Citation: Ansorge J, Tanyderidae and Psychodidae (Insecta: Diptera) from the Lower Jurassic of Northeastern Germany, Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 68(1/2), 1994, pp. 199-210