| Taxon | Density |
| Sabellidae Latreille, 1825 | 891.3 |
| Thyasira Lamarck, 1818 | 389 |
| Spiophanes kroyeri Grube, 1860 | 371.5 |
| Levinsenia gracilis (Tauber, 1879) | 218.8 |
| Capitellidae Grube, 1862 | 158.5 |
| Ampharete acutifrons (Grube, 1860) | 158.5 |
| Myriochele Malmgren, 1867 | 151.4 |
| Eriopisa elongata (Bruzelius, 1859) | 120.2 |
| Paramphinome jeffreysii (McIntosh, 1868) | 109.6 |
| Pseudopolydora Czerniavsky, 1881 | 89.1 |
| Limatula subauriculata (Montagu, 1808) | 89.1 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 60.3 |
| Thracia convexa (W. Wood, 1815) | 50.1 |
| Nemertea | 39.8 |
| Ophiuroidea | 39.8 |
| Timoclea ovata (Pennant, 1777) | 39.8 |
| Minuspio cirrifera (Wirén, 1883) | 39.8 |
| Owenia fusiformis Delle Chiaje, 1844 | 39.8 |
| Nephtys paradoxa Malm, 1874 | 39.8 |
| Astacilla longicornis (Sowerby, 1806) | 39.8 |
| Leucon (Leucon) nasica (Krøyer, 1841) | 39.8 |
| Thyasira ferruginea (Locard, 1886) | 30.2 |
| Kefersteinia cirrhata (Keferstein, 1862) | 30.2 |
| Polycirrus Grube, 1850 | 30.2 |
| Ampharetidae Malmgren, 1866 | 30.2 |
| Pholoe Johnston, 1839 | 30.2 |
| Philine scabra (O. F. Müller, 1784) | 30.2 |
| Terebellides stroemii Sars, 1835 | 20 |
| Streblosoma intestinalis [auct. misspelling] | 20 |
| Ceratocephale loveni Malmgren, 1867 | 20 |
| Abra nitida (O. F. Müller, 1776) | 20 |
| Arctica islandica (Linnaeus, 1767) | 20 |
| Diastylis rugosa Sars, 1865 | 10 |
| Calocaris macandreae Bell, 1846 | 10 |
| Leucothoe lilljeborgi Boeck, 1861 | 10 |
| Ampelisca gibba G.O. Sars, 1883 | 10 |
| Aphrodita aculeata Linnaeus, 1758 | 10 |
| Pista cristata (Müller, 1776) | 10 |
| Rhodine gracilior Tauber, 1879 | 10 |
| Ophelia borealis Quatrefages, 1866 | 10 |
| Amphicteis gunneri (M. Sars, 1835) | 10 |
| Phylo grubei (McIntosh, 1910) | 10 |
| Notomastus latericeus Sars, 1851 | 10 |
| Euclymene Verrill, 1900 | 10 |
| Praxillella affinis (M. Sars in G.O. Sars, 1872) | 10 |
| Pectinidae Rafinesque, 1815 | 10 |
| Amphiura chiajei Forbes, 1843 | 10 |
