Aglaophenia Lamouroux, 1812 (additional source)
Aora Krøyer, 1845 (additional source)
Brachyscelidae Stephensen, 1923 (additional source)
Brettia Dyster, 1858 (basis of record)
Cellaria Ellis & Solander, 1786 (additional source)
Chalinidae Bowerbank, 1862 (additional source)
Eudendrium ramosum Van Beneden, 1844 accepted as Bougainvillia muscus (Allman, 1863) (basis of record)
Euscenium tricolpium Haeckel, 1887 accepted as Cladoscenium tricolpium (Haeckel) Joergensen, 1900 (source of synonymy)
Gyptis capensis (Day, 1963) accepted as Podarkeopsis capensis (Day, 1963) (basis of record)
Halecium Oken, 1815 (additional source)
Hydrallmania Hincks, 1868 (additional source)
Limulidae Leach, 1819 (basis of record)
Merostomata (basis of record)
Nemertesia antennina (Linnaeus, 1758) (additional source)
Nemertesia ramosa (Lamarck, 1816) (additional source)
Obelia bidentata Clark, 1875 (additional source)
Pandea Lesson, 1843 (additional source)
Parundella Jörgensen, 1924 emended Kofoid & Campbell, 1926 (basis of record)
Plagioselmis Butcher ex G.Novarino, I.A.N.Lucas & S.Morrall, 1994 (additional source)
Plumularia Lamarck, 1816 (additional source)
Podocoryna M. Sars, 1846 (additional source)
Selaginopsis Allman, 1876 accepted as Thuiaria Fleming, 1828 (additional source)
Sertularella Gray, 1848 (additional source)
Sertularella gayi (Lamouroux, 1821) (additional source)
Syllis amica Quatrefages, 1866 (additional source)
Symplectoscyphus Marktanner-Turneretscher, 1890 (additional source)
Thuiaria Fleming, 1828 (additional source)
Tridentata Stechow, 1920 (basis of record)
Xanthocalanus Giesbrecht, 1893 (additional source)
Xiphosurida (basis of record)
Zanclea costata Gegenbaur, 1857 (additional source)

English squirrel's tail for Sertularia argentea Linnaeus, 1758