Species Detail - Thick Top Shell (Phorcus lineatus) - Species information displayed is based on the dataset "Porcupine Marine Natural History Society Records".

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
44
19
9
08/08/1982
14/09/2018
2 January (recorded in 2025)
26 December (recorded in 2023)
Porcupine Marine Natural History Society, Porcupine Marine Natural History Society Records, National Biodiversity Data Centre, Ireland, Thick Top Shell (Phorcus lineatus), accessed 28 July 2025, <https://maps.biodiversityireland.ie/Dataset/313/Species/289061>

Records per month (across all datasets)

Records per year (across all datasets)