1. Isotope geochronology of the fossil-bearing beds in the Daohugou area, Ningcheng, Inner Mongolia;Wen;Geological Bulletin of China,2004
2. New fossil beetles of the family Elateridae from the Jehol Biota of China (Coleoptera: Polyphaga);Huali;Acta Geologica Sinica (English edition),2008
3. Order Hymenoptera. In insects from the Santana Formation, Lower Cretaceous, of Brazil;Darling;Bulletin of the American Museum of Natural History,1990
4. Earliest known crown group salamanders;Keqin;Nature,2003