Nel & Jarzembowski 1996. Description and revison [revision] of some dragonflies ('Anisozygoptera') from the Lower Cretaceous of England (Odonata: Stenophlebiidae, Campterophlebiidae?, Epiophlebiidae, Euthemistidae). Cretaceous Research, 17(1)(Special Issue), February 1996: 87-96