Traits attributes list
- Agrypnetes crassicornis McLachlan, 1876: HELCOM Red List
- Amphipholis squamata (Delle Chiaje, 1828): HELCOM Red List
- Botrytella reinboldii (Reinke) Kornmann & Sahling, 1988: HELCOM Red List
- Cryptonatica affinis (Gmelin, 1791): HELCOM Red List
- Delamarea attenuata (Kjellman) Rosenvinge, 1893: HELCOM Red List
- Ekmania barthii (Troschel, 1846): HELCOM Red List
- Epitonium clathratulum (Kanmacher, 1798): HELCOM Red List
- Epitonium turtonis (W. Turton, 1819): HELCOM Red List
- Eurydice pulchra Leach, 1816: HELCOM Red List
- Gammarellus angulosus (Rathke, 1843): HELCOM Red List
- Gammarus inaequicauda Stock, 1966: HELCOM Red List
- Geryon trispinosus (Herbst, 1803): HELCOM Red List
- Helminthora divaricata (C.Agardh) J.Agardh, 1852: HELCOM Red List
- Inachus phalangium (Fabricius, 1775): HELCOM Red List
- Lebetus guilleti (Le Danois, 1913): HELCOM Red List
- Lebetus scorpioides (Collett, 1874): HELCOM Red List
- Lekanesphaera rugicauda (Leach, 1814): HELCOM Red List
- Lesueurigobius friesii (Malm, 1874): HELCOM Red List
- Limnoria lignorum (Rathke, 1799): HELCOM Red List
- Lycodes gracilis Sars, 1867: HELCOM Red List
- Macroplea pubipennis (Reuter, 1875): HELCOM Red List
- Myosotella myosotis (Draparnaud, 1801): HELCOM Red List
- Myriocladia lovenii J.Agardh, 1841: HELCOM Red List
- Orchestia gammarellus (Pallas, 1766): HELCOM Red List
- Pleurogonium rubicundum (G. O. Sars, 1864): HELCOM Red List
- Pomatoschistus norvegicus (Collett, 1902): HELCOM Red List
- Pomatoschistus pictus (Malm, 1865): HELCOM Red List
- Roxania utriculus (Brocchi, 1814): HELCOM Red List
- Skeneopsis planorbis (O. Fabricius, 1780): HELCOM Red List
- Talitrus saltator (Montagu, 1808): HELCOM Red List
- Thia scutellata (Fabricius, 1793): HELCOM Red List
- Upogebia stellata (Montagu, 1808): HELCOM Red List
- Vitreolina philippi (de Rayneval & Ponzi, 1854): HELCOM Red List
- Zeugopterus punctatus (Bloch, 1787): HELCOM Red List
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