Amphilochoides G.O. Sars, 1892 (additional source)
Bruzelia Boeck, 1871 (additional source)
Caprella tuberculata Guérin-Meneville, 1836 (additional source)
Chone fauveli McIntosh, 1916 (additional source)
Circeis spirillum (Linnaeus, 1758) (additional source)
Cleonardopsis carinata K.H. Barnard, 1916 (additional source)
Dialychone Claparède, 1868 (basis of record)
Dialychone acustica Claparède, 1868 (basis of record)
Diastylis rathkei (Krøyer, 1841) (additional source)
Dichelopandalus bonnieri Caullery, 1896 (additional source)
Dikerogammarus Stebbing, 1899 (basis of record)
Diphyes subtilis Chun, 1886 accepted as Lensia subtilis (Chun, 1886) (basis of record)
Elpidia Théel, 1876 (additional source)
Elpidia glacialis Théel, 1876 (additional source)
Elpidiidae Théel, 1882 (additional source)
Eusirus leptocarpus G.O. Sars, 1893 (additional source)
Grubea limbata Claparède, 1868 accepted as Salvatoria limbata (Claparède, 1868) (basis of record)
Halacarus ctenopus Gosse, 1855 (additional source)
Haplobranchus Bourne, 1883 accepted as Manayunkia Leidy, 1859 (basis of record)
Haploops setosa Boeck, 1871 (additional source)
Hippomedon propinqvus G.O. Sars, 1890 (additional source)
Ianiropsis G. O. Sars, 1897 (additional source)
Irpa Danielssen & Koren, 1878 (additional source)
Irpa abyssicola Danielssen & Koren, 1879 (additional source)
Kolga Danielssen & Koren, 1879 (additional source)
Kolga hyalina Danielssen & Koren, 1879 (additional source)
Leptophoxus G.O. Sars, 1891 (additional source)
Lumbricillus knoellneri Nielsen & Christensen, 1959 (additional source)
Melinna palmata Grube, 1870 (additional source)
Melphidippa macrura G.O. Sars, 1894 (additional source)
Munnopsidae Lilljeborg, 1864 (additional source)
Neodexiospira pseudocorrugata (Bush, 1905) (additional source)
Neohela S. I. Smith, 1881 (additional source)
Neolepton sykesii (Chaster, 1895) accepted as Arculus sykesii (Chaster, 1895) (basis of record)
Paedophylax veruger Claparède, 1868 accepted as Exogone verugera (Claparède, 1868) (basis of record)
Phyllochaetopterus socialis Claparède, 1869 (additional source)
Pileolaria Claparède, 1868 (additional source)
Pileolaria militaris Claparède, 1870 (additional source)
Plagiorhynchus Lühe, 1911 (basis of record)
Polycirrus caliendrum Claparède, 1868 (additional source)
Polycirrus haematodes (Claparède, 1864) (additional source)
Polydora caeca (Örsted, 1843) accepted as Dipolydora coeca (Örsted, 1843) (basis of record)
Polymorphus Lühe, 1911 (basis of record)
Pseudocyclopidae Giesbrecht, 1892-1893 (additional source)
Pseudocyclops obtusatus Brady & Robertson, 1873 represented as Pseudocyclops obtusatus obtusatus Brady & Robertson, 1873 (additional source)
Sosane sulcata Malmgren, 1866 (additional source)
Spirorbis corrugatus (Montagu, 1803) (source of synonymy)
Syrrhoites pusilla Enequist, 1949 (additional source)
Tomopteris pagenstecheri Quatrefages, 1866 accepted as Tomopteris (Johnstonella) helgolandica (Greeff, 1879) (basis of record)
Trichobranchus glacialis Malmgren, 1866 (additional source)
Trichobranchus roseus (Malm, 1874) (additional source)
Trochostoma Danielssen & Koren, 1879 accepted as Molpadia Cuvier, 1817 (additional source)
Trochostoma thomsonii Danielssen & Koren, 1879 accepted as Molpadia thomsoni (Danielssen & Koren, 1879) accepted as Molpadia borealis Sars M, 1859 (additional source)
Tryphosa horingi (Boeck, 1871) accepted as Tryphosella horingi (Boeck, 1871) (additional source)