| Taxon | Density |
| Chamelea gallina (Linnaeus, 1758) | 245.5 |
| Anthozoa | 218.8 |
| Scoloplos armiger (Müller, 1776) | 166 |
| Pholoe Johnston, 1839 | 100 |
| Magelona F. Müller, 1858 | 87.1 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 46.8 |
| Mysella bidentata (Montagu, 1803) | 30.2 |
| Owenia fusiformis Delle Chiaje, 1844 | 26.9 |
| Glycinde nordmanni (Malmgren, 1866) | 17 |
| Spiophanes bombyx (Claparède, 1870) | 12.9 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 12.9 |
| Ensis Schumacher, 1817 | 10 |
| Phoronis Wright, 1856 | 10 |
| Amphiura filiformis (O.F. Müller, 1776) | 7.1 |
| Nemertea | 7.1 |
| Dosinia lupinus (Linnaeus, 1758) | 7.1 |
| Tellimya ferruginosa (Montagu, 1808) | 7.1 |
| Iphinoe trispinosa (Goodsir, 1843) | 7.1 |
| Chaetozone setosa Malmgren, 1867 | 7.1 |
| Capitella capitata (Fabricius, 1780) | 3 |
| Goniada maculata Örsted, 1843 | 3 |
| Lagis koreni Malmgren, 1866 | 3 |
| Diastylis bradyi Norman, 1879 | 3 |
| Ampelisca brevicornis (A. Costa, 1853) | 3 |
| Bathyporeia elegans Watkin, 1938 | 3 |
| Bathyporeia tenuipes Meinert, 1877 | 3 |
| Lunatia poliana (Della Chiaje, 1826) | 3 |
| Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789) | 3 |
