| Taxon | Density |
| Myriochele Malmgren, 1867 | 575.4 |
| Ampelisca tenuicornis Liljeborg, 1856 | 218.8 |
| Caulleriella Chamberlin, 1919 | 190.5 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 169.8 |
| Urothoe elegans Spence Bate, 1857 | 158.5 |
| Diastylis laevis Norman, 1869 | 109.6 |
| Pholoe Johnston, 1839 | 100 |
| Owenia fusiformis Delle Chiaje, 1844 | 100 |
| Paradulichia Boeck, 1871 | 100 |
| Kelliella miliaris (R. A. Philippi, 1844) | 89.1 |
| Eudorellopsis deformis (Krøyer, 1846) | 79.4 |
| Diplocirrus glaucus (Malmgren, 1867) | 70.8 |
| Spiophanes bombyx (Claparède, 1870) | 70.8 |
| Pseudopolydora pulchra (Carazzi, 1893) | 60.3 |
| Eudorella emarginata (Krøyer, 1846) | 60.3 |
| Nucula nitidosa Winckworth, 1930 | 60.3 |
| Harpinia antennaria Meinert, 1890 | 50.1 |
| Amphiura filiformis (O.F. Müller, 1776) | 50.1 |
| Echinocardium cordatum (Pennant, 1777) | 50.1 |
| Ascidiacea | 50.1 |
| Nemertea | 50.1 |
| Prionospio steenstrupi Malmgren, 1867 | 50.1 |
| Anthozoa | 50.1 |
| Aricidea cerrutii Laubier, 1966 | 50.1 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 39.8 |
| Tharyx Webster & Benedict, 1887 | 39.8 |
| Abra nitida (O. F. Müller, 1776) | 39.8 |
| Ampelisca diadema (A. Costa, 1853) | 30.2 |
| Thyasira Lamarck, 1818 | 30.2 |
| Aricidea catherinae Laubier, 1967 | 30.2 |
| Poecilochaetus serpens Allen, 1904 | 30.2 |
| Spio filicornis (Müller, 1776) | 30.2 |
| Phtisica marina Slabber, 1769 | 30.2 |
| Goniada maculata Örsted, 1843 | 30.2 |
| Exogone (Parexogone) hebes (Webster & Benedict, 1884) | 20 |
| Trichobranchus glacialis Malmgren, 1866 | 20 |
| Pseudocuma longicornis (Bate) | 20 |
| Apistobranchus tullbergi (Théel, 1879) | 20 |
| Magelona F. Müller, 1858 | 20 |
| Anobothrus gracilis (Malmgren, 1866) | 10 |
| Spiophanes kroyeri Grube, 1860 | 10 |
| Leucothoe lilljeborgi Boeck, 1861 | 10 |
| Bathyporeia elegans Watkin, 1938 | 10 |
| Photis longicaudata (Spence Bate & Westwood, 1862) | 10 |
| Antalis entalis (Linnaeus, 1758) | 10 |
| Polycirrus Grube, 1850 | 10 |
| Gattyana cirrhosa (Pallas, 1766) | 10 |
| Phaxas pellucidus (Pennant, 1777) | 10 |
| Gari fervensis (Gmelin, 1791) | 10 |
| Holothuroidea | 10 |
| Philine scabra (O. F. Müller, 1784) | 10 |
