| Taxon | Density |
| Capitellidae Grube, 1862 | 269.2 |
| Sabellidae Latreille, 1825 | 269.2 |
| Spiophanes kroyeri Grube, 1860 | 218.8 |
| Levinsenia gracilis (Tauber, 1879) | 190.5 |
| Thyasira Lamarck, 1818 | 158.5 |
| Aricidea catherinae Laubier, 1967 | 89.1 |
| Harpinia antennaria Meinert, 1890 | 79.4 |
| Eriopisa elongata (Bruzelius, 1859) | 79.4 |
| Minuspio cirrifera (Wirén, 1883) | 50.1 |
| Anobothrus gracilis (Malmgren, 1866) | 39.8 |
| Streblosoma intestinalis [auct. misspelling] | 39.8 |
| Astarte sulcata (da Costa, 1778) | 30.2 |
| Abra alba (W. Wood, 1802) | 30.2 |
| Arctica islandica (Linnaeus, 1767) | 30.2 |
| Eudorella emarginata (Krøyer, 1846) | 30.2 |
| Eudorella truncatula (Bate, 1856) | 30.2 |
| Protomedeia Krøyer, 1842 | 20 |
| Ampharete acutifrons (Grube, 1860) | 20 |
| Paradoneis lyra (Southern, 1914) | 20 |
| Lumbrineris latreilli Audouin & Milne Edwards, 1833 | 20 |
| Paramphinome jeffreysii (McIntosh, 1868) | 20 |
| Notomastus latericeus Sars, 1851 | 20 |
| Myriochele Malmgren, 1867 | 10 |
| Owenia fusiformis Delle Chiaje, 1844 | 10 |
| Amphicteis gunneri (M. Sars, 1835) | 10 |
| Pycnogonidae Wilson, 1878 | 10 |
| Apseudes spinosus (M. Sars, 1858) | 10 |
| Lumbrineris fragilis (O.F. Müller, 1776) | 10 |
| Pseudopolydora Czerniavsky, 1881 | 10 |
| Axiothella Verrill, 1900 | 10 |
| Nemertea | 10 |
| Thyasira ferruginea (Locard, 1886) | 10 |
| Aoridae Stebbing, 1899 | 10 |
| Ampelisca aequicornis Bruzelius, 1859 | 10 |
| Brachydiastylis resima (Krøyer, 1846) | 10 |
| Terebellides stroemii Sars, 1835 | 10 |
