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near Boulogne sur Mer, English Channel (Der Kanal, La Manche, British Channel, Manche)
latitude: 50.716702
longitude: 1.6
Precision of location: Gauged from chart or map
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Paravortex cardii | 1913 or earlier | |||
| Pseudostomum quadrioculatum | 1913 or earlier | |||
| Monocelis fusca | 1913 or earlier | |||
| Monocelis alba | 1913 or earlier |