| Taxon | Density |
| Capitellidae Grube, 1862 | 302 |
| Spiophanes kroyeri Grube, 1860 | 269.2 |
| Lumbrineris fragilis (O.F. Müller, 1776) | 182 |
| Thyasira Lamarck, 1818 | 141.3 |
| Minuspio cirrifera (Wirén, 1883) | 120.2 |
| Paradoneis lyra (Southern, 1914) | 109.6 |
| Sabellidae Latreille, 1825 | 100 |
| Eclysippe vanelli (Fauvel, 1936) | 79.4 |
| Eriopisa elongata (Bruzelius, 1859) | 70.8 |
| Streblosoma intestinalis [auct. misspelling] | 70.8 |
| Nemertea | 60.3 |
| Abra nitida (O. F. Müller, 1776) | 50.1 |
| Levinsenia gracilis (Tauber, 1879) | 39.8 |
| Notomastus latericeus Sars, 1851 | 39.8 |
| Pholoe Johnston, 1839 | 30.2 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 30.2 |
| Aricidea catherinae Laubier, 1967 | 30.2 |
| Exogone (Exogone) verugera (Claparède, 1868) | 30.2 |
| Limatula gwyni (Sykes, 1903) | 30.2 |
| Parvicardium minimum (R. A. Philippi, 1836) | 30.2 |
| Eudorellopsis deformis (Krøyer, 1846) | 30.2 |
| Ophiuroidea | 30.2 |
| Leucon (Leucon) nasica (Krøyer, 1841) | 20 |
| Serpulidae Rafinesque, 1815 | 20 |
| Glycera Lamarck, 1818 | 20 |
| Pseudopolydora Czerniavsky, 1881 | 20 |
| Ampharetidae Malmgren, 1866 | 20 |
| Amphicteis gunneri (M. Sars, 1835) | 10 |
| Myriochele Malmgren, 1867 | 10 |
| Lagis koreni Malmgren, 1866 | 10 |
| Euclymene Verrill, 1900 | 10 |
| Caulleriella Chamberlin, 1919 | 10 |
| Laonice sarsi Söderström, 1920 | 10 |
| Glycera lapidum Quatrefages, 1866 | 10 |
| Goniada norvegica Örsted, 1845 | 10 |
| Harpinia antennaria Meinert, 1890 | 10 |
| Ampelisca gibba G.O. Sars, 1883 | 10 |
| Thyasira ferruginea (Locard, 1886) | 10 |
| Montacuta substriata (Montagu, 1808) | 10 |
| Eudorella truncatula (Bate, 1856) | 10 |
| Nuculana minuta (O. F. Müller, 1776) | 10 |
| Amphiura filiformis (O.F. Müller, 1776) | 10 |
| Brissopsis lyrifera (Forbes, 1841) | 10 |
| Trichotropis borealis Broderip & G. B. Sowerby I, 1829 | 10 |
| Cylichna cylindracea (Pennant, 1777) | 10 |
| Philine scabra (O. F. Müller, 1784) | 10 |
