Species Detail - Swollen Spire Snail (Mercuria cf. similis) - Species information displayed is based on all datasets.

Terrestrial Map - 10km

Distribution of the number of records recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).
Live Map
Mercuria cf. similis
Swollen Spire Snail
NHMSYS0001702097 UnverifiedUnverified
Threatened Species: Endangered
mesim
(Draparnaud, 1805)
mollusc
Species
31
11
6
01/01/1900
02/10/2008
20 April (recorded in 1982)
2 October (recorded in 2008)
National Biodiversity Data Centre, Ireland, Swollen Spire Snail (Mercuria cf. similis), accessed 26 April 2025, <https://maps.biodiversityireland.ie/Species/123489>

Records per month (across all datasets)

Records per year (across all datasets)