1. Morphologische Untersuchungen am Fl�gelge�der der rezenten Libellen und deren Stammgruppenvertreter (Insecta; Pterygota; Odonata), unter besonderer Ber�cksichtigung der Phylogenetischen Systematik und des Grundplanes der Odonata;G Bechly;Petalura Special,1996
2. A history of the fossil insects in the Secondary rocks of England, accompanied by a particular account of the strata in which they occur, and of the circumstances connected with their preservation;P B Brodie;London, xviii + 130 pp. Carpenter, F.M., 1969. Fossil insects from Antarctica,1845
3. New Eocene damselflies and first Cenozoic damsel-dragonfly of the isophlebiopteran lineage (Insecta: Odonata);R Garrouste;Zootaxa,2015