| Taxon | Density |
| Thracia phaseolina (Lamarck, 1818) | 109.6 |
| Exogone (Exogone) verugera (Claparède, 1868) | 100 |
| Amphiura filiformis (O.F. Müller, 1776) | 89.1 |
| Ophiuroidea | 79.4 |
| Nuculoma tenuis (Montagu, 1808) | 45.4 |
| Anthozoa | 33.1 |
| Glycera lapidum Quatrefages, 1866 | 30.2 |
| Glycera rouxii Audouin & Milne Edwards, 1833 | 30.2 |
| Abra nitida (O. F. Müller, 1776) | 30.2 |
| Pholoe Johnston, 1839 | 26.1 |
| Ophelia borealis Quatrefages, 1866 | 23.3 |
| Spiophanes bombyx (Claparède, 1870) | 22.4 |
| Aricidea catherinae Laubier, 1967 | 20 |
| Paradoneis lyra (Southern, 1914) | 20 |
| Streptosyllis websteri Southern, 1914 | 20 |
| Tellimya ferruginosa (Montagu, 1808) | 20 |
| Echinocyamus pusillus (O.F. Müller, 1776) | 13.2 |
| Myriochele Malmgren, 1867 | 11 |
| Aonides paucibranchiata Southern, 1914 | 10 |
| Nephtys cirrosa Ehlers, 1868 | 10 |
| Diplocirrus glaucus (Malmgren, 1867) | 10 |
| Sipuncula | 10 |
| Ampharete acutifrons (Grube, 1860) | 10 |
| Abra prismatica (Montagu, 1808) | 10 |
| Chaetozone setosa Malmgren, 1867 | 8.4 |
| Spiophanes kroyeri Grube, 1860 | 6.8 |
| Scoloplos armiger (Müller, 1776) | 6.8 |
| Harpinia antennaria Meinert, 1890 | 6.8 |
| Nemertea | 6.8 |
| Lunatia poliana (Della Chiaje, 1826) | 5.9 |
| Cochlodesma (Bontaea) praetenue (Pulteney, 1799) | 5 |
| Aricidea suecica Eliason, 1920 | 5 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 5 |
| Cirratulus cirratus (O. F. Müller, 1776) | 5 |
| Scalibregma inflatum Rathke, 1843 | 5 |
| Goniada maculata Örsted, 1843 | 5 |
| Levinsenia gracilis (Tauber, 1879) | 3.3 |
| Synchelidium maculatum Stebbing, 1906 | 3.3 |
| Echinocardium cordatum (Pennant, 1777) | 3.3 |
| Echinocardium flavescens (O.F. Müller, 1776) | 3.3 |
| Ophiura albida Forbes, 1839 | 3.3 |
| Bathyporeia elegans Watkin, 1938 | 3.3 |
| Moerella pygmaea (Lovén, 1846) | 3.3 |
| Thyasira Lamarck, 1818 | 3.3 |
| Chaetoderma nitidulum Lovén, 1844 | 3.3 |
| Antalis entalis (Linnaeus, 1758) | 3.3 |
| Gari fervensis (Gmelin, 1791) | 1.7 |
| Dosinia exoleta (Linnaeus, 1758) | 1.7 |
| Bathyporeia tenuipes Meinert, 1877 | 1.7 |
| Cheirocratus intermedius G.O. Sars, 1894 | 1.7 |
| Nereis Linnaeus, 1758 | 1.7 |
| Hippomedon denticulatus (Spence Bate, 1857) | 1.7 |
| Ampelisca brevicornis (A. Costa, 1853) | 1.7 |
| Ampelisca macrocephala Liljeborg, 1853 | 1.7 |
| Leptochiton asellus (Gmelin, 1791) | 1.7 |
| Poecilochaetus serpens Allen, 1904 | 1.7 |
| Tharyx Webster & Benedict, 1887 | 1.7 |
| Cossura longocirrata Webster & Benedict, 1887 | 1.7 |
| Praxillura longissima Arwidsson, 1906 | 1.7 |
| Ophiodromus flexuosus (Delle Chiaje, 1827) | 1.7 |
| Synelmis klatti (Friedrich, 1950) | 1.7 |
| Owenia fusiformis Delle Chiaje, 1844 | 1.7 |
| Eteone longa (Fabricius, 1780) | 1.7 |
| Sabellidae Latreille, 1825 | 1.7 |
| Hydroides norvegica Gunnerus, 1768 | 1.7 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 1.7 |
| Nephtys longosetosa Örsted, 1842 | 1.7 |
| Eudorellopsis deformis (Krøyer, 1846) | 1.7 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 1.7 |
