north flat (Nordwatt), Helgoland Island, Germany
latitude: 54.200001 54°12'0"N
longitude: 7.895833 7°53'45"E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)]
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication]
Postaphanostoma glandulosum Dörjes, 1968 | Oct 1964 | Polygordius shell | ||
Simplicomorpha viridis (Dörjes, 1968) | Aug 1963; Aug 1964 | Polygordius shell | ||
Archocelis macrorhabditis Dörjes, 1968 | Aug 1963; Aug 1964 | Polygordius shell | ||
Mecynostomum haplovarium Dörjes, 1968 | Aug 1963 | Polygordius shell | museum specimen number: SMF 3371-83 / Polygordius |
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