| Taxon | Density |
| Moerella pygmaea (Lovén, 1846) | 257 |
| Ophelia borealis Quatrefages, 1866 | 140.1 |
| Exogone (Parexogone) hebes (Webster & Benedict, 1884) | 66 |
| Abra nitida (O. F. Müller, 1776) | 60.3 |
| Glycera rouxii Audouin & Milne Edwards, 1833 | 60.3 |
| Echinocyamus pusillus (O.F. Müller, 1776) | 56.3 |
| Exogone (Exogone) verugera (Claparède, 1868) | 50.1 |
| Spiophanes bombyx (Claparède, 1870) | 42 |
| Thracia phaseolina (Lamarck, 1818) | 41.4 |
| Streptosyllis websteri Southern, 1914 | 39.8 |
| Pontocrates Boeck, 1871 | 39.8 |
| Aricidea cerrutii Laubier, 1966 | 39.8 |
| Glycera lapidum Quatrefages, 1866 | 31 |
| Antalis entalis (Linnaeus, 1758) | 30.9 |
| Cochlodesma (Bontaea) praetenue (Pulteney, 1799) | 26.9 |
| Notomastus latericeus Sars, 1851 | 21.9 |
| Chaetozone setosa Malmgren, 1867 | 21.7 |
| Myriochele Malmgren, 1867 | 20.1 |
| Glycera oxycephala Ehlers, 1887 | 20 |
| Musculus discors (Linnaeus, 1767) | 20 |
| Ampelisca typica (Spence Bate, 1857) | 20 |
| Sarsinebalia typhlops (G. O. Sars, 1870) | 20 |
| Nemertea | 18.3 |
| Sthenelais limicola (Ehlers, 1864) | 11.7 |
| Nephtys caeca (Fabricius, 1780) | 11.6 |
| Bathyporeia elegans Watkin, 1938 | 11.6 |
| Nothria conchylega (Sars, 1835) | 10.9 |
| Amphiura filiformis (O.F. Müller, 1776) | 10.9 |
| Ophiura affinis Lütken, 1858 | 10.9 |
| Echinocardium flavescens (O.F. Müller, 1776) | 10 |
| Ascidiacea | 10 |
| Sipuncula | 10 |
| Sphaerosyllis bulbosa Southern, 1914 | 10 |
| Petalosarsia declivis (Sars, 1865) | 10 |
| Pseudocuma longicornis (Bate) | 10 |
| Montacuta substriata (Montagu, 1808) | 10 |
| Lunatia poliana (Della Chiaje, 1826) | 10 |
| Abra prismatica (Montagu, 1808) | 10 |
| Eumida sanguinea (Örsted, 1843) | 10 |
| Spio filicornis (Müller, 1776) | 8.4 |
| Glycera celtica O'Connor, 1987 | 8.3 |
| Owenia fusiformis Delle Chiaje, 1844 | 8.3 |
| Phylo kupfferi (Ehlers, 1874) | 8.3 |
| Aonides paucibranchiata Southern, 1914 | 7.5 |
| Goniada maculata Örsted, 1843 | 7.5 |
| Anthozoa | 7.2 |
| Pholoe Johnston, 1839 | 6.8 |
| Syllidae Grube, 1850 | 6.8 |
| Eteone longa (Fabricius, 1780) | 6.7 |
| Aphrodita aculeata Linnaeus, 1758 | 5.9 |
| Glycinde nordmanni (Malmgren, 1866) | 5.9 |
| Praxillella affinis (M. Sars in G.O. Sars, 1872) | 5.9 |
| Polydora (Polydora) flava Claparède, 1870 | 5 |
| Scoloplos armiger (Müller, 1776) | 3.3 |
| Magelona alleni Wilson, 1958 | 3.3 |
| Travisia forbesii Johnston, 1840 | 3.3 |
| Monoculodes subnudus Norman, 1889 | 3.3 |
| Unciola planipes Norman, 1867 | 3.3 |
| Gari fervensis (Gmelin, 1791) | 3.3 |
| Ophiura albida Forbes, 1839 | 3.3 |
| Dosinia exoleta (Linnaeus, 1758) | 3.3 |
| Timoclea ovata (Pennant, 1777) | 1.7 |
| Ampharete acutifrons (Grube, 1860) | 1.7 |
| Echinocardium pennatifidum Norman, 1868 | 1.7 |
| Sphaerodorum flavum Örsted, 1843 | 1.7 |
| Circomphalus casina (Linnaeus, 1758) | 1.7 |
| Philine quadrata (S. V. Wood, 1839) | 1.7 |
| Phoronis Wright, 1856 | 1.7 |
| Amphiura (Acrocnida) brachiata (Montagu, 1804) | 1.7 |
| Mysella bidentata (Montagu, 1803) | 1.7 |
| Tellimya ferruginosa (Montagu, 1808) | 1.7 |
| Fabulina fabula (Gmelin, 1791) | 1.7 |
| Melphidippella macra (Norman, 1869) | 1.7 |
| Aoridae Stebbing, 1899 | 1.7 |
| Liocarcinus pusillus (Leach, 1816) | 1.7 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 1.7 |
| Siphonoecetes (Centraloecetes) kroyeranus Spence Bate, 1857 | 1.7 |
| Nephtys longosetosa Örsted, 1842 | 1.7 |
| Ophelina acuminata Örsted, 1843 | 1.7 |
| Polycirrus medusa Grube, 1850 | 1.7 |
| Sabellidae Latreille, 1825 | 1.7 |
| Anaitides rosea (McIntosh, 1877) | 1.7 |
| Tharyx Webster & Benedict, 1887 | 1.7 |
| Capitellidae Grube, 1862 | 1.7 |
| Nicomache lumbricalis (Fabricius, 1780) | 1.7 |
| Rhodine gracilior Tauber, 1879 | 1.7 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 1.7 |
| Polydora (Polydora) giardi Mesnil, 1893 | 1.7 |
| Levinsenia gracilis (Tauber, 1879) | 1.7 |
| Aonides oxycephala (Sars, 1862) | 1.7 |
