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记述了在山西省垣曲县毫清河右岸火石坡发现的细齿兽一新种──毫清河细齿兽?(Miacis? boqinghensis sp nov.)。新种与细齿兽属所有已知种不同在于上臼齿具发育的前、后小尖,且小尖均具明显的前、后棱。
Described in Shanxi Province Yuanqu County Miluo River Flutter on the right bank found a new species of fine teeth - Millipedes serratus? (Miacis? Boqinghensis sp nov.). All the new species of the genus and the genus Serratus is known to differ in that the upper molars have anterior and posterior spicules, and the pointy spines have distinct anterior and posterior edges.