| Taxon | Density |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 144.5 |
| Polycirrus medusa Grube, 1850 | 43.7 |
| Nemertea | 41.7 |
| Pholoe Johnston, 1839 | 36.3 |
| Scalibregma inflatum Rathke, 1843 | 28.2 |
| Mysella bidentata (Montagu, 1803) | 28.2 |
| Mya arenaria Linnaeus, 1758 | 28.2 |
| Chaetozone setosa Malmgren, 1867 | 20 |
| Psammechinus miliaris (P.L.S. Müller, 1771) | 18.2 |
| Scolelepis bonnieri (Mesnil, 1896) | 15.8 |
| Anthozoa | 15.8 |
| Marphysa sanguinea (Montagu, 1813) | 15.8 |
| Sabellidae Latreille, 1825 | 14.1 |
| Ampelisca spinipes Boeck, 1861 | 14.1 |
| Glycera lapidum Quatrefages, 1866 | 12 |
| Gattyana cirrhosa (Pallas, 1766) | 12 |
| Atylus falcatus Metzger, 1871 | 12 |
| Pleurobranchus membranaceus (Montagu, 1816) | 10 |
| Nicomache Malmgren, 1865 | 10 |
| Harmothoe lunulata (Delle Chiaje, 1830) | 6 |
| Isopoda | 6 |
| Eusyllis blomstrandi Malmgren, 1867 | 6 |
| Botryllus schlosseri (Pallas, 1766) | 4 |
| Terebellides stroemii Sars, 1835 | 4 |
| Spio filicornis (Müller, 1776) | 4 |
| Pectinariidae Quatrefages, 1866 | 2 |
| Eumida sanguinea (Örsted, 1843) | 2 |
| Callianassa subterranea (Montagu, 1808) | 2 |
| Leucothoe procera Spence Bate, 1857 | 2 |
| Gastrosaccus spinifer (Goës, 1864) | 2 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 2 |
| Polyplacophora | 2 |
