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Stelendam (Stellendam), Goeree-Overflakkee, Province of Zuid-Holland, the Netherlands
latitude: 51.67688
longitude: 3.83312
Precision of location: Alexandria Digital Library (with NGA GNDB data)
Site Named Here: Exact location from reference
| Psittacorhynchus verweyi | May, 1963 | on tidal flat | sand | in front of salt marsh along the Grevelingen |
| Ptychopera westbladi | May 1963 | salt-marsh alson the Grevelingen. |