Acanthonotozomatidae Stebbing, 1906 (additional source)
Acidostoma Lilljeborg, 1865 (additional source)
Acidostoma nodiferum Stephensen, 1923 accepted as Acidostoma obesum (Spence Bate & Westwood, 1861) (additional source)
Aeginina Norman, 1905 (additional source)
Allomelita Stock, 1984 (additional source)
Amathillopsidae Pirlot, 1934 (additional source)
Ampelisca laevigata Liljeborg, 1856 accepted as Ampelisca brevicornis (A. Costa, 1853) (additional source)
Ampelisca odontoplax G. O. Sars, 1879 (additional source)
Ampeliscidae Krøyer, 1842 (additional source)
Amphilochidae Boeck, 1871 (additional source)
Amphilochus Spence Bate, 1863 (additional source)
Amphithopsis Boeck, 1861 (additional source)
Amphithopsis longicaudata Boeck, 1861 (additional source)
Ampithoidae Boeck, 1871 (additional source)
Andaniopsis G.O. Sars, 1891 (additional source)
Andaniopsis nordlandica (Boeck, 1871) (additional source)
Anisogammaridae Bousfield, 1977 (additional source)
Aoridae Stebbing, 1899 (additional source)
Apherusa Walker, 1891 (additional source)
Argissa Boeck, 1871 (additional source)
Argissidae Walker, 1904 (additional source)
Astyra Boeck, 1871 (additional source)
Astyra abyssi Boeck, 1871 (additional source)
Astyridae Pirlot, 1934 accepted as Astyrinae Pirlot, 1934 (additional source)
Atylus nordlandicus Boeck, 1871 accepted as Nototropis nordlandicus (Boeck, 1871) (additional source)
Bathymedon longimanus (Boeck, 1871) (additional source)
Bathymedon obtusifrons (Hansen, 1883) (additional source)
Bathymedon saussurei (Boeck, 1871) (additional source)
Biancolinidae J.L. Barnard, 1972 accepted as Ampithoidae Boeck, 1871 (additional source)
Bogidiellidae Hertzog, 1936 (additional source)
Bruzelia typica Boeck, 1871 (additional source)
Byblis crassicornis Metzger, 1875 (additional source)
Byblis guernei Chevreux, 1887 (additional source)
Caeconyx Barnard & Karaman, 1991 (additional source)
Callisoma A. Costa in Hope, 1851 accepted as Scopelocheirus Spence Bate, 1857 (additional source)
Caprella Lamarck, 1801 (additional source)
Caprella ciliata G.O. Sars, 1883 (additional source)
Caprella equilibra Say, 1818 (additional source)
Caprella erethizon Mayer, 1901 (additional source)
Caprella penantis Leach, 1814 (additional source)
Caprella septentrionalis Krøyer, 1838 (additional source)
Caprellidae Leach, 1814 (additional source)
Carangoliopsidae Bousfield, 1977 (additional source)
Ceradocus A. Costa, 1853 (additional source)
Chelura Philippi, 1839 (additional source)
Cheluridae Allman, 1847 (additional source)
Colomastix Grube, 1861 (additional source)
Corophiidae Leach, 1814 (additional source)
Cressa abyssicola G.O. Sars, 1879 (additional source)
Cressa dubia (Spence Bate, 1857) (additional source)
Cystisomatidae Willemöes-Suhm, 1875 (additional source)
Dairellidae Bovallius, 1887 (additional source)
Dexamine Leach, 1814 (additional source)
Dexaminidae Leach, 1814 (additional source)
Dulichia monacantha Metzger, 1875 accepted as Dyopedos monacantha (Metzger, 1875) accepted as Dyopedos monacanthus (Metzger, 1875) (additional source)
Dyopedos Spence Bate, 1857 (additional source)
Epimeria A. Costa in Hope, 1851 (additional source)
Epimeria cornigera (Fabricius, 1779) accepted as Epimeria (Epimeria) cornigera (Fabricius, 1779) (additional source)
Epimeria parasitica (M. Sars, 1858) accepted as Epimeria (Epimeria) parasitica (M. Sars, 1858) (additional source)
Epimeriidae Boeck, 1871 (additional source)
Eriopisa Stebbing, 1890 (additional source)
Eusiridae Stebbing, 1888 (additional source)
Eusirus propinquus G.O. Sars, 1893 accepted as Eusirus propinqvus G.O. Sars, 1893 (additional source)
Gammarella Spence Bate, 1857 (additional source)
Gammarellus Herbst, 1793 (additional source)
Gammaridae Latreille, 1802 (additional source)
Gammaropsis erythropthalmus Liljeborg, 1855 accepted as Gammaropsis maculata (Johnston, 1828) (additional source)
Gammarus obtusatus Dahl, 1938 accepted as Echinogammarus obtusatus (Dahl, 1938) accepted as Marinogammarus obtusatus (Dahl, 1938) (additional source)
Gitanopsis G.O. Sars, 1892 (additional source)
Halice abyssi Boeck, 1871 (additional source)
Halicoides Walker, 1896 (additional source)
Halicoides anomalus Walker, 1896 (additional source)
Halicreion aequicornis (Norman, 1869) (additional source)
Halicreion longicaudatus Boeck, 1871 accepted as Halicreion aequicornis (Norman, 1869) (additional source)
Halimedon Boeck, 1871 accepted as Westwoodilla Spence Bate & Westwood, 1862 (additional source)
Harpinia plumosa (Krøyer, 1842) (additional source)
Harpinia propinqua G.O. Sars, 1891 accepted as Harpinia propinqva G.O.Sars, 1891 (additional source)
Haustoriidae Stebbing, 1906 (additional source)
Hyale Rathke, 1836 (additional source)
Hyalidae Bulyčeva, 1957 (additional source)
Hyperia Latreille, 1823 (additional source)
Hyperiidae Dana, 1852 (additional source)
Hyperiopsidae Bovallius, 1886 (additional source)
Ingolfiellidae Hansen, 1903 (additional source)
Ingolfiellidea (additional source)
Iphimedia minuta G.O. Sars, 1883 (additional source)
Iphimediidae Boeck, 1871 (additional source)
Isaea H. Milne Edwards, 1830 (additional source)
Isaeidae Dana, 1852 (additional source)
Ischyrocerus megacheir (Boeck, 1871) (additional source)
Jassa Leach, 1814 (additional source)
Lafystiidae Sars, 1893 (additional source)
Lanceolidae Bovallius, 1887 (additional source)
Lembos websteri Spence Bate, 1857 (additional source)
Lepechinella manco Barnard, 1973 (additional source)
Lepidepecreum subclypeatum Ruffo & Schiecke, 1977 (additional source)
Leptocheirus Zaddach, 1844 (additional source)
Leptocheirus pilosus Zaddach, 1844 (additional source)
Leptophoxus falcatus (G.O. Sars, 1883) (additional source)
Leucothoe imparicornis Norman, 1889 accepted as Leucothoe lilljeborgi Boeck, 1861 (additional source)

 Authority

 for Siboglinum inerme Southward & Southward, 1958

Siboglinum inerme Southward and Southward, 1958 [details]

 Classification

 for Calocalanus Giesbrecht, 1888

Genus in Paracalanidae The creation of the family Calocalanidae from the genus Calocalanus, originaly placed in ... [details]

 Classification

 for Ischnocalanus Bernard, 1963

Genus in Paracalanidae The creation of the family Calocalanidae from the genus Calocalanus, originaly placed in ... [details]

 Classification

 for Metridia Boeck, 1865

Genus in Metridinidae [details]

 Classification

 for Pleuromamma Giesbrecht in Giesbrecht & Schmeil, 1898

Genus in Metridinidae [details]

 Distribution

 for Symbion pandora Funch & Kristensen, 1995

It appears likely its distribution is related to that of its host. [details]

 Ecology

 for Symbion pandora Funch & Kristensen, 1995

They live on the mouthparts of the Dublin Bay prawn or Norway lobster Nephrops norvegicus. [details]