| Taxon | Density |
| Myriochele Malmgren, 1867 | 1584.9 |
| Owenia fusiformis Delle Chiaje, 1844 | 338.8 |
| Chaetozone setosa Malmgren, 1867 | 338.8 |
| Paradoneis lyra (Southern, 1914) | 309 |
| Paramphinome jeffreysii (McIntosh, 1868) | 257 |
| Exogone (Exogone) verugera (Claparède, 1868) | 218.8 |
| Spiophanes kroyeri Grube, 1860 | 169.8 |
| Diplocirrus glaucus (Malmgren, 1867) | 169.8 |
| Harpinia antennaria Meinert, 1890 | 169.8 |
| Pholoe Johnston, 1839 | 158.5 |
| Minuspio cirrifera (Wirén, 1883) | 141.3 |
| Prionospio steenstrupi Malmgren, 1867 | 100 |
| Spiophanes bombyx (Claparède, 1870) | 100 |
| Abra nitida (O. F. Müller, 1776) | 100 |
| Eudorella truncatula (Bate, 1856) | 89.1 |
| Urothoe elegans Spence Bate, 1857 | 89.1 |
| Scoloplos armiger (Müller, 1776) | 79.4 |
| Aricidea catherinae Laubier, 1967 | 60.3 |
| Amphictene auricoma (O.F. Müller, 1776) | 60.3 |
| Sabellidae Latreille, 1825 | 60.3 |
| Goniada maculata Örsted, 1843 | 60.3 |
| Perioculodes longimanus (Spence Bate & Westwood, 1868) | 50.1 |
| Caudofoveata | 50.1 |
| Arcturella dilatata (G. O. Sars, 1883) | 39.8 |
| Ophelina cylindricaudata (Hansen, 1879) | 39.8 |
| Peresiella clymenoides Harmelin, 1968 | 39.8 |
| Aricidea cerrutii Laubier, 1966 | 30.2 |
| Levinsenia gracilis (Tauber, 1879) | 30.2 |
| Philine scabra (O. F. Müller, 1784) | 30.2 |
| Phoronis Wright, 1856 | 30.2 |
| Amphiura filiformis (O.F. Müller, 1776) | 30.2 |
| Echinocyamus pusillus (O.F. Müller, 1776) | 30.2 |
| Nemertea | 30.2 |
| Paradulichia Boeck, 1871 | 30.2 |
| Myrtea spinifera (Montagu, 1803) | 20 |
| Ophiuroidea | 20 |
| Ampelisca tenuicornis Liljeborg, 1856 | 20 |
| Astacilla longicornis (Sowerby, 1806) | 20 |
| Diastylis lucifera (Krøyer, 1837) | 20 |
| Westwoodilla caecula (Spence Bate, 1857) | 20 |
| Leucothoe incisa Robertson, 1892 | 20 |
| Anthozoa | 20 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 20 |
| Praxillella affinis (M. Sars in G.O. Sars, 1872) | 20 |
| Prionospio malmgreni Claparède, 1868 | 20 |
| Rhodine gracilior Tauber, 1879 | 20 |
| Anobothrus gracilis (Malmgren, 1866) | 20 |
| Terebellides stroemii Sars, 1835 | 10 |
| Eteone longa (Fabricius, 1780) | 10 |
| Eumida sanguinea (Örsted, 1843) | 10 |
| Glycera lapidum Quatrefages, 1866 | 10 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 10 |
| Eurydice pulchra Leach, 1816 | 10 |
| Sthenelais limicola (Ehlers, 1864) | 10 |
| Lumbrineris tetraura (Schmarda, 1861) | 10 |
| Orbinia sertulata (Savigny, 1822) | 10 |
| Diastyloides biplicatus (Sars G.O., 1865) | 10 |
| Iphinoe serrata Norman, 1867 | 10 |
| Antalis entalis (Linnaeus, 1758) | 10 |
| Thyasira ferruginea (Locard, 1886) | 10 |
| Sipuncula | 10 |
| Enteropneusta | 10 |
| Ascidiacea | 10 |
