| Taxon | Density |
| Nucula nitidosa Winckworth, 1930 | 87.1 |
| Amphiura filiformis (O.F. Müller, 1776) | 70.8 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 66.1 |
| Notomastus latericeus Sars, 1851 | 53.7 |
| Callianassa subterranea (Montagu, 1808) | 53.7 |
| Gattyana cirrhosa (Pallas, 1766) | 39.8 |
| Harpinia antennaria Meinert, 1890 | 39.8 |
| Chaetopterus variopedatus (Renier, 1804) | 39.8 |
| Mysella bidentata (Montagu, 1803) | 39.8 |
| Sipuncula | 33.1 |
| Synelmis klatti (Friedrich, 1950) | 30.2 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 23.4 |
| Eudorella truncatula (Bate, 1856) | 23.4 |
| Hyala vitrea (Montagu, 1803) | 23.4 |
| Chaetozone setosa Malmgren, 1867 | 20 |
| Glycera rouxii Audouin & Milne Edwards, 1833 | 16.6 |
| Cylichna cylindracea (Pennant, 1777) | 16.6 |
| Echinocardium cordatum (Pennant, 1777) | 16.6 |
| Phoronis Wright, 1856 | 13.2 |
| Lumbrineris hibernica McIntosh, 1903 | 13.2 |
| Capitellidae Grube, 1862 | 10 |
| Pholoe Johnston, 1839 | 10 |
| Ampelisca brevicornis (A. Costa, 1853) | 10 |
| Tellimya ferruginosa (Montagu, 1808) | 10 |
| Arctica islandica (Linnaeus, 1767) | 10 |
| Aoridae Stebbing, 1899 | 10 |
| Dosinia lupinus (Linnaeus, 1758) | 6.8 |
| Nuculoma tenuis (Montagu, 1808) | 6.8 |
| Ampelisca macrocephala Liljeborg, 1853 | 6.8 |
| Ampelisca tenuicornis Liljeborg, 1856 | 6.8 |
| Diastylis bradyi Norman, 1879 | 6.8 |
| Magelona alleni Wilson, 1958 | 6.8 |
| Enipo kinbergi Malmgren, 1865 | 6.8 |
| Owenia fusiformis Delle Chiaje, 1844 | 6.8 |
| Sthenelais limicola (Ehlers, 1864) | 6.8 |
| Anthozoa | 6.6 |
| Aonides paucibranchiata Southern, 1914 | 3.3 |
| Minuspio cirrifera (Wirén, 1883) | 3.3 |
| Pseudopolydora pulchra (Carazzi, 1893) | 3.3 |
| Spiophanes kroyeri Grube, 1860 | 3.3 |
| Anobothrus gracilis (Malmgren, 1866) | 3.3 |
| Lysilla loveni Malmgren, 1866 | 3.3 |
| Glycinde nordmanni (Malmgren, 1866) | 3.3 |
| Goniada maculata Örsted, 1843 | 3.3 |
| Gyptis capensis (Day, 1963) | 3.3 |
| Diastylis lucifera (Krøyer, 1837) | 3.3 |
| Processa nouveli holthuisi Al-Adhub & Williamson, 1975 | 3.3 |
| Acidostoma obesum (Spence Bate & Westwood, 1861) | 3.3 |
| Harmothoe Kinberg, 1856 | 3.3 |
| Upogebia deltaura (Leach, 1816) | 3.3 |
| Modiolus barbatus (Linnaeus, 1758) | 3.3 |
| Lunatia poliana (Della Chiaje, 1826) | 3.3 |
| Ophiura albida Forbes, 1839 | 3.3 |
| Mysia undata (Pennant, 1777) | 3.3 |
| Corbula gibba (Olivi, 1792) | 3.3 |
| Hiatella arctica (Linnaeus, 1767) | 3.3 |
| Lepton squamosum (Montagu, 1803) | 3.3 |
| Abra nitida (O. F. Müller, 1776) | 3.3 |
| Abra prismatica (Montagu, 1808) | 3.3 |
| Holothuroidea | 3.3 |
| Nemertea | 3.3 |
