| Taxon | Density |
| Paradoneis lyra (Southern, 1914) | 229.1 |
| Pholoe Johnston, 1839 | 218.8 |
| Aricidea catherinae Laubier, 1967 | 208.9 |
| Thyasira Lamarck, 1818 | 208.9 |
| Eudorella emarginata (Krøyer, 1846) | 169.8 |
| Ophiuroidea | 151.4 |
| Mysella bidentata (Montagu, 1803) | 141.3 |
| Harpinia antennaria Meinert, 1890 | 128.8 |
| Spiophanes kroyeri Grube, 1860 | 109.6 |
| Anobothrus gracilis (Malmgren, 1866) | 109.6 |
| Tharyx Webster & Benedict, 1887 | 100 |
| Amphiura filiformis (O.F. Müller, 1776) | 100 |
| Laonice sarsi Söderström, 1920 | 79.4 |
| Capitellidae Grube, 1862 | 79.4 |
| Clymenura borealis (Arwidsson, 1906) | 70.8 |
| Minuspio cirrifera (Wirén, 1883) | 70.8 |
| Eudorella truncatula (Bate, 1856) | 70.8 |
| Exogone (Exogone) verugera (Claparède, 1868) | 70.8 |
| Nemertea | 60.3 |
| Praxillella affinis (M. Sars in G.O. Sars, 1872) | 60.3 |
| Mugga wahrbergi Eliason, 1955 | 60.3 |
| Spiophanes bombyx (Claparède, 1870) | 50.1 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 50.1 |
| Levinsenia gracilis (Tauber, 1879) | 39.8 |
| Chaetozone setosa Malmgren, 1867 | 39.8 |
| Urothoe elegans Spence Bate, 1857 | 39.8 |
| Pycnogonidae Wilson, 1878 | 30.2 |
| Phaxas pellucidus (Pennant, 1777) | 30.2 |
| Diplocirrus glaucus (Malmgren, 1867) | 30.2 |
| Notomastus latericeus Sars, 1851 | 30.2 |
| Caulleriella Chamberlin, 1919 | 20 |
| Anthozoa | 20 |
| Lumbrineris fragilis (O.F. Müller, 1776) | 20 |
| Abra nitida (O. F. Müller, 1776) | 20 |
| Amphiura chiajei Forbes, 1843 | 20 |
| Cylichna cylindracea (Pennant, 1777) | 20 |
| Sipuncula | 20 |
| Holothuroidea | 20 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 20 |
| Ampharetidae Malmgren, 1866 | 20 |
| Nephtys paradoxa Malm, 1874 | 20 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 10 |
| Leucon (Leucon) nasica (Krøyer, 1841) | 10 |
| Hemilamprops roseus (Norman, 1863) | 10 |
| Diastylis tumida (Liljeborg, 1855) | 10 |
| Synchelidium maculatum Stebbing, 1906 | 10 |
| Westwoodilla caecula (Spence Bate, 1857) | 10 |
| Ampelisca gibba G.O. Sars, 1883 | 10 |
| Eriopisa elongata (Bruzelius, 1859) | 10 |
| Antalis entalis (Linnaeus, 1758) | 10 |
| Ascidiacea | 10 |
| Molgula Forbes, 1848 | 10 |
| Eclysippe vanelli (Fauvel, 1936) | 10 |
| Sphaerodorum flavum Örsted, 1843 | 10 |
| Phoronis Wright, 1856 | 10 |
| Abra prismatica (Montagu, 1808) | 10 |
| Turritella communis Risso, 1826 | 10 |
| Lunatia montagui (Forbes, 1838) | 10 |
| Ophelina norvegica Støp-Bowitz, 1945 | 10 |
| Apistobranchus tullbergi (Théel, 1879) | 10 |
| Pseudopolydora pulchra (Carazzi, 1893) | 10 |
| Myriochele Malmgren, 1867 | 10 |
| Owenia fusiformis Delle Chiaje, 1844 | 10 |
| Amphictene auricoma (O.F. Müller, 1776) | 10 |
| Samytha sexcirrata (M. Sars, 1856) | 10 |
| Anaitides mucosa (Örsted, 1843) | 10 |
| Aphrodita aculeata Linnaeus, 1758 | 10 |
| Eumida sanguinea (Örsted, 1843) | 10 |
| Goniada maculata Örsted, 1843 | 10 |
| Kefersteinia cirrhata (Keferstein, 1862) | 10 |
