Species Detail - Sphaerium - Species information displayed is based on the dataset "All Ireland Non-Marine Molluscan Database".
Terrestrial Map - 10kmDistribution of the number of records recorded within each 10km grid square (ITM).
Marine Map - 50kmDistribution of the number of records recorded within each 50km grid square (WGS84).
27 January (recorded in 1969)
24 November (recorded in 1970)
Conchological Society of Great Britain and Ireland, All Ireland Non-Marine Molluscan Database, National Biodiversity Data Centre, Ireland, Sphaerium, accessed 24 August 2019, <https://maps.biodiversityireland.ie/Dataset/1/Species/123573>