摘要
陕西子洲县中侏罗统延安组砂岩中,同一地点共厚约1.7 m的5个层面发现4种食肉类恐龙足迹,自上而下分别为:1)第5层面大型三趾型足迹,实雷龙足迹科王氏子洲足迹(新遗迹属、新遗迹种)Zizhoupus wangi ichnogen.et ichnosp.nov.;2)第4和第3层面中型三趾型足迹,实雷龙足迹科龙尾峁张北足迹(新遗迹种)Changpeipus longweimaoensis inchnosp.nov.;3)第2层面小型三趾或四趾型足迹,虚骨龙类小理河陕西足迹(新遗迹种)Shensipus xiaoliheensis inchnosp.nov.;4)第1层面小型三趾型足迹,虚骨龙类的铜川陕西足迹Shensipus tungchuanensis。
Four types of footprints of carnivorous dinosaurs have been found from the Yan’an Formation of early Middle Jurassic in Zizhou County,Shaanxi,China.From the top to bottom interval,the four types of footprints discovered at five layers in a 1.7 m thick stratum are as follows：1）the large tridactyl footprints in the fifth layer（e,top）belong to Zizhoupus wangi ichnogen.et ichnosp.nov.;2）the medium tridactyl footprints in the third and fourth layers（c–d）belong to Changpeipus longweimaoensis ichnosp.nov.;3）small tridactyl or tetradactyl footprints in the second layer（b）belong to Shensipus xiaoliheensis ichnosp.nov.and 4）small tridactyl footprints in the first layer（a,bottom）belong to Shensipus tungchuanensis.
出处
《古脊椎动物学报》
CSCD
北大核心
2017年第3期276-288,共13页
Vertebrata Palasiatica
基金
funded by the National Natural Science Foundation of China (No. 41330315)
the Geological Survey Project (No. 12120114009201)~~
关键词
陕西子洲
中侏罗统
延安组
恐龙足迹
Zizhou
Shaanxi
Middle Jurassic
Yan＇an Formation
dinosaur footprints
