| Taxon | Density |
| Amphiura filiformis (O.F. Müller, 1776) | 380.2 |
| Mysella bidentata (Montagu, 1803) | 257 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 229.1 |
| Phoronis Wright, 1856 | 79.4 |
| Pholoe Johnston, 1839 | 74.1 |
| Notomastus latericeus Sars, 1851 | 66.1 |
| Callianassa subterranea (Montagu, 1808) | 60.3 |
| Chaetopterus variopedatus (Renier, 1804) | 53.7 |
| Gattyana cirrhosa (Pallas, 1766) | 46.8 |
| Nemertea | 46.8 |
| Sipuncula | 39.8 |
| Nucula nitidosa Winckworth, 1930 | 36.3 |
| Owenia fusiformis Delle Chiaje, 1844 | 26.9 |
| Levinsenia gracilis (Tauber, 1879) | 23.4 |
| Harpinia antennaria Meinert, 1890 | 23.4 |
| Eudorella truncatula (Bate, 1856) | 20 |
| Capitellidae Grube, 1862 | 20 |
| Turritella communis Risso, 1826 | 20 |
| Cylichna cylindracea (Pennant, 1777) | 16.6 |
| Lysilla loveni Malmgren, 1866 | 10 |
| Lumbrineris hibernica McIntosh, 1903 | 10 |
| Synelmis klatti (Friedrich, 1950) | 10 |
| Eunereis longissima (Johnston, 1840) | 6.8 |
| Nephtys incisa Malmgren, 1865 | 6.8 |
| Glycera rouxii Audouin & Milne Edwards, 1833 | 6.8 |
| Upogebia deltaura (Leach, 1816) | 6.8 |
| Ampelisca tenuicornis Liljeborg, 1856 | 6.8 |
| Bathyporeia elegans Watkin, 1938 | 6.8 |
| Chaetozone setosa Malmgren, 1867 | 6.8 |
| Diplocirrus glaucus (Malmgren, 1867) | 6.8 |
| Nuculoma tenuis (Montagu, 1808) | 6.8 |
| Goniada maculata Örsted, 1843 | 6.8 |
| Polydora guillei Laubier & Ramos, 1974 | 6.8 |
| Echinocardium cordatum (Pennant, 1777) | 6.8 |
| Holothuroidea | 3.3 |
| Ophiura albida Forbes, 1839 | 3.3 |
| Thyasira Lamarck, 1818 | 3.3 |
| Caulleriella Chamberlin, 1919 | 3.3 |
| Anthozoa | 3.3 |
| Laonice cirrata (M. Sars, 1851) | 3.3 |
| Eumida sanguinea (Örsted, 1843) | 3.3 |
| Glycera alba (O.F. Müller, 1776) | 3.3 |
| Lagis koreni Malmgren, 1866 | 3.3 |
| Terebellides stroemii Sars, 1835 | 3.3 |
| Ophelina acuminata Örsted, 1843 | 3.3 |
| Myriochele Malmgren, 1867 | 3.3 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 3.3 |
| Tellimya ferruginosa (Montagu, 1808) | 3.3 |
| Arctica islandica (Linnaeus, 1767) | 3.3 |
| Chamelea gallina (Linnaeus, 1758) | 3.3 |
| Hyala vitrea (Montagu, 1803) | 3.3 |
| Liocarcinus holsatus (Fabricius, 1798) | 3.3 |
| Leucothoe incisa Robertson, 1892 | 3.3 |
| Glycinde nordmanni (Malmgren, 1866) | 3.3 |
