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coast of Belgium
latitude: 51.279999
longitude: 3.2
Precision of location: Gauged from chart or map
Site Named Here: By name of sea, gulf, or country named in source publication
| Monocelis hyalina | 1859 or earlier | faune littorale de Belgique. | ||
| Mesostomum marmoratum | 1859 or earlier | faune littorale de Belgique. | ||
| Vortex vittatus | 1859 or earlier | faune littorale de Belgique. | ||
| Polycelis laevigatus | 1859 or earlier | faune littorale de Belgique. | ||
| Planaria littoralis | 1859 or earlier | faune littorale de Belgique. | ||
| Allostoma pallidum | 1860 or earlier | Littorale de Belgique. | ||
| Monocelis agilis | 1860 or earlier | Littorale de Belgique. | ||
| Pseudostomum faeroense | 1860 or earlier | Littorale de Belgique. |