| Taxon | Density |
| Phoronis Wright, 1856 | 1148.2 |
| Anthozoa | 141.3 |
| Chamelea gallina (Linnaeus, 1758) | 128.8 |
| Magelona F. Müller, 1858 | 72.4 |
| Pholoe Johnston, 1839 | 33.1 |
| Lunatia poliana (Della Chiaje, 1826) | 30.2 |
| Nemertea | 30.2 |
| Amphictene auricoma (O.F. Müller, 1776) | 22.9 |
| Owenia fusiformis Delle Chiaje, 1844 | 12.9 |
| Iphinoe trispinosa (Goodsir, 1843) | 10 |
| Fabulina fabula (Gmelin, 1791) | 10 |
| Echinocardium cordatum (Pennant, 1777) | 7.1 |
| Ensis Schumacher, 1817 | 7.1 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 7.1 |
| Glycinde nordmanni (Malmgren, 1866) | 4 |
| Nephtys cirrosa Ehlers, 1868 | 3 |
| Diastylis rugosa Sars, 1865 | 3 |
| Ampelisca brevicornis (A. Costa, 1853) | 3 |
| Eteone longa (Fabricius, 1780) | 3 |
| Sabellidae Latreille, 1825 | 3 |
| Eumida sanguinea (Örsted, 1843) | 3 |
| Scalibregma inflatum Rathke, 1843 | 3 |
| Sigalion mathildae Audouin & Milne Edwards, 1832 | 3 |