| Taxon | Density |
| Ophiuroidea | 436.5 |
| Minuspio cirrifera (Wirén, 1883) | 199.5 |
| Ampharete Malmgren, 1866 | 158.5 |
| Myriochele Malmgren, 1867 | 151.4 |
| Exogone (Exogone) verugera (Claparède, 1868) | 128.8 |
| Spiophanes kroyeri Grube, 1860 | 120.2 |
| Eudorella truncatula (Bate, 1856) | 109.6 |
| Amphiura filiformis (O.F. Müller, 1776) | 100 |
| Sabellidae Latreille, 1825 | 79.4 |
| Pholoe Johnston, 1839 | 70.8 |
| Aricidea catherinae Laubier, 1967 | 50.1 |
| Anaitides mucosa (Örsted, 1843) | 39.8 |
| Anobothrus gracilis (Malmgren, 1866) | 39.8 |
| Holothuroidea | 39.8 |
| Gnathia oxyuraea (Lilljeborg, 1855) | 39.8 |
| Eclysippe vanelli (Fauvel, 1936) | 30.2 |
| Sipuncula | 30.2 |
| Goniada maculata Örsted, 1843 | 30.2 |
| Nephtys paradoxa Malm, 1874 | 30.2 |
| Paramphinome jeffreysii (McIntosh, 1868) | 30.2 |
| Anthozoa | 30.2 |
| Scolelepis tridentata (Southern, 1914) | 30.2 |
| Caulleriella Chamberlin, 1919 | 30.2 |
| Notomastus latericeus Sars, 1851 | 30.2 |
| Ampharetidae Malmgren, 1866 | 30.2 |
| Apistobranchus tullbergi (Théel, 1879) | 20 |
| Spiophanes bombyx (Claparède, 1870) | 20 |
| Nothria conchylega (Sars, 1835) | 20 |
| Harpinia antennaria Meinert, 1890 | 20 |
| Antalis entalis (Linnaeus, 1758) | 20 |
| Sphaerodorum flavum Örsted, 1843 | 20 |
| Nemertea | 20 |
| Phoronis Wright, 1856 | 20 |
| Phaxas pellucidus (Pennant, 1777) | 20 |
| Echinocardium flavescens (O.F. Müller, 1776) | 20 |
| Molgula Forbes, 1848 | 10 |
| Cylichna cylindracea (Pennant, 1777) | 10 |
| Nucula nitidosa Winckworth, 1930 | 10 |
| Limatula subauriculata (Montagu, 1808) | 10 |
| Eudorellopsis deformis (Krøyer, 1846) | 10 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 10 |
| Goniada norvegica Örsted, 1845 | 10 |
| Sphaerodoridium claparedeii [auct. lapsus] | 10 |
| Trichobranchus glacialis Malmgren, 1866 | 10 |
| Nephtys longosetosa Örsted, 1842 | 10 |
| Scolelepis squamata (Müller, 1806) | 10 |
| Scoloplos armiger (Müller, 1776) | 10 |
| Aricidea minuta Southward, 1956 | 10 |
| Levinsenia gracilis (Tauber, 1879) | 10 |
| Sthenelais limicola (Ehlers, 1864) | 10 |
| Owenia fusiformis Delle Chiaje, 1844 | 10 |
| Amphictene auricoma (O.F. Müller, 1776) | 10 |
