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首次描述并图示了位于华北地台和华南地台之间的秦岭山脉中的早石炭世杜内阶上部的牙形刺。这一牙形刺动物群与欧洲杜内阶的牙形刺动物群非常相似。文中描述了两个新种:Pseudopolygnathusnodosussp.nov.和Pseudopolygnathusparamultistriatussp.nov.
For the first time, the conodont of the upper part of the Upper Carboniferous of the Upper Carboniferous in the Qinling Mountains between North China and South China was described and illustrated. This group of conodont fauna is very similar to the dinosaur group Euphrates in Europe. Two new species are described in the article: Pseudopolygnathus nodosussp. Nov. And Pseudopolygnathus paramultistriatussp. Nov.