Species Detail - Rough Periwinkle (Littorina saxatilis/arcana) - Species information displayed is based on the dataset "Marine sites, habitats and species data collected during the BioMar survey of Ireland.".

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
Littorina saxatilis/arcana
Rough Periwinkle
NHMSYS0021241171 RecommendedWell-formed
N/A
N/A
N/A
Mollusc
Species aggregate
264
63
38
20/07/1993
29/10/1996
1 January (recorded in 1985)
16 December (recorded in 2024)
Trinity College, Marine sites, habitats and species data collected during the BioMar survey of Ireland., National Biodiversity Data Centre, Ireland, Rough Periwinkle (Littorina saxatilis/arcana), accessed 13 June 2025, <https://maps.biodiversityireland.ie/Dataset/258/Species/304870>

Records per month (across all datasets)

Records per year (across all datasets)