Species Detail - Thick Top Shell (Phorcus lineatus) - 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
Phorcus lineatus
Thick Top Shell
NHMSYS0021056527 RecommendedWell-formed
N/A
phlin
(da Costa, 1778)
Mollusc
Species
347
106
42
08/08/1982
16/12/2024
4 January (recorded in 2024)
26 December (recorded in 2023)
National Biodiversity Data Centre, Ireland, Thick Top Shell (Phorcus lineatus), accessed 13 June 2025, <https://maps.biodiversityireland.ie/Species/289061>

Records per month (across all datasets)

Records per year (across all datasets)