Cylindrotheristus longicaudatus Filipjev, 1922 accepted as Daptonema longicaudatum (Filipjev, 1922) Lorenzen, 1977 (basis of record)
Cylindrotheristus normandicus de Man, 1890 accepted as Daptonema normandicum (de Man, 1890) Lorenzen, 1977 (basis of record)
Neochromadora quinquepapillata Schuurmans Stekhoven, 1935 accepted as Prochromadorella quinquepapillata (Schuurmans Stekhoven, 1935) Wieser, 1954 (basis of record)
Paramicrolaimus conothelis Lorenzen, 1973 accepted as Microlaimus conothelis (Lorenzen, 1973) Jensen, 1978 (basis of record)
Theristus mirabilis (Stekhoven & De Coninck, 1933) accepted as Trichotheristus mirabilis (Schuurmans Stekhoven & De Coninck, 1933) accepted as Daptonema mirabilis (Schuurmans Stekhoven & De Coninck, 1933) Tchesunov, 1990 (basis of record)

Belgian Exclusive Economic Zone for Abra alba (W. Wood, 1802) 
Belgian Exclusive Economic Zone for Aegialoalaimus sabulicola Allgén, 1933 
Belgian Exclusive Economic Zone for Anaitides mucosa (Örsted, 1843) 
Belgian Exclusive Economic Zone for Anticoma Bastian, 1865 
Belgian Exclusive Economic Zone for Autolytus edwardsi Saint Joseph, 1887 
Belgian Exclusive Economic Zone for Autolytus prolifer (O. F. Müller, 1788) 
Belgian Exclusive Economic Zone for Bathyporeia elegans Watkin, 1938 
Belgian Exclusive Economic Zone for Bathyporeia guilliamsoniana (Spence Bate, 1857) 
Belgian Exclusive Economic Zone for Camacolaimus de Man, 1889 
Belgian Exclusive Economic Zone for Camacolaimus longicauda de Man, 1922 
Belgian Exclusive Economic Zone for Capitella capitata (Fabricius, 1780) 
Belgian Exclusive Economic Zone for Capitomastus minimus (Langerhans, 1880) 
Belgian Exclusive Economic Zone for Carcinus maenas (Linnaeus, 1758) 
Belgian Exclusive Economic Zone for Caulleriella alata (Southern, 1914) 
Belgian Exclusive Economic Zone for Cerastoderma edule (Linnaeus, 1758) 
Belgian Exclusive Economic Zone for Chaetozone setosa Malmgren, 1867 
Belgian Exclusive Economic Zone for Chromadorina Filipjev, 1918 
Belgian Exclusive Economic Zone for Corophium Latreille, 1806 
Belgian Exclusive Economic Zone for Corophium volutator (Pallas, 1766) 
Belgian Exclusive Economic Zone for Crangon crangon (Linnaeus, 1758) 
Belgian Exclusive Economic Zone for Cyartonema Cobb, 1920 
Belgian Exclusive Economic Zone for Cylindrotheristus longicaudatus Filipjev, 1922 
Belgian Exclusive Economic Zone for Cylindrotheristus normandicus de Man, 1890 
Belgian Exclusive Economic Zone for Dagda Southern, 1914 
Belgian Exclusive Economic Zone for Dagda bipapillata Southern, 1914 
Belgian Exclusive Economic Zone for Daptonema tenuispiculum (Ditlevsen, 1918) Lorenzen, 1977 
Belgian Exclusive Economic Zone for Diastylis rathkei (Krøyer, 1841) 
Belgian Exclusive Economic Zone for Dichromadora Kreis, 1929 
Belgian Exclusive Economic Zone for Dichromadora hyalocheile De Coninck & Schuurmans Stekhoven, 1933 
Belgian Exclusive Economic Zone for Donax vittatus (da Costa, 1778) 
Belgian Exclusive Economic Zone for Echinocardium cordatum (Pennant, 1777) 
Belgian Exclusive Economic Zone for Enoplolaimus propinquus de Man, 1922 
Belgian Exclusive Economic Zone for Eteone flava (Fabricius, 1780) 
Belgian Exclusive Economic Zone for Eteone longa (Fabricius, 1780) 
Belgian Exclusive Economic Zone for Eumida sanguinea (Örsted, 1843) 
Belgian Exclusive Economic Zone for Eunereis longissima (Johnston, 1840) 
Belgian Exclusive Economic Zone for Gammarus Fabricius, 1775 
Belgian Exclusive Economic Zone for Gastrosaccus spinifer (Goës, 1864) 
Belgian Exclusive Economic Zone for Glycera capitata Örsted, 1842 
Belgian Exclusive Economic Zone for Halalaimus longicaudatus (Filipjev, 1927) Schneider, 1939 
Belgian Exclusive Economic Zone for Harmothoe ljungmani (Malmgren, 1867) 
Belgian Exclusive Economic Zone for Harmothoe lunulata (Delle Chiaje, 1830) 
Belgian Exclusive Economic Zone for Hesionura augeneri (Friedrich, 1937) 
Belgian Exclusive Economic Zone for Heteromastus filiformis (Claparède, 1864) 
Belgian Exclusive Economic Zone for Lagisca extenuata (Grube, 1840) 
Belgian Exclusive Economic Zone for Lanice conchilega (Pallas, 1766) 
Belgian Exclusive Economic Zone for Leptolaimus de Man, 1876 
Belgian Exclusive Economic Zone for Linhomoeus Bastian, 1865 
Belgian Exclusive Economic Zone for Lumbrineris latreilli Audouin & Milne Edwards, 1833 
Belgian Exclusive Economic Zone for Macoma balthica (Linnaeus, 1758) 
Belgian Exclusive Economic Zone for Melita obtusata (Montagu, 1813) 
Belgian Exclusive Economic Zone for Metalinhomoeus de Man, 1907 
Belgian Exclusive Economic Zone for Microlaimus honestus De Man, 1922 
Belgian Exclusive Economic Zone for Microlaimus marinus (Schulz, 1932) Schuurmans Stekhoven & De Coninck, 1933 
Belgian Exclusive Economic Zone for Microphthalmus similis Bobretzky, 1870 
Belgian Exclusive Economic Zone for Microprotopus maculatus Norman, 1867 
Belgian Exclusive Economic Zone for Modiolus modiolus (Linnaeus, 1758) 
Belgian Exclusive Economic Zone for Monhystera Bastian, 1865 
Belgian Exclusive Economic Zone for Monoposthia mirabilis Schulz, 1932 
Belgian Exclusive Economic Zone for Montacuta ferruginosa (Montagu, 1808) 
Belgian Exclusive Economic Zone for Mysella bidentata (Montagu, 1803) 
Belgian Exclusive Economic Zone for Neochromadora poecilosoma (de Man, 1893) Micoletzky, 1924 
Belgian Exclusive Economic Zone for Neochromadora quinquepapillata Schuurmans Stekhoven, 1935 
Belgian Exclusive Economic Zone for Nephtys caeca (Fabricius, 1780) 
Belgian Exclusive Economic Zone for Nephtys cirrosa Ehlers, 1868 
Belgian Exclusive Economic Zone for Nephtys hombergii Savigny in Lamarck, 1818 
Belgian Exclusive Economic Zone for Notomastus latericeus Sars, 1851 
Belgian Exclusive Economic Zone for Nototropis falcatus (Metzger, 1871) 
Belgian Exclusive Economic Zone for Odontophora Bütschli, 1874 
Belgian Exclusive Economic Zone for Odontophora armata (Ditlevsen, 1918) Allgén, 1929 
Belgian Exclusive Economic Zone for Oligochaeta 
Belgian Exclusive Economic Zone for Onyx perfectus Cobb, 1891 
Belgian Exclusive Economic Zone for Ophelia limacina (Rathke, 1843) 
Belgian Exclusive Economic Zone for Ophiura albida Forbes, 1839 
Belgian Exclusive Economic Zone for Ophiura texturata Lamarck, 1816 
Belgian Exclusive Economic Zone for Paralongicyatholaimus macramphis Lorenzen, 1972 
Belgian Exclusive Economic Zone for Paramicrolaimus conothelis Lorenzen, 1973 
Belgian Exclusive Economic Zone for Pariambus typicus (Krøyer, 1845) 
Belgian Exclusive Economic Zone for Petricola pholadiformis Lamarck, 1818 
Belgian Exclusive Economic Zone for Pholoe minuta (Fabricius, 1780) 
Belgian Exclusive Economic Zone for Polydora ciliata (Johnston, 1838) 
Belgian Exclusive Economic Zone for Polydora ligni Webster, 1879 
Belgian Exclusive Economic Zone for Polydora pulchra Carazzi, 1893 
Belgian Exclusive Economic Zone for Prochromadorella Micoletzky, 1924 
Belgian Exclusive Economic Zone for Protodorvillea kefersteini (McIntosh, 1869) 
Belgian Exclusive Economic Zone for Protodrilus Hatschek, 1881 
Belgian Exclusive Economic Zone for Pseudocuma longicornis (Bate) 
Belgian Exclusive Economic Zone for Pygospio elegans Claparède, 1863 
Belgian Exclusive Economic Zone for Rhadinema flexile Cobb, 1920 
Belgian Exclusive Economic Zone for Richtersia inaequalis Riemann, 1966 
Belgian Exclusive Economic Zone for Saccocirrus papillocercus Bobretzky, 1872 
Belgian Exclusive Economic Zone for Schistomysis kervillei (G.O. Sars, 1885) 
Belgian Exclusive Economic Zone for Scolelepis bonnieri (Mesnil, 1896) 
Belgian Exclusive Economic Zone for Scolelepis foliosa (Audouin & Milne Edwards, 1833) 
Belgian Exclusive Economic Zone for Scoloplos armiger (Müller, 1776) 
Belgian Exclusive Economic Zone for Sphenia binghami W. Turton, 1822 
Belgian Exclusive Economic Zone for Spio filicornis (Müller, 1776) 
Belgian Exclusive Economic Zone for Spiophanes bombyx (Claparède, 1870) 
Belgian Exclusive Economic Zone for Spirinia parasitifera (Bastian, 1865) Gerlach, 1963 
Belgian Exclusive Economic Zone for Spisula elliptica (T. Brown, 1827)