Barnea candida (Linnæus, 1758)
Norway & Baltic to Mauritania, Mediterranean, Black Sea.
Original taxon: Pholas candida.
In wood, Calambrone beach, Livorno, Toscana, Italy. 38mm.
Synonyms: costulata, cylindrica, papyracea, spinosa.
In muddy lagoon, Marina Romea, Ravenna, Emilia-Romagna, Italy. 42mm.
The species show small variations in shape and sculpture.
5m deep, in fuller's earth, Bozcaada island, Çanakkale, Marmara province, Turkey. 32mm.