| Taxon | Density |
| Scalibregma inflatum Rathke, 1843 | 645.7 |
| Ophiura albida Forbes, 1839 | 512.9 |
| Chamelea gallina (Linnaeus, 1758) | 478.6 |
| Ampelisca brevicornis (A. Costa, 1853) | 125.9 |
| Lunatia poliana (Della Chiaje, 1826) | 67.6 |
| Nucula nitidosa Winckworth, 1930 | 61.7 |
| Spiophanes bombyx (Claparède, 1870) | 60.3 |
| Owenia fusiformis Delle Chiaje, 1844 | 43.7 |
| Goniada maculata Örsted, 1843 | 33.9 |
| Pholoe Johnston, 1839 | 25.1 |
| Phoronis Wright, 1856 | 24 |
| Echinocardium cordatum (Pennant, 1777) | 24 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 22.9 |
| Nemertea | 21.9 |
| Amphiura filiformis (O.F. Müller, 1776) | 20.9 |
| Abra alba (W. Wood, 1802) | 20.9 |
| Mysella bidentata (Montagu, 1803) | 18.2 |
| Eudorella truncatula (Bate, 1856) | 18.2 |
| Thracia phaseolina (Lamarck, 1818) | 18.2 |
| Anaitides groenlandica (Örsted, 1842) | 14.1 |
| Chaetopterus variopedatus (Renier, 1804) | 14.1 |
| Scoloplos armiger (Müller, 1776) | 14.1 |
| Aphrodita aculeata Linnaeus, 1758 | 12 |
| Myriochele Malmgren, 1867 | 12 |
| Eumida sanguinea (Örsted, 1843) | 10 |
| Anobothrus gracilis (Malmgren, 1866) | 10 |
| Sthenelais limicola (Ehlers, 1864) | 8.9 |
| Echiurus echiurus (Pallas, 1766) | 8.9 |
| Nephtys Cuvier, 1817 | 8.9 |
| Nephtys caeca (Fabricius, 1780) | 8.9 |
| Saxicavella jeffreysi Winckworth, 1930 | 8.9 |
| Thyasira Lamarck, 1818 | 7.1 |
| Lanice conchilega (Pallas, 1766) | 7.1 |
| Sabellidae Latreille, 1825 | 5 |
| Anthozoa | 5 |
| Aonides paucibranchiata Southern, 1914 | 5 |
| Capitellidae Grube, 1862 | 5 |
| Magelona F. Müller, 1858 | 5 |
| Ampelisca tenuicornis Liljeborg, 1856 | 5 |
| Spisula subtruncata (da Costa, 1778) | 5 |
| Phaxas pellucidus (Pennant, 1777) | 5 |
| Eunereis longissima (Johnston, 1840) | 5 |
| Callianassa subterranea (Montagu, 1808) | 5 |
| Corystes cassivelaunus (Pennant, 1777) | 5 |
| Gattyana cirrhosa (Pallas, 1766) | 5 |
| Mya truncata Linnaeus, 1758 | 5 |
| Corbula gibba (Olivi, 1792) | 5 |
| Orchomenella Sars, 1890 | 3 |
