Article Nº 0795 Mollusc Vol. I · p. 475
Caramujo de Dona (Littorina striata)
An inedible periwinkle living at and above the high-tide line on all the islands; the name is peculiar to Porto Santo.
A gastropod mollusc of the family Trochidae, very common at the level of the highest high tides and even above that line. It is the sea mollusc living farthest from the water’s edge here. It is not edible and is found on all the islands of the archipelago, including the Savage Islands (Selvagens).
The expression caramujo de dona is peculiar to the island of Porto Santo.
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