| Taxon | Density |
| Amphiura filiformis (O.F. Müller, 1776) | 311.7 |
| Harpinia antennaria Meinert, 1890 | 102.3 |
| Mysella bidentata (Montagu, 1803) | 62.7 |
| Scoloplos armiger (Müller, 1776) | 49.5 |
| Phoronis Wright, 1856 | 36.3 |
| Tharyx Webster & Benedict, 1887 | 24 |
| Magelona F. Müller, 1858 | 23.4 |
| Callianassa subterranea (Montagu, 1808) | 23.4 |
| Chaetozone setosa Malmgren, 1867 | 22.1 |
| Myriochele Malmgren, 1867 | 22 |
| Eudorella truncatula (Bate, 1856) | 20 |
| Eudorellopsis deformis (Krøyer, 1846) | 20 |
| Ophiura albida Forbes, 1839 | 20 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 19.6 |
| Pholoe Johnston, 1839 | 17.4 |
| Lunatia poliana (Della Chiaje, 1826) | 17.4 |
| Hippomedon denticulatus (Spence Bate, 1857) | 16.6 |
| Nemertea | 15.8 |
| Cylichna cylindracea (Pennant, 1777) | 15.7 |
| Chaetoderma nitidulum Lovén, 1844 | 13.2 |
| Holothuroidea | 13.2 |
| Diastylis bradyi Norman, 1879 | 13.2 |
| Nephtys longosetosa Örsted, 1842 | 13.2 |
| Spiophanes bombyx (Claparède, 1870) | 13.2 |
| Chamelea gallina (Linnaeus, 1758) | 10.6 |
| Ampelisca tenuicornis Liljeborg, 1856 | 10 |
| Abra prismatica (Montagu, 1808) | 10 |
| Scalibregma inflatum Rathke, 1843 | 10 |
| Glycinde nordmanni (Malmgren, 1866) | 10 |
| Goniada maculata Örsted, 1843 | 10 |
| Corophium affine Bruzelius, 1859 | 10 |
| Ampelisca brevicornis (A. Costa, 1853) | 9 |
| Sthenelais limicola (Ehlers, 1864) | 9 |
| Phaxas pellucidus (Pennant, 1777) | 9 |
| Melanella alba (da Costa, 1778) | 7.9 |
| Cirolana borealis Liljeborg, 1851 | 7.9 |
| Owenia fusiformis Delle Chiaje, 1844 | 7.9 |
| Harmothoe impar (Johnston, 1839) | 7.9 |
| Polyphysia crassa (Örsted, 1843) | 6.8 |
| Nuculoma tenuis (Montagu, 1808) | 6.8 |
| Dosinia lupinus (Linnaeus, 1758) | 6.8 |
| Bathyporeia elegans Watkin, 1938 | 6.8 |
| Nucula nitidosa Winckworth, 1930 | 5.6 |
| Bathyporeia tenuipes Meinert, 1877 | 3.3 |
| Arctica islandica (Linnaeus, 1767) | 3.3 |
| Echinocardium flavescens (O.F. Müller, 1776) | 3.3 |
| Enteropneusta | 3.3 |
| Diplocirrus glaucus (Malmgren, 1867) | 3.3 |
| Notomastus latericeus Sars, 1851 | 3.3 |
| Anthozoa | 3.3 |
| Chaetopterus variopedatus (Renier, 1804) | 3.3 |
| Levinsenia gracilis (Tauber, 1879) | 3.3 |
| Poecilochaetus serpens Allen, 1904 | 3.3 |
| Spio filicornis (Müller, 1776) | 3.3 |
| Westwoodilla caecula (Spence Bate, 1857) | 3.3 |
| Corystes cassivelaunus (Pennant, 1777) | 3.3 |
| Gattyana cirrhosa (Pallas, 1766) | 3.3 |
| Ophiodromus flexuosus (Delle Chiaje, 1827) | 3.3 |
| Nephtys cirrosa Ehlers, 1868 | 3.3 |
