| Taxon | Density |
| Leptochiton asellus (Gmelin, 1791) | 154.9 |
| Myriochele Malmgren, 1867 | 83.2 |
| Sabellidae Latreille, 1825 | 60.3 |
| Ampelisca spinipes Boeck, 1861 | 60.3 |
| Paradoneis lyra (Southern, 1914) | 55 |
| Echinocyamus pusillus (O.F. Müller, 1776) | 50.1 |
| Paraphoxus oculatus (G. O. Sars, 1879) | 30.2 |
| Ophiura albida Forbes, 1839 | 26.9 |
| Thyasira ferruginea (Locard, 1886) | 26.9 |
| Pholoe Johnston, 1839 | 25.1 |
| Goniada maculata Örsted, 1843 | 23.4 |
| Nucula nitidosa Winckworth, 1930 | 23.4 |
| Abludomelita obtusata (Montagu, 1813) | 21.9 |
| Melinna cristata (M. Sars, 1851) | 21.9 |
| Anobothrus gracilis (Malmgren, 1866) | 18.2 |
| Hydroides norvegica Gunnerus, 1768 | 18.2 |
| Gammaropsis maculata (Johnston, 1828) | 18.2 |
| Margarites helicinus (Phipps, 1774) | 16.6 |
| Cheirocratus sundevallii (Rathke, 1843) | 16.6 |
| Exogone (Parexogone) hebes (Webster & Benedict, 1884) | 16.6 |
| Levinsenia gracilis (Tauber, 1879) | 16.6 |
| Chaetozone setosa Malmgren, 1867 | 15.1 |
| Pomatoceros triqueter (Linnaeus, 1758) | 15.1 |
| Nemertea | 15.1 |
| Tellimya ferruginosa (Montagu, 1808) | 13.2 |
| Glycera celtica O'Connor, 1987 | 13.2 |
| Glycera lapidum Quatrefages, 1866 | 13.2 |
| Anthozoa | 12.3 |
| Sabellaria spinulosa (Leuckart, 1849) | 11.7 |
| Owenia fusiformis Delle Chiaje, 1844 | 11.7 |
| Nuculoma tenuis (Montagu, 1808) | 11.7 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 10 |
| Scoloplos armiger (Müller, 1776) | 8.3 |
| Poecilochaetus serpens Allen, 1904 | 8.3 |
| Urothoe elegans Spence Bate, 1857 | 8.3 |
| Mysella bidentata (Montagu, 1803) | 8.3 |
| Sipuncula | 8.3 |
| Cardium ovale G. B. Sowerby II, 1840 | 8.3 |
| Sphenia binghami W. Turton, 1822 | 8.3 |
| Holothuroidea | 6.8 |
| Maera othonis (H. Milne Edwards, 1830) | 6.8 |
| Atylus vedlomensis (Spence Bate & Westwood, 1862) | 5 |
| Antalis entalis (Linnaeus, 1758) | 5 |
| Photis longicaudata (Spence Bate & Westwood, 1862) | 5 |
| Eusyllis blomstrandi Malmgren, 1867 | 5 |
| Cirripedia | 5 |
| Scolelepis tridentata (Southern, 1914) | 5 |
| Harmothoe lunulata (Delle Chiaje, 1830) | 5 |
| Lumbrineris fragilis (O.F. Müller, 1776) | 5 |
| Rhodine gracilior Tauber, 1879 | 5 |
| Euclymene lumbricoides [auct. misspelling] | 5 |
| Astarte sulcata (da Costa, 1778) | 5 |
| Lunatia poliana (Della Chiaje, 1826) | 5 |
| Colus gracilis (da Costa, 1778) | 3.3 |
| Phoronis muelleri Selys-Longchamps, 1903 | 3.3 |
| Acanthocardia (Rudicardium) tuberculata (Linnaeus, 1758) | 3.3 |
| Thyasira Lamarck, 1818 | 3.3 |
| Palliolum striatum (O. F. Müller, 1776) | 3.3 |
| Chlamys distorta (da Costa, 1778) | 3.3 |
| Spatangus purpureus O.F. Müller, 1776 | 3.3 |
| Echinocardium flavescens (O.F. Müller, 1776) | 3.3 |
| Mya truncata Linnaeus, 1758 | 3.3 |
| Amphiura filiformis (O.F. Müller, 1776) | 3.3 |
| Praxillella praetermissa (Malmgren, 1865) | 3.3 |
| Capitellidae Grube, 1862 | 3.3 |
| Scalibregma inflatum Rathke, 1843 | 3.3 |
| Spiophanes bombyx (Claparède, 1870) | 3.3 |
| Ophelina norvegica Støp-Bowitz, 1945 | 3.3 |
| Polydora Bosc, 1802 | 3.3 |
| Diastyloides biplicatus (Sars G.O., 1865) | 3.3 |
| Chaetoderma nitidulum Lovén, 1844 | 3.3 |
| Hippomedon denticulatus (Spence Bate, 1857) | 3.3 |
| Lepidepecreum longicorne (Spence Bate & Westwood, 1861) | 3.3 |
| Nebalia bipes (Fabricius, 1780) | 1.7 |
| Tiron spiniferum (Stimpson, 1853) | 1.7 |
| Microprotopus maculatus Norman, 1867 | 1.7 |
| Upogebia stellata (Montagu, 1808) | 1.7 |
| Galathea intermedia Lilljeborg, 1851 | 1.7 |
| Atelecyclus rotundatus (Olivi, 1792) | 1.7 |
| Amphilochus manudens Spence Bate & Westwood, 1862 | 1.7 |
| Philomedes globosus (Lilljeborg, 1853) | 1.7 |
| Verruca stroemia (O.F. Müller, 1776) | 1.7 |
| Unciola crenatipalma (Spence Bate, 1863) | 1.7 |
| Phtisica marina Slabber, 1769 | 1.7 |
| Diastylis tumida (Liljeborg, 1855) | 1.7 |
| Brania Quatrefages, 1866 | 1.7 |
| Exogone (Exogone) naidina Örsted, 1845 | 1.7 |
| Nephtys ciliata (Müller, 1788) | 1.7 |
| Pseudeurythoe hemuli Fauchald, 1972 | 1.7 |
| Polydora (Polydora) flava Claparède, 1870 | 1.7 |
| Pseudopolydora pulchra (Carazzi, 1893) | 1.7 |
| Lepidonotus squamatus (Linnaeus, 1758) | 1.7 |
| Spio filicornis (Müller, 1776) | 1.7 |
| Cirratulus cirratus (O. F. Müller, 1776) | 1.7 |
| Serpula vermicularis Linnaeus, 1767 | 1.7 |
| Anaitides groenlandica (Örsted, 1842) | 1.7 |
| Amphictene auricoma (O.F. Müller, 1776) | 1.7 |
| Praxillura longissima Arwidsson, 1906 | 1.7 |
| Nicomache lumbricalis (Fabricius, 1780) | 1.7 |
| Cochlodesma (Bontaea) praetenue (Pulteney, 1799) | 1.7 |
| Dendrodoa grossularia (Van Beneden, 1846) | 1.7 |
| Callianassa laticauda Otto, 1821 | 1.7 |
| Lucinoma borealis (Linnaeus, 1767) | 1.7 |
| Nuculana minuta (O. F. Müller, 1776) | 1.7 |
| Montacuta substriata (Montagu, 1808) | 1.7 |
| Gouldia minima (Montagu, 1803) | 1.7 |
| Timoclea ovata (Pennant, 1777) | 1.7 |
| Crossaster papposus (Linnaeus, 1767) | 1.7 |
