1. Geological ages of dinosaur-track-bearing formations in China;Chen;Cretaceous Research,2006
2. Preliminary study of dinosaur tracks in Cangling, Chuxiong Prefecture;Chen;Yunnan Geology,1993
3. Bird footprints from the Gething Formation (Aptian, Lower Cretaceous) of northeastern British Columbia, Canada;Currie;Journal of Vertebrate Paleontology,1981
4. Note on a hadrosaur footprint from Heilongjiang River area of China;Dong;Vertebrata PalAsiatica,2003
5. Ellenberger , P. 1972 Contribution à la classification des pistes de vertébrés du Trias: les types du Stormberg d'Afrique du Sud (I) Palaeovertebrata, Mémoire Extraordinaire 1 111