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North Sea site
Martens 1983 {1062} - p. 155, 156 site coordinates
latitude: 52.608334 52 36 30 N
longitude: 4.55 004 33 00 E
Precision of location: Listed in reference
Site Named Here: Exact location from reference
| Duplominona septentrionalis | Jun 30, 1972 | 17 m | sand | |
| Duploperaclistus circocirrus | Sep 26, 1972 | 15 m | fine sand | North Sea, sublittoral. |
| Duploperaclistus circocirrus | Jun 30, 1982 | 17 m | sand | North Sea, sublittoral. |