| Taxon | Density |
| Thyasira Lamarck, 1818 | 281.8 |
| Owenia fusiformis Delle Chiaje, 1844 | 208.9 |
| Myriochele Malmgren, 1867 | 151.4 |
| Ophiuroidea | 109.6 |
| Montacuta substriata (Montagu, 1808) | 79.4 |
| Glycera lapidum Quatrefages, 1866 | 79.4 |
| Amphiura filiformis (O.F. Müller, 1776) | 70.8 |
| Streblosoma intestinalis [auct. misspelling] | 60.3 |
| Urothoe elegans Spence Bate, 1857 | 60.3 |
| Harpinia laevis G.O. Sars, 1891 | 50.1 |
| Eudorella truncatula (Bate, 1856) | 39.8 |
| Myrtea spinifera (Montagu, 1803) | 30.2 |
| Glycinde nordmanni (Malmgren, 1866) | 30.2 |
| Exogone (Exogone) verugera (Claparède, 1868) | 30.2 |
| Notomastus latericeus Sars, 1851 | 30.2 |
| Nemertea | 30.2 |
| Thyasira ferruginea (Locard, 1886) | 20 |
| Scalibregma inflatum Rathke, 1843 | 20 |
| Ampharetidae Malmgren, 1866 | 20 |
| Aricidea catherinae Laubier, 1967 | 20 |
| Paradoneis lyra (Southern, 1914) | 20 |
| Minuspio cirrifera (Wirén, 1883) | 20 |
| Spiophanes kroyeri Grube, 1860 | 20 |
| Caulleriella Chamberlin, 1919 | 20 |
| Anaitides mucosa (Örsted, 1843) | 20 |
| Paramphinome jeffreysii (McIntosh, 1868) | 20 |
| Iphinoe serrata Norman, 1867 | 20 |
| Tmetonyx cicada (Fabricius, 1780) | 10 |
| Ampelisca gibba G.O. Sars, 1883 | 10 |
| Caudofoveata | 10 |
| Antalis entalis (Linnaeus, 1758) | 10 |
| Portlandia philippiana (Nyst, 1845) | 10 |
| Sabellidae Latreille, 1825 | 10 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 10 |
| Exogone (Parexogone) hebes (Webster & Benedict, 1884) | 10 |
| Polydora (Polydora) socialis (Schmarda, 1861) | 10 |
| Apistobranchus tullbergi (Théel, 1879) | 10 |
| Aonides paucibranchiata Southern, 1914 | 10 |
| Pista cristata (Müller, 1776) | 10 |
| Amphictene auricoma (O.F. Müller, 1776) | 10 |
| Lagis koreni Malmgren, 1866 | 10 |
| Anthozoa | 10 |
| Pholoe Johnston, 1839 | 10 |
| Molgula Forbes, 1848 | 10 |
| Tridonta elliptica (T. Brown, 1827) | 10 |
| Phaxas pellucidus (Pennant, 1777) | 10 |
| Abra prismatica (Montagu, 1808) | 10 |
| Thracia convexa (W. Wood, 1815) | 10 |
| Thracia phaseolina (Lamarck, 1818) | 10 |
| Sipuncula | 10 |
