| Taxon | Density |
| Mysella bidentata (Montagu, 1803) | 529 |
| Amphiura filiformis (O.F. Müller, 1776) | 351.8 |
| Magelona F. Müller, 1858 | 133.7 |
| Harpinia antennaria Meinert, 1890 | 103.2 |
| Scoloplos armiger (Müller, 1776) | 82.9 |
| Bathyporeia elegans Watkin, 1938 | 49 |
| Nucula nitidosa Winckworth, 1930 | 32.3 |
| Arctica islandica (Linnaeus, 1767) | 30.2 |
| Pholoe Johnston, 1839 | 30.2 |
| Synelmis klatti (Friedrich, 1950) | 26.9 |
| Callianassa subterranea (Montagu, 1808) | 26.9 |
| Eudorellopsis deformis (Krøyer, 1846) | 24.9 |
| Phoronis Wright, 1856 | 23.4 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 22.8 |
| Tellimya ferruginosa (Montagu, 1808) | 20 |
| Chamelea gallina (Linnaeus, 1758) | 19.6 |
| Goniada maculata Örsted, 1843 | 16.6 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 16.6 |
| Bathyporeia tenuipes Meinert, 1877 | 16.6 |
| Chaetozone setosa Malmgren, 1867 | 16.6 |
| Echinocardium cordatum (Pennant, 1777) | 16.2 |
| Eudorella truncatula (Bate, 1856) | 15.4 |
| Nemertea | 13.2 |
| Lunatia poliana (Della Chiaje, 1826) | 11.3 |
| Corbula gibba (Olivi, 1792) | 10 |
| Vitreolina philippi (de Rayneval & Ponzi, 1854) | 10 |
| Dosinia lupinus (Linnaeus, 1758) | 10 |
| Capitellidae Grube, 1862 | 10 |
| Sigalion mathildae Audouin & Milne Edwards, 1832 | 7.9 |
| Goniadella bobretzkii | 7.9 |
| Cheirocratus Norman, 1867 | 7.9 |
| Sipuncula | 7.9 |
| Chaetopterus variopedatus (Renier, 1804) | 7.4 |
| Harmothoe (Harmothoe) glabra (Malmgren, 1866) | 6.8 |
| Spiophanes bombyx (Claparède, 1870) | 6.8 |
| Glycinde nordmanni (Malmgren, 1866) | 6.8 |
| Amphictene auricoma (O.F. Müller, 1776) | 6.8 |
| Nephtys Cuvier, 1817 | 6.8 |
| Harmothoe Kinberg, 1856 | 6.8 |
| Nephtys longosetosa Örsted, 1842 | 6.8 |
| Nuculoma tenuis (Montagu, 1808) | 6.8 |
| Ampelisca tenuicornis Liljeborg, 1856 | 5.6 |
| Gyptis capensis (Day, 1963) | 5.6 |
| Owenia fusiformis Delle Chiaje, 1844 | 5.6 |
| Sthenelais limicola (Ehlers, 1864) | 3.3 |
| Anaitides subulifera Eliason, 1962 | 3.3 |
| Glycera alba (O.F. Müller, 1776) | 3.3 |
| Spio filicornis (Müller, 1776) | 3.3 |
| Ophelina acuminata Örsted, 1843 | 3.3 |
| Scalibregma inflatum Rathke, 1843 | 3.3 |
| Gattyana cirrhosa (Pallas, 1766) | 3.3 |
| Chaetoderma nitidulum Lovén, 1844 | 3.3 |
| Hippomedon denticulatus (Spence Bate, 1857) | 3.3 |
| Ampelisca brevicornis (A. Costa, 1853) | 3.3 |
| Abra alba (W. Wood, 1802) | 3.3 |
| Ophiura albida Forbes, 1839 | 3.3 |
| Hyala vitrea (Montagu, 1803) | 3.3 |
| Cylichna cylindracea (Pennant, 1777) | 3.3 |
| Philine scabra (O. F. Müller, 1784) | 3.3 |
| Priapulida | 3.3 |
| Enteropneusta | 3.3 |
