The non-marine molluscan Red Data List has been published on the National Parks and Wildlife Service web site and can be viewed here: » Non-marine Molluscs Red Data List

Reference: Byrne, A., Moorkens, E.A., Anderson, R., Killeen, I.J. & Regan, E.C. (2009) Ireland Red List No. 2: Non-marine Molluscs, National Parks and Wildlife Service, Department of the Environment, Heritage and Local Government, Dublin, Ireland.