| Taxon | Density |
| Myriochele Malmgren, 1867 | 119.1 |
| Amphiura filiformis (O.F. Müller, 1776) | 108.8 |
| Montacuta substriata (Montagu, 1808) | 72.5 |
| Nemertea | 43.7 |
| Mysella bidentata (Montagu, 1803) | 36.6 |
| Scoloplos armiger (Müller, 1776) | 35 |
| Anthozoa | 33.1 |
| Goniada maculata Örsted, 1843 | 28.4 |
| Magelona F. Müller, 1858 | 26.4 |
| Spiophanes bombyx (Claparède, 1870) | 26.4 |
| Nephtys longosetosa Örsted, 1842 | 23.2 |
| Ophelia borealis Quatrefages, 1866 | 21.7 |
| Eudorellopsis deformis (Krøyer, 1846) | 20.1 |
| Pholoe Johnston, 1839 | 20 |
| Owenia fusiformis Delle Chiaje, 1844 | 20 |
| Amphictene auricoma (O.F. Müller, 1776) | 16.8 |
| Tellimya ferruginosa (Montagu, 1808) | 16.6 |
| Photis reinhardi Krøyer, 1842 | 16.6 |
| Phoronis Wright, 1856 | 16.6 |
| Cochlodesma (Bontaea) praetenue (Pulteney, 1799) | 16.6 |
| Ophiura affinis Lütken, 1858 | 15.1 |
| Argissa hamatipes (Norman, 1869) | 13.2 |
| Tridonta montagui (Dillwyn, 1817) | 11.5 |
| Bathyporeia elegans Watkin, 1938 | 11.5 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 10 |
| Ampelisca macrocephala Liljeborg, 1853 | 10 |
| Diastylis bradyi Norman, 1879 | 10 |
| Aricidea simonae Laubier & Ramos, 1974 | 10 |
| Spio filicornis (Müller, 1776) | 9.8 |
| Arctica islandica (Linnaeus, 1767) | 8.1 |
| Phaxas pellucidus (Pennant, 1777) | 7.1 |
| Nephtys caeca (Fabricius, 1780) | 7.1 |
| Eulalia bilineata (Johnston, 1840) | 6.8 |
| Nephtys Cuvier, 1817 | 6.8 |
| Aricidea minuta Southward, 1956 | 6.8 |
| Travisia forbesii Johnston, 1840 | 6.8 |
| Chamelea gallina (Linnaeus, 1758) | 6.8 |
| Ampelisca brevicornis (A. Costa, 1853) | 5.2 |
| Sthenelais limicola (Ehlers, 1864) | 4.9 |
| Abra prismatica (Montagu, 1808) | 4.9 |
| Dosinia lupinus (Linnaeus, 1758) | 3.3 |
| Mactra stultorum (Linnaeus, 1758) | 3.3 |
| Ericthonius difformis H. Milne Edwards, 1830 | 3.3 |
| Chaetoderma nitidulum Lovén, 1844 | 3.3 |
| Modiolus modiolus (Linnaeus, 1758) | 3.3 |
| Echinocardium cordatum (Pennant, 1777) | 3.3 |
| Echinocardium flavescens (O.F. Müller, 1776) | 3.3 |
| Anobothrus gracilis (Malmgren, 1866) | 3.3 |
| Magelona alleni Wilson, 1958 | 3.3 |
| Chaetozone setosa Malmgren, 1867 | 3.3 |
| Levinsenia gracilis (Tauber, 1879) | 3.3 |
| Diastylis laevis Norman, 1869 | 3.3 |
| Petalosarsia declivis (Sars, 1865) | 3.3 |
| Pseudocuma (Pseudocuma) simile G.O. Sars, 1900 | 3.3 |
| Hemilamprops roseus (Norman, 1863) | 3.3 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 3.3 |
| Schistomysis kervillei (G.O. Sars, 1885) | 3.3 |
| Lunatia montagui (Forbes, 1838) | 3.2 |
| Cylichna cylindracea (Pennant, 1777) | 3.2 |
| Sipuncula | 3.2 |
| Spatangus purpureus O.F. Müller, 1776 | 3 |
| Nuculoma tenuis (Montagu, 1808) | 3 |
| Photis longicaudata (Spence Bate & Westwood, 1862) | 3 |
| Paphia rhomboides (Pennant, 1777) | 3 |
| Harmothoe castanea (McIntosh, 1876) | 3 |
| Eteone foliosa Quatrefages, 1866 | 3 |
| Aphrodita aculeata Linnaeus, 1758 | 3 |
