2 bivalves , north adriatic sea

[BubikolRamios]

1.Does not loook to me as arca noae, see flat extension infront of 'nose'.
http://agrozoo.net/jsp/Galery_one_image....ca0b3a246f
2. ? Found 2 specimens almost same size. The brown stripe, 3/4 from 'nose' seems to be characteristic.'
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[poseidon]

yes the first is a wreck of arca noae ( Linneo, 1758) while the second seems to be loripes lucinalis ( Lamarck, 1818)
rgrds