Aegidae White, 1850 (basis of record)
Anthura Leach, 1814 (basis of record)
Anthura gracilis (Montagu, 1808) (basis of record)
Anthuridae Leach, 1814 (basis of record)
Arcturidae Dana, 1849 (basis of record)
Astacilla Cordiner, 1793 (basis of record)
Astacilla longicornis (Sowerby, 1806) (basis of record)
Ceratothoa oestroides (Risso, 1827) (basis of record)
Ceratothoa steindachneri Koelbel, 1879 (basis of record)
Cirolanidae Dana, 1852 (basis of record)
Cyathura Norman & Stebbing, 1886 (basis of record)
Cyathura carinata (Krøyer, 1847) (basis of record)
Cymothoa Fabricius, 1793 (basis of record)
Cymothoidae Leach, 1814 (basis of record)
Eurydice Leach, 1816 (basis of record)
Eurydice affinis Hansen, 1905 (basis of record)
Eurydice pulchra Leach, 1816 (basis of record)
Gnathia Leach, 1814 (basis of record)
Gnathia oxyuraea (Lilljeborg, 1855) (basis of record)
Gnathiidae Leach, 1814 (basis of record)
Idotea Fabricius, 1798 (basis of record)
Idotea balthica (Pallas, 1772) (basis of record)
Idotea chelipes (Pallas, 1766) (basis of record)
Idotea emarginata (Fabricius, 1793) (basis of record)
Idotea granulosa Rathke, 1843 (basis of record)
Idotea linearis (Linnaeus, 1767) (basis of record)
Idotea metallica Bosc, 1801 (basis of record)
Idotea neglecta G. O. Sars, 1897 (basis of record)
Idotea pelagica Leach, 1816 (basis of record)
Idoteidae Samouelle, 1819 (basis of record)
Jaera Leach, 1814 (basis of record)
Jaera albifrons Leach, 1814 represented as Jaera (Jaera) albifrons Leach, 1814 (basis of record)
Janira Leach, 1814 (basis of record)
Janira maculosa Leach, 1814 (basis of record)
Lekanesphaera Verhoeff, 1942 (basis of record)
Lekanesphaera hookeri (Leach, 1814) (basis of record)
Lekanesphaera levii (Argano & Ponticelli, 1981) (basis of record)
Lekanesphaera rugicauda (Leach, 1814) (basis of record)
Limnoria Leach, 1814 (basis of record)
Limnoria lignorum (Rathke, 1799) (basis of record)
Limnoriidae White, 1850 (basis of record)
Munna Krøyer, 1839 (basis of record)
Munna minuta Hansen, 1910 (basis of record)
Nerocila Leach, 1818 (basis of record)
Nerocila orbignyi (Guérin, 1832) (basis of record)
Paragnathia Omer-Cooper & Omer-Cooper, 1916 (basis of record)
Paragnathia formica (Hesse, 1864) (basis of record)
Rocinela Leach, 1818 (basis of record)
Rocinela danmoniensis Leach, 1818 (basis of record)
Sphaeromatidae Latreille, 1825 (basis of record)
Synidotea Harger, 1878 (basis of record)
Uromunna Menzies, 1962 (basis of record)
Uromunna petiti (Amar, 1948) (basis of record)

Arctic Ocean for Janira maculosa Leach, 1814 
European waters (ERMS scope) for Anthura gracilis (Montagu, 1808) 
European waters (ERMS scope) for Astacilla longicornis (Sowerby, 1806) 
European waters (ERMS scope) for Ceratothoa oestroides (Risso, 1827) 
European waters (ERMS scope) for Ceratothoa steindachneri Koelbel, 1879 
European waters (ERMS scope) for Cyathura carinata (Krøyer, 1847) 
European waters (ERMS scope) for Eurydice affinis Hansen, 1905 
European waters (ERMS scope) for Eurydice pulchra Leach, 1816 
European waters (ERMS scope) for Gnathia oxyuraea (Lilljeborg, 1855) 
European waters (ERMS scope) for Idotea balthica (Pallas, 1772) 
European waters (ERMS scope) for Idotea chelipes (Pallas, 1766) 
European waters (ERMS scope) for Idotea emarginata (Fabricius, 1793) 
European waters (ERMS scope) for Idotea granulosa Rathke, 1843 
European waters (ERMS scope) for Idotea linearis (Linnaeus, 1767) 
European waters (ERMS scope) for Idotea metallica Bosc, 1801 
European waters (ERMS scope) for Idotea neglecta G. O. Sars, 1897 
European waters (ERMS scope) for Idotea pelagica Leach, 1816 
European waters (ERMS scope) for Janira maculosa Leach, 1814 
European waters (ERMS scope) for Lekanesphaera hookeri (Leach, 1814) 
European waters (ERMS scope) for Lekanesphaera levii (Argano & Ponticelli, 1981) 
European waters (ERMS scope) for Lekanesphaera rugicauda (Leach, 1814) 
European waters (ERMS scope) for Limnoria lignorum (Rathke, 1799) 
European waters (ERMS scope) for Munna minuta Hansen, 1910 
European waters (ERMS scope) for Nerocila orbignyi (Guérin, 1832) 
European waters (ERMS scope) for Paragnathia formica (Hesse, 1864) 
European waters (ERMS scope) for Rocinela danmoniensis Leach, 1818 
European waters (ERMS scope) for Uromunna petiti (Amar, 1948) 
Mediterranean Sea for Anthura gracilis (Montagu, 1808) 
Mediterranean Sea for Ceratothoa oestroides (Risso, 1827) 
Mediterranean Sea for Idotea chelipes (Pallas, 1766) 
Mediterranean Sea for Idotea linearis (Linnaeus, 1767) 
Mediterranean Sea for Nerocila orbignyi (Guérin, 1832) 
Mediterranean Sea for Uromunna petiti (Amar, 1948)