Abyssoninoe Orensanz, 1990 (additional source)
Aglaophenia Lamouroux, 1812 (additional source)
Arachnida (basis of record)
Chalinidae Gray, 1867 (additional source)
Eudendrium ramosum Van Beneden, 1844 accepted as Bougainvillia muscus (Allman, 1863) (basis of record)
Gellius angulatus (Bowerbank, 1866) accepted as Haliclona (Gellius) angulata (Bowerbank, 1866) (source of synonymy)
Halecium Oken, 1815 (additional source)
Hydrallmania Hincks, 1868 (additional source)
Hypodontolaimus buetschlii Filipjev, 1918 accepted as Hypodontolaimus balticus (G. Schneider, 1906) Filipjev, 1918 (source of synonymy)
Ilyarachna hirticeps G. O. Sars, 1870 (additional source)
Nemertesia antennina (Linnaeus, 1758) (additional source)
Nymphon elegans Hansen, 1887 (additional source)
Nymphon grossipes (Fabricius, 1780) (additional source)
Nymphon hirtipes Bell, 1855 (additional source)
Nymphon leptocheles Sars, 1888 (additional source)
Nymphon longimanum Sars, 1888 (additional source)
Nymphon longitarse Krøyer, 1844 (additional source)
Nymphon macronyx Sars, 1877 (additional source)
Nymphon macrum Wilson, 1880 (basis of record)
Nymphon megalops Sars, 1877 (additional source)
Nymphon microrhynchum G.O. Sars, 1888 (additional source)
Nymphon mixtum Krøyer, 1844 accepted as Nymphon grossipes (Fabricius, 1780) (basis of record)
Nymphon serratum G. O. Sars, 1879 (additional source)
Nymphon sluiteri Hoek, 1901 (additional source)
Nymphon stroemi Krøyer, 1844 (additional source)
Nymphon tenellum (Sars, 1888) (additional source)
Nymphonidae Wilson, 1878 (basis of record)
Obelia flabellata (Hincks, 1866) accepted as Obelia longissima (Pallas, 1766) (basis of record)
Obelia flabellata (Hincks, 1866) accepted as Obelia longissima (Pallas, 1766) (source of synonymy)
Opercularella lacerata (Johnston, 1847) (additional source)
Phylactella labiata Kluge, 1962 accepted as Escharella labiata (Boeck in Smitt, 1868) (source of synonymy)
Sertularella Gray, 1848 (additional source)
Symplectoscyphus Marktanner-Turneretscher, 1890 (additional source)
Tamarisca Kudelin, 1914 (additional source)
Thuiaria Fleming, 1828 (additional source)
Thuiaria thuja (Linnaeus, 1758) (additional source)
Xanthocalanus Giesbrecht, 1893 (additional source)

English squirrel's tail for Sertularia argentea Linnaeus, 1758