Tertiary marsupial records are very scarce in Asia. A new peradectine marsupial, Junggaroperadectes burqinensis gen. et sp. nov., is reported from the Early Oligocene Keziletuogayi Formation in the Burqin region, Xinjiang, China. This new species is based on a single right upper M2. The tooth possesses a straight centrocrista, a characteristic of peradectines. Its main cusps lean buccally, with the paracone being smaller and lower than the metacone. The conules and stylar cusps are weakly developed. These characters distinguish J. burqinensis from Euro-American Tertiary peradectines, but they also imply a close phylogenetic relationship to Siamoperadectes and Sinoperadectes, two Asian Early Miocene peradectines.

译文

:在亚洲,第三纪有袋动物的记录非常稀少。一种新的过孔培有袋有袋动物,布尔津根草属。等据中国新疆布尔津地区早渐新世的克孜勒托嘎嘎伊组报道。这个新物种基于单个右上M2。牙齿具有直百生皮,这是peradectines的特征。它的主要尖端在颊侧倾斜,对圆锥形比下圆锥形更小和更低。视锥和硬毛尖较弱。这些特征使布尔津棉与欧洲第三级过孔培菌素区别开来,但它们也暗示着与亚洲两个中新世的过孔培菌素暹罗佩达佩克人和中华过孔佩达克有密切的亲缘关系。

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