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Cameron R. A. D., Colville B., Falkner G., Holyoak G. A., Hornung E., Killeen I.J., Moorkens E. A., Pokryszko B. M., Proschwitz T. von, Tattersfield P., Valovirta I. 2003. Species accounts for snails of the genus Vertigo listed in Annex II of the Habitats Directive: V. angustior, V. genesii, V. geyeri and V. moulinsiana. Heldia 5: 151–172.