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重新研究了济源四足动物群的材料,表明其以锯齿龙类的复齿河南龙为主体,还包括至少三种迟滞鳄类和一种犬齿兽,可能还有一种凶脸兽。根据甲片特征推测,迟滞鳄类至少包括中国毕氏螈Bystrowiana sinica,扁平济源盖螈(新属新种)Jiyuanitectum fl atum gen.et sp.nov.以及大型脊廊盖螈(新种)Dromotectum largum sp.nov.。根据四足动物组合,济源动物群大致可以与俄罗斯Sokolki组合带的Ilinskoe亚带以及南非的小头兽组合带对比。
A re-study of the Jiyuan quadruped fauna shows that it is dominated by the Serrated Dinosaurian dinosaur, including at least three lag crocodiles and a canine beast, and possibly a fierce beast. According to the characteristics of the nodules, the delayed crocodiles at least include the Chinese Bystrowiana sinica, Jiyuanitectum fl atum gen.et sp.nov, and the large-sized Sinotrichia (new species) Dromotectum largum sp.nov .. According to the four-legged animal assemblage, the Jiyuan fauna can be roughly compared with the Ilinskoe sub-band of the Sokolki assemblage of Russia and the mini-beast combinatorial band of South Africa.