Xu X;Zhou Z H;Wang X L Four-winged dinosaurs from China [J] 2003
[13]
Wellnhofer P,The illustrated encyclopedia of pterosaurs,London:Salamander Books Limited,1991.
[14]
Wang X L;Zhou Z H Pterosaur embryo from the Early Cretaceous [J] 2004
[15]
Takai F,A monograph on the Lycopterid fishes from the mesozoic of Eastern Asia,Journal of Fac Sci Tokyo,Sec,1943.
[16]
Gao K Q;Tang Z L;Wang X L,A long-necked diapsid reptile from the Upper Jurassic/Lower Cretaceous of Liaoning Province, northeastern China,Vertebrata Palasiatica,1999(01).
[17]
Andres B;Ji Q,Two new pterosaur species from Liaoning, China, and the relationships of the Pterodactyloidea,Journal of Vertebrate Paleontology,2003(03).
