Aega Leach, 1816 (additional source)
Aega psora (Linnaeus, 1758) (additional source)
Aegidae White, 1850 (additional source)
Aegiochus Bovallius, 1885 (basis of record)
Aegiochus ventrosa (M. Sars, 1859) (additional source)
Asellota (basis of record)
Balbidocolon Hessler, 1970 (additional source)
Balbidocolon polare Malyutina & Kussakin, 1996 (additional source)
Caecijaera Menzies, 1951 (additional source)
Caecijaera borealis Kussakin, 1962 (additional source)
Caecognathia Dollfus, 1901 (additional source)
Caecognathia bicolor (Hansen, 1916) (additional source)
Caecognathia elongata (Krøyer, 1847) (additional source)
Caecognathia robusta (G. O. Sars, 1879) (additional source)
Caecognathia stygia (G. O. Sars, 1877) (additional source)
Calathura Norman & Stebbing, 1886 (additional source)
Calathura brachiata (Stimpson, 1853) (additional source)
Chaetiliidae Dana, 1849 (additional source)
Chelator Hessler, 1970 (additional source)
Chelator stellae Malyutina & Kussakin, 1996 (additional source)
Chelibranchus Mezhov, 1986 (basis of record)
Chelibranchus fletcheri (Paul & George, 1975) accepted as Nymphodora fletcheri (Paul & George, 1975) (basis of record)
Cirolana microphthalma Hoek, 1882 accepted as Politolana microphthalma (Hoek, 1882) (basis of record)
Cirolanidae Dana, 1852 (additional source)
Cryodesma Svavarsson, 1988 (additional source)
Cryodesma cryoabyssale Malyutina & Kussakin, 1996 (additional source)
Dajidae G. O. Sars, 1883 (basis of record)
Dajus Krøyer, [1842] (basis of record)
Dajus mysidis Krøyer, 1842 (additional source)
Desmosoma G. O. Sars, 1864 (additional source)
Desmosoma lineare G. O. Sars, 1864 (additional source)
Desmosomatidae G. O. Sars, 1897 (basis of record)
Disconectes Wilson & Hessler, 1981 (additional source)
Disconectes coxalis Kussakin, 1983 (additional source)
Echinozone G. O. Sars, 1897 (additional source)
Echinozone arctica Hansen, 1916 (additional source)
Epicaridea (basis of record)
Eugerda Meinert, 1890 (additional source)
Eugerda arctica Svavarsson, 1988 (additional source)
Eugerda dubia Malyutina & Kussakin, 1996 (additional source)
Eugerda gurjanovae Malyutina & Kussakin, 1996 (additional source)
Eugerda mandibulata Malyutina & Kussakin, 1996 (additional source)
Eugerda reticulata Gurjanova, 1946 (additional source)
Eugerda tenuimana (G. O. Sars, 1866) (additional source)
Eugerdella Kussakin, 1965 (additional source)
Eugerdella armata (G. O. Sars, 1864) (additional source)
Eugerdella hessleri Just, 1980 (additional source)
Eurycope G. O. Sars, 1864 (additional source)
Eurycope cornuta G. O. Sars, 1864 (additional source)
Eurycope cryoabyssalis Just, 1980 (additional source)
Eurycope hanseni Ohlin, 1901 (additional source)
Eurycope inermis Hansen, 1916 (additional source)
Eurycope producta G. O. Sars, 1866 (additional source)
Eurycope ratmanovi Gurjanova, 1946 (additional source)
Eurycope septentrionalis Malyutina & Kussakin, 1996 (additional source)
Eurycope vasinae Malyutina & Kussakin, 1996 (additional source)
Gnathia Leach, 1814 (additional source)
Gnathia albescens Hansen, 1916 (additional source)
Gnathia arctica Gurjanowa, 1929 accepted as Caecognathia arctica (Gurjanowa, 1929) (additional source)
Gnathia maxillaris (Montagu, 1804) (additional source)
Gnathiidae Leach, 1814 (additional source)
Gracilimesus angustus (Hansen, 1916) (additional source)
Gracilimesus gorbunovi (Gurjanova, 1946) (additional source)
Gracilimesus insignis (Hansen, 1916) (basis of record)
Gracilimesus modestus (Hansen, 1916) (additional source)
Gracilimesus tenuispinis (Hansen, 1916) (additional source)
Haplomesus Richardson, 1908 (additional source)
Haplomesus insignis Hansen, 1916 accepted as Gracilimesus insignis (Hansen, 1916) (basis of record)
Haplomesus quadrispinosus (G. O. Sars, 1879) (additional source)
Haploniscidae Hansen, 1916 (basis of record)
Haploniscus Richardson, 1908 (additional source)
Haploniscus bicuspis (G. O. Sars, 1877) (additional source)
Heteromesus Richardson, 1908 (additional source)
Heteromesus frigidus Hansen, 1916 (additional source)
Idotea Fabricius, 1798 (additional source)
Idotea balthica (Pallas, 1772) (additional source)
Idotea emarginata (Fabricius, 1793) (additional source)
Idotea granulosa Rathke, 1843 (additional source)
Idotea pelagica Leach, 1816 (additional source)
Idoteidae Samouelle, 1819 (additional source)
Ilyarachna G. O. Sars, 1869 (additional source)
Ilyarachna bergendahli Ohlin, 1901 (additional source)
Ilyarachna frami Just, 1980 (additional source)
Ilyarachna hirticeps G. O. Sars, 1870 (additional source)
Ilyarachna longicornis (G. O. Sars, 1864) (additional source)
Ischnomesidae Hansen, 1916 (basis of record)
Ischnomesus Richardson, 1908 (additional source)
Ischnomesus norvegicus Svavarsson, 1984 (additional source)
Ischnomesus profundus Hansen, 1916 (additional source)
Jaera Leach, 1814 (additional source)
Jaera (Jaera) Leach, 1814 (basis of record)
Jaera (Jaera) albifrons Leach, 1814 (basis of record)
Jaera (Jaera) ischiosetosa Forsman, 1949 (basis of record)
Janira Leach, 1814 (additional source)
Janira maculosa Leach, 1814 (additional source)
Janiralata Menzies, 1951 (additional source)
Janiralata tricornis (Krøyer, 1847) (additional source)
Janiridae G. O. Sars, 1897 (additional source)
Janiroidea G. O. Sars, 1897 (basis of record)
Katianira Hansen, 1916 (additional source)