显，但是在其中，毛皮的分化程度与成年狮子不同。头发的微观结构是物种特异性的，并且会受到种内年龄相关的变异性的影响。指出了山狮的头发结构的适应性特征。