Anaitis Malmgren, 1865 accepted as Paranaitis Southern, 1914 (source of synonymy)
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)
Mystides (Mesomystides) elongata Southern, 1914 accepted as Hesionura elongata (Southern, 1914) (original description)
Nerinides tridentata Southern, 1914 accepted as Scolelepis tridentata (Southern, 1914) (original description)
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)
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)
Praegeria Southern, 1914 accepted as Pisione Grube, 1857 (original description)
Praegeria remota Southern, 1914 accepted as Pisione remota (Southern, 1914) (original description)
Proclea graffi [auctt.] accepted as Proclea graffii (Langerhans, 1884) (basis of record)
Sphaerodorum minutum (Webster & Benedict, 1887) accepted as Sphaerodoridium minutum (Webster & Benedict, 1887) (new combination reference)
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)