| Taxon | Density |
| Hydroides norvegica Gunnerus, 1768 | 199.5 |
| Pholoe Johnston, 1839 | 85.1 |
| Glycera lapidum Quatrefages, 1866 | 67.6 |
| Pomatoceros triqueter (Linnaeus, 1758) | 44.7 |
| Sabellidae Latreille, 1825 | 39.8 |
| Lepidepecreum longicorne (Spence Bate & Westwood, 1861) | 25.1 |
| Leptochiton J. E. Gray, 1847 | 25.1 |
| Aonides paucibranchiata Southern, 1914 | 25.1 |
| Laonice cirrata (M. Sars, 1851) | 20 |
| Lagis koreni Malmgren, 1866 | 20 |
| Glycinde nordmanni (Malmgren, 1866) | 20 |
| 20 |
| Tridonta elliptica (T. Brown, 1827) | 20 |
| Goniadella gracilis (Verrill, 1873) | 15.1 |
| Galathea Fabricius, 1793 | 15.1 |
| Cheirocratus Norman, 1867 | 15.1 |
| Cheirocratus sundevallii (Rathke, 1843) | 15.1 |
| Harmothoe Kinberg, 1856 | 15.1 |
| Dodecaceria concharum Örsted, 1843 | 15.1 |
| Scalibregma inflatum Rathke, 1843 | 15.1 |
| Harmothoe mcintoshi Tebble & Chambers, 1982 | 15.1 |
| Aricidea cerrutii Laubier, 1966 | 15.1 |
| Chrysopetalum fragile Ehlers, 1864 | 15.1 |
| Paradoneis lyra (Southern, 1914) | 10 |
| Chaetopterus variopedatus (Renier, 1804) | 10 |
| Nereidae Blainville, 1818 | 10 |
| Mystides limbata Saint-Joseph, 1888 | 10 |
| Eteone longa (Fabricius, 1780) | 10 |
| Polycirrus Grube, 1850 | 10 |
| Thelepus cincinnatus (Fabricius, 1780) | 10 |
| Ampelisca spinipes Boeck, 1861 | 10 |
| Eulima bilineata Alder, 1848 | 10 |
| Glycera alba (O.F. Müller, 1776) | 7.6 |
| Hesionidae Grube, 1850 | 5 |
| Nephtys caeca (Fabricius, 1780) | 5 |
| Nephtys longosetosa Örsted, 1842 | 5 |
| Nothria conchylega (Sars, 1835) | 5 |
| Gnathia oxyuraea (Lilljeborg, 1855) | 5 |
| Janira maculosa Leach, 1814 | 5 |
| Langerhansia cornuta (Rathke, 1843) | 5 |
| Syllides longocirratus (Örsted, 1845) | 5 |
| Harmothoe fragilis Moore, 1910 | 5 |
| Ophelina acuminata Örsted, 1843 | 5 |
| Terebellides stroemii Sars, 1835 | 5 |
| Scolelepis tridentata (Southern, 1914) | 5 |
| Minuspio cirrifera (Wirén, 1883) | 5 |
| Polydora (Polydora) caulleryi Mesnil, 1897 | 5 |
| Lunatia J. E. Gray, 1847 | 5 |
| Parvicardium ovale (G. B. Sowerby II, 1840) | 5 |
| Circomphalus casina (Linnaeus, 1758) | 5 |
| Gammaropsis nitida (Stimpson, 1853) | 5 |
| Liocarcinus depurator (Linnaeus, 1758) | 5 |
| Hippomedon denticulatus (Spence Bate, 1857) | 5 |
| Scopelocheirus hopei (A. Costa in Hope, 1851) | 5 |
| Argissa hamatipes (Norman, 1869) | 5 |
