1. Insekten aus dem Oberen Lias von Grimmen (Vorpommern, Norddeutschland);Ansorge;Neue Palaeontol. Abh,1996
2. Isotope geochronology of the fossil-bearing beds in the Daohugou area, Ningcheng, Inner Mongolia;Chen;Geol. Bull. China,2004
3. Geographical history of insects;Eskov,2002
4. Early Cretaceous life, climate and anoxia