| Taxon | Density |
| Exogone (Parexogone) hebes (Webster & Benedict, 1884) | 338.8 |
| Glycera lapidum Quatrefages, 1866 | 323.6 |
| Streptosyllis websteri Southern, 1914 | 257 |
| Ophiuroidea | 182 |
| Nephtys caeca (Fabricius, 1780) | 158.5 |
| Aricidea cerrutii Laubier, 1966 | 158.5 |
| Aonides paucibranchiata Southern, 1914 | 109.6 |
| Goniada maculata Örsted, 1843 | 100 |
| Hesionura elongata (Southern, 1914) | 79.4 |
| Spiophanes bombyx (Claparède, 1870) | 60.3 |
| Eulalia mustela Pleijel, 1987 | 50.1 |
| Echinocyamus pusillus (O.F. Müller, 1776) | 39.8 |
| Caulleriella Chamberlin, 1919 | 39.8 |
| Polydora (Polydora) socialis (Schmarda, 1861) | 39.8 |
| Polycirrus Grube, 1850 | 39.8 |
| Exogone (Exogone) naidina Örsted, 1845 | 39.8 |
| Bathyporeia guilliamsoniana (Spence Bate, 1857) | 39.8 |
| Moerella pygmaea (Lovén, 1846) | 39.8 |
| Atylus vedlomensis (Spence Bate & Westwood, 1862) | 30.2 |
| Ophelia borealis Quatrefages, 1866 | 30.2 |
| Chaetozone setosa Malmgren, 1867 | 30.2 |
| Kelliella miliaris (R. A. Philippi, 1844) | 30.2 |
| Sipuncula | 20 |
| Exogone (Exogone) verugera (Claparède, 1868) | 20 |
| Microphthalmus listensis Westheide, 1967 | 20 |
| Opisthodonta pterochaeta Southern, 1914 | 10 |
| Sphaerosyllis bulbosa Southern, 1914 | 10 |
| Bodotria scorpioides (Montagu, 1804) | 10 |
| Pontocrates Boeck, 1871 | 10 |
| Abra prismatica (Montagu, 1808) | 10 |
| Ophiura affinis Lütken, 1858 | 10 |
| Peresiella clymenoides Harmelin, 1968 | 10 |
| Spio filicornis (Müller, 1776) | 10 |
| Owenia fusiformis Delle Chiaje, 1844 | 10 |
| Pisione remota (Southern, 1914) | 10 |
| Eteone longa (Fabricius, 1780) | 10 |
| Pista cristata (Müller, 1776) | 10 |
| Siboglinum Caullery, 1914 | 10 |
| Anaitides groenlandica (Örsted, 1842) | 10 |
| Ascidiacea | 10 |