| Taxon | Density |
| Magelona F. Müller, 1858 | 426.6 |
| Fabulina fabula (Gmelin, 1791) | 389 |
| Phoronis Wright, 1856 | 182 |
| Amphiuridae Ljungman, 1867 | 158.5 |
| Spiophanes bombyx (Claparède, 1870) | 134.9 |
| Nephtys cirrosa Ehlers, 1868 | 100 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 95.5 |
| Mysella bidentata (Montagu, 1803) | 81.3 |
| Spio filicornis (Müller, 1776) | 74.1 |
| Bathyporeia elegans Watkin, 1938 | 61.7 |
| Nemertea | 61.7 |
| Amphiura filiformis (O.F. Müller, 1776) | 56.2 |
| Bathyporeia tenuipes Meinert, 1877 | 56.2 |
| Amphiura (Acrocnida) brachiata (Montagu, 1804) | 47.9 |
| Lunatia poliana (Della Chiaje, 1826) | 37.2 |
| Bathyporeia guilliamsoniana (Spence Bate, 1857) | 37.2 |
| Thracia phaseolina (Lamarck, 1818) | 33.9 |
| Anthozoa | 28.2 |
| Tellimya ferruginosa (Montagu, 1808) | 25.7 |
| Sigalion mathildae Audouin & Milne Edwards, 1832 | 22.4 |
| Goniada maculata Örsted, 1843 | 20 |
| Dosinia lupinus (Linnaeus, 1758) | 20 |
| Echinocardium cordatum (Pennant, 1777) | 20 |
| Chamelea gallina (Linnaeus, 1758) | 17 |
| Arctica islandica (Linnaeus, 1767) | 11.2 |
| Nucula nitidosa Winckworth, 1930 | 11.2 |
| Thyasira Lamarck, 1818 | 11.2 |
| Pholoe Johnston, 1839 | 11.2 |
| Magelona alleni Wilson, 1958 | 11.2 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 8.5 |
| Pontocrates Boeck, 1871 | 8.5 |
| Gari fervensis (Gmelin, 1791) | 8.5 |
| Cylichna cylindracea (Pennant, 1777) | 8.5 |
| Ophiura albida Forbes, 1839 | 8.5 |
| Echinocyamus pusillus (O.F. Müller, 1776) | 8.5 |
| Abra prismatica (Montagu, 1808) | 5.8 |
| Siphonoecetes (Centraloecetes) kroyeranus Spence Bate, 1857 | 5.8 |
| Iphinoe trispinosa (Goodsir, 1843) | 5.8 |
| Acidostoma obesum (Spence Bate & Westwood, 1861) | 5.8 |
| Chaetozone setosa Malmgren, 1867 | 5.8 |
| Amphictene auricoma (O.F. Müller, 1776) | 5.8 |
| Sthenelais limicola (Ehlers, 1864) | 5.8 |
| Ensis Schumacher, 1817 | 5.6 |
| Phaxas pellucidus (Pennant, 1777) | 2.8 |
| Mysia undata (Pennant, 1777) | 2.8 |
| Anaitides subulifera Eliason, 1962 | 2.8 |
| Glycinde nordmanni (Malmgren, 1866) | 2.8 |
| Owenia fusiformis Delle Chiaje, 1844 | 2.8 |
| Notomastus latericeus Sars, 1851 | 2.8 |
| Poecilochaetus serpens Allen, 1904 | 2.8 |
| Hippomedon denticulatus (Spence Bate, 1857) | 2.8 |
| Menigrates obtusifrons (Boeck, 1861) | 2.8 |
| Ampelisca brevicornis (A. Costa, 1853) | 2.8 |
| Pseudocuma longicornis (Bate) | 2.8 |
| Pontocrates altamarinus (Spence Bate & Westwood, 1862) | 2.8 |
| Urothoe poseidonis Reibish, 1905 | 2.8 |
| Nephtys longosetosa Örsted, 1842 | 2.8 |
| Harmothoe Kinberg, 1856 | 2.8 |
