Species Detail - Thick Top Shell (Phorcus lineatus) - Species information displayed is based on the dataset "Explore Your Shore".

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
Phorcus lineatus
Thick Top Shell
NHMSYS0021056527 RecommendedWell-formed
N/A
phlin
(da Costa, 1778)
Mollusc
Species
225
67
35
07/04/2019
27/04/2025
2 January (recorded in 2025)
26 December (recorded in 2023)
National Biodiversity Data Centre, Explore Your Shore, National Biodiversity Data Centre, Ireland, Thick Top Shell (Phorcus lineatus), accessed 14 December 2025, https://maps.biodiversityireland.ie/Dataset/305/Species/289061

Records per month (across all datasets)

Records per year (across all datasets)