| Taxon | Density |
| Urothoe poseidonis Reibish, 1905 | 186.2 |
| Magelona F. Müller, 1858 | 93.3 |
| Fabulina fabula (Gmelin, 1791) | 93.3 |
| Echinocardium cordatum (Pennant, 1777) | 79.4 |
| Ophelia borealis Quatrefages, 1866 | 75.9 |
| Lagis koreni Malmgren, 1866 | 53.7 |
| Bathyporeia guilliamsoniana (Spence Bate, 1857) | 45.7 |
| Ophiura albida Forbes, 1839 | 45.7 |
| Spiophanes bombyx (Claparède, 1870) | 42.7 |
| Bathyporeia elegans Watkin, 1938 | 39.8 |
| Goniada maculata Örsted, 1843 | 22.4 |
| Nephtys cirrosa Ehlers, 1868 | 22.4 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 14.1 |
| Scoloplos armiger (Müller, 1776) | 14.1 |
| Scolelepis bonnieri (Mesnil, 1896) | 14.1 |
| Eteone longa (Fabricius, 1780) | 11.2 |
| Pholoe Johnston, 1839 | 8.5 |
| Nephtys longosetosa Örsted, 1842 | 8.5 |
| Moerella pygmaea (Lovén, 1846) | 8.5 |
| Ophiura ophiura (Linnaeus, 1758) | 5.8 |
| Echinocyamus pusillus (O.F. Müller, 1776) | 5.8 |
| Tellimya ferruginosa (Montagu, 1808) | 5.8 |
| Nemertea | 2.8 |
| Abra prismatica (Montagu, 1808) | 2.8 |
| Chamelea gallina (Linnaeus, 1758) | 2.8 |
| Lunatia poliana (Della Chiaje, 1826) | 2.8 |
| Ophiura affinis Lütken, 1858 | 2.8 |
| Mysella bidentata (Montagu, 1803) | 2.8 |
| Chaetozone setosa Malmgren, 1867 | 2.8 |