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''Canis lupus variabilis'' (the Zhoukoudian wolf) is an extinct small wolf that once inhabited parts of what is now present-day China and Yakutia. The small wolf was later recognised as a variant of ''Canis variabilis'' (Pei 1934) that was also discovered and named by Pei in the same year.〔 ==Discovery== The wolf's fossils were found at the Zhoukoudian (once spelt Choukoutien) cave system and archaeological site in 1934 and named by its discoverer, Pei Wenzhong. :"Although no sharp line can be traced between the above described ''Canis'' and a true ''C. lupus'', the marked differences found in size, and in cranial characters, seem to be sufficient for creating, at least, a new variety, ''Canis lupus variabilis'', for the Zhoukoudian Locality 1 small wolf.〔 Pei stated that the Nihewan wolves〔 attributed to ''Canis chihliens'' should also be included in this new category.〔 ''Canis lupus variabilis'' was also known from Lantian County in Shaanxi Province,〔 so it had a wide range in time and space. At the site, the small wolf's remains were in close proximity to ''Homo erectus pekinensis'' or Peking man, in layers dating back to 500,000-200,000 years BP. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Canis lupus variabilis」の詳細全文を読む スポンサード リンク
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