| HYDROBIIDAE | Index |
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Ecrobia Hydrobia Peringia |
| Ecrobia Stimpson, 1865 (depths in collection: 50cm to 3m deep) |
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Ecrobia ventrosa (Montagu, 1803) S. Norway to Mediterranean & Black Sea Italy 2-2mm |
Ecrobia ventrosa (Montagu, 1803) S. Norway to Mediterranean & Black Sea Malta 3,5mm |
| Hydrobia Hartmann, 1821 (depths in collection: 2m to 3m deep) |
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Hydrobia acuta (Draparnaud, 1805) S.Mediterranean to Canarias, to Cabo Verde Tunisia 3,5mm |
Hydrobia glyca (Servain, 1880) Cantabrian Sea to Mediterranean Malta 2,5-3mm |
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| Peringia Paladilhe, 1874 (depths in collection: intertidal) |
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Peringia ulvae (Pennant, 1777) Norway to Senegal, to Mediterranean N. Morocco 3,5-6mm |
Peringia ulvae (Pennant, 1777) Norway to Senegal, to Mediterranean W. France 3,5-5mm |
| HYDROBIIDAE | Index |