A new Sordes-like pterosaur Jianchangopterus zhaoianus gen.et sp.nov.is erected based on a almost complete skeleton with skull preserved.It is characterized by the following characters:seven and six pairs of upper jaw...A new Sordes-like pterosaur Jianchangopterus zhaoianus gen.et sp.nov.is erected based on a almost complete skeleton with skull preserved.It is characterized by the following characters:seven and six pairs of upper jaw and lower jaw teeth respectively;the development of a recess on maxilla;the evenness of the dental margin in lateral view;a distinct central ridge along dorsal surface of the mandibular symphysis;wing phalanx 4 with strongly curved shaft approximately 96%the length of the wing phalanx 1.The discovery of a Sordes-like pterosaur Jianchangopterus,and other taxa from the same formation indicates that pterosaurs reached great diversities during the Middle to Upper Jurassic period.展开更多
The CT technique was first applied to observing the nasal cavity of Ikechosaurus sunailinae. The results indicate that the nasal cavity is very complex, and it was divided into two parts: the posterior-upper part and ...The CT technique was first applied to observing the nasal cavity of Ikechosaurus sunailinae. The results indicate that the nasal cavity is very complex, and it was divided into two parts: the posterior-upper part and the anterior-lower one. These control olfaction and ther-展开更多
基金supported by grants from the Basic Outlay of Scientific Research Work from the Ministry of Science and Technology(2011-SYS-02)the Natural Science Foundation of China(9091400340872017)
文摘A new Sordes-like pterosaur Jianchangopterus zhaoianus gen.et sp.nov.is erected based on a almost complete skeleton with skull preserved.It is characterized by the following characters:seven and six pairs of upper jaw and lower jaw teeth respectively;the development of a recess on maxilla;the evenness of the dental margin in lateral view;a distinct central ridge along dorsal surface of the mandibular symphysis;wing phalanx 4 with strongly curved shaft approximately 96%the length of the wing phalanx 1.The discovery of a Sordes-like pterosaur Jianchangopterus,and other taxa from the same formation indicates that pterosaurs reached great diversities during the Middle to Upper Jurassic period.
文摘The CT technique was first applied to observing the nasal cavity of Ikechosaurus sunailinae. The results indicate that the nasal cavity is very complex, and it was divided into two parts: the posterior-upper part and the anterior-lower one. These control olfaction and ther-
