Aonides paucibranchiata Southern, 1914 (original description)
Chaetozone zetlandica McIntosh, 1911 (redescription)
Chone filicaudata Southern, 1914 (original description)
Eteone foliosa Quatrefages, 1866 accepted as Hypereteone foliosa (Quatrefages, 1865) (additional source)
Euchone rosea Langerhans, 1884 (additional source)
Marphysa fallax Marion & Bobretzky, 1875 accepted as Paucibranchia fallax (Marion & Bobretzky, 1875) (additional source)
Microphthalmus sczelkowii Mecznikow, 1865 (additional source)
Opisthodonta pterochaeta Southern, 1914 accepted as Streptodonta pterochaeta (Southern, 1914) (original description)
Paranaitis Southern, 1914 (original description)
Paranaitis kosteriensis (Malmgren, 1867) (additional source)
Paranaitis wahlbergi (Malmgren, 1865) (new combination reference)
Pholoe tuberculata Southern, 1914 accepted as Pholoe baltica Örsted, 1843 (original description)
Pionosyllis pulligera (Krohn, 1852) accepted as Nudisyllis pulligera (Krohn, 1852) (basis of record)
Pionosyllis serrata Southern, 1914 accepted as Nudisyllis pulligera (Krohn, 1852) (original description)
Pisionidae Ehlers, 1901 accepted as Pisioninae Ehlers, 1901 (additional source)
Sphaerosyllis bulbosa Southern, 1914 (original description)
Spio martinensis Mesnil, 1896 (additional source)
Sthenelais zetlandica McIntosh, 1876 accepted as Fimbriosthenelais zetlandica (McIntosh, 1876) (additional source)
Streptosyllis bidentata Southern, 1914 (original description)
Streptosyllis websteri Southern, 1914 (original description)