| Taxon | Density |
| Amphiura filiformis (O.F. Müller, 1776) | 575.4 |
| Owenia fusiformis Delle Chiaje, 1844 | 446.7 |
| Pholoe Johnston, 1839 | 416.9 |
| Diplocirrus glaucus (Malmgren, 1867) | 288.4 |
| Apistobranchus tullbergi (Théel, 1879) | 182 |
| Chaetozone setosa Malmgren, 1867 | 158.5 |
| Lagis koreni Malmgren, 1866 | 151.4 |
| Mugga wahrbergi Eliason, 1955 | 120.2 |
| Spiophanes bombyx (Claparède, 1870) | 120.2 |
| Spiophanes kroyeri Grube, 1860 | 120.2 |
| Prionospio steenstrupi Malmgren, 1867 | 100 |
| Paramphinome jeffreysii (McIntosh, 1868) | 100 |
| Harpinia antennaria Meinert, 1890 | 100 |
| Myrtea spinifera (Montagu, 1803) | 89.1 |
| Thyasira Lamarck, 1818 | 89.1 |
| Caudofoveata | 89.1 |
| Levinsenia gracilis (Tauber, 1879) | 89.1 |
| Glycinde nordmanni (Malmgren, 1866) | 89.1 |
| Nemertea | 70.8 |
| Sipuncula | 70.8 |
| Antalis entalis (Linnaeus, 1758) | 60.3 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 60.3 |
| Capitellidae Grube, 1862 | 60.3 |
| Scoloplos armiger (Müller, 1776) | 50.1 |
| Minuspio cirrifera (Wirén, 1883) | 50.1 |
| Anobothrus gracilis (Malmgren, 1866) | 50.1 |
| Aphrodita aculeata Linnaeus, 1758 | 50.1 |
| Ophiuroidea | 50.1 |
| Paradulichia Boeck, 1871 | 39.8 |
| Eudorella truncatula (Bate, 1856) | 39.8 |
| Eumida sanguinea (Örsted, 1843) | 39.8 |
| Glycera rouxii Audouin & Milne Edwards, 1833 | 30.2 |
| Praxillella affinis (M. Sars in G.O. Sars, 1872) | 30.2 |
| Peresiella clymenoides Harmelin, 1968 | 30.2 |
| Siboglinum Caullery, 1914 | 30.2 |
| Diastylis lucifera (Krøyer, 1837) | 30.2 |
| Ascidiacea | 30.2 |
| Megamphopus cornutus Norman, 1869 | 30.2 |
| Arcturella dilatata (G. O. Sars, 1883) | 20 |
| Ampelisca tenuicornis Liljeborg, 1856 | 20 |
| Paradoneis lyra (Southern, 1914) | 20 |
| Tharyx Webster & Benedict, 1887 | 20 |
| Clymenura borealis (Arwidsson, 1906) | 20 |
| Myriochele Malmgren, 1867 | 20 |
| Terebellides stroemii Sars, 1835 | 20 |
| Trichobranchus glacialis Malmgren, 1866 | 20 |
| Lanice conchilega (Pallas, 1766) | 20 |
| Sabellidae Latreille, 1825 | 20 |
| Ophiodromus flexuosus (Delle Chiaje, 1827) | 20 |
| Exogone (Parexogone) hebes (Webster & Benedict, 1884) | 20 |
| Notomastus latericeus Sars, 1851 | 10 |
| Polydora (Polydora) socialis (Schmarda, 1861) | 10 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 10 |
| Lumbrineris tetraura (Schmarda, 1861) | 10 |
| Protodorvillea kefersteini (McIntosh, 1869) | 10 |
| Orbinia sertulata (Savigny, 1822) | 10 |
| Hippomedon denticulatus (Spence Bate, 1857) | 10 |
| Lepidepecreum longicorne (Spence Bate & Westwood, 1861) | 10 |
| Urothoe elegans Spence Bate, 1857 | 10 |
| Eurydice pulchra Leach, 1816 | 10 |
| Gari fervensis (Gmelin, 1791) | 10 |
| Abra nitida (O. F. Müller, 1776) | 10 |
| Cuspidaria rostrata (L. Spengler, 1793) | 10 |
| Lunatia poliana (Della Chiaje, 1826) | 10 |
| Cylichna cylindracea (Pennant, 1777) | 10 |
| Phoronis Wright, 1856 | 10 |
| Echinocyamus pusillus (O.F. Müller, 1776) | 10 |
| Echinocardium flavescens (O.F. Müller, 1776) | 10 |
| Brissopsis lyrifera (Forbes, 1841) | 10 |
