Alciope cari Hering, 1892 accepted as Rhynchonereella petersii (Langerhans, 1880) (basis of record)
Ammotrypane gymnopyge Ehlers, 1908 accepted as Ophelina gymnopyge (Ehlers, 1908) (additional source)
Arenicola assimilis affinis Ashworth, 1903 accepted as Abarenicola affinis (Ashworth, 1903) (additional source)
Aricia marginata Ehlers, 1897 accepted as Leodamas marginatus (Ehlers, 1897) (additional source)
Autolytus longstaffi Ehlers, 1912 (original description)
Autolytus maclearanus McIntosh, 1885 accepted as Epigamia maclearanus (McIntosh, 1885) (additional source)
Enipo rhombigera Ehlers, 1908 accepted as Polyeunoa laevis McIntosh, 1885 (additional source)
Eulalia magalhaensis [auct. misspelling] accepted as Eulalia magalaensis Kinberg, 1866 (additional source)
Eusyllis kerguelensis McIntosh, 1885 accepted as Pionosyllis kerguelensis (McIntosh, 1885) (additional source)
Flabelligera mundata Gravier, 1906 accepted as Flabegraviera mundata (Gravier, 1906) (additional source)
Glycera capitata Örsted, 1842 (additional source)
Gyptis incompta Ehlers, 1913 (taxonomy source)
Harmothoe crosetensis (McIntosh, 1885) (additional source)
Harmothoe spinosa Kinberg, 1856 (additional source)
Harmothoe tuberosa Ehlers, 1912 accepted as Barrukia cristata (Willey, 1902) (original description)
Hermadion magalhaensis [auctt. misspelling] accepted as Hermadion magalhaensi Kinberg, 1856 (basis of record)
Laonome antarctica Kinberg, 1866 accepted as Perkinsiana antarctica (Kinberg, 1866) (additional source)
Magalia inermis Ehlers, 1912 accepted as Syllidia inermis (Ehlers, 1912) (original description)
Maldanella neozealandica [auctt. misspelling] accepted as Maldanella neozealaniae McIntosh, 1885 (basis of record)
Marphysa aenea (Blanchard in Gay, 1849) (additional source)
Maupasia caeca Viguier, 1886 accepted as Maupasia coeca Viguier, 1886 (additional source)
Myxicola sulcata Ehlers, 1912 (original description)
Nereis vallata Grube, 1857 accepted as Perinereis vallata (Grube, 1857) (additional source)
Nerinopsis Ehlers, 1912 (original description)
Nerinopsis hystricosa Ehlers, 1912 (original description)
Nicolea bilobata (Grube, 1877) accepted as Lanicides bilobata (Grube, 1877) (additional source)
Nicolea chilensis (Schmarda, 1861) (additional source)
Oncoscolex dicranochaetus Schmarda, 1861 accepted as Hyboscolex dicranochaetus (Schmarda, 1861) (additional source)
Pelagobia longicirrata Greeff, 1879 (additional source)
Pionosyllis comosa Gravier, 1906 accepted as Pionosyllis kerguelensis (McIntosh, 1885) (additional source)
Pionosyllis stylifera Ehlers, 1913 (taxonomy source)
Podarke comata Ehlers, 1913 accepted as Ophiodromus comatus (Ehlers, 1913) (taxonomy source)
Sabellides elongatus Ehlers, 1913 accepted as Neosabellides elongatus (Ehlers, 1913) (taxonomy source)
Sagitella cornuta Ehlers, 1913 accepted as Travisiopsis lanceolata Southern, 1910 (taxonomy source)
Sagitella lobifera Ehlers, 1912 accepted as Travisiopsis coniceps (Chamberlin, 1919) (original description)
Serpula vermicularis narconensis Baird, 1864 accepted as Serpula narconensis Baird, 1864 (new combination reference)
Serpula vermicularis narconensis Baird, 1864 accepted as Serpula narconensis Baird, 1864 (additional source)
Spirorbis perrieri Caullery & Mesnil, 1897 accepted as Romanchella perrieri (Caullery & Mesnil, 1897) (additional source)
Syllides articulosus Ehlers, 1897 (additional source)
Syllis brachycola Ehlers, 1897 accepted as Syllis valida Grube, 1857 (additional source)
Travisia kerguelensis McIntosh, 1885 (additional source)
Trophonia kerguelarum Grube, 1877 accepted as Lamispina kerguelarum (Grube, 1877) (additional source)
Trypanosyllis gigantea (McIntosh, 1885) accepted as Trypanedenta gigantea (McIntosh, 1885) (additional source)

 Authority

 for Gyptis incompta Ehlers, 1913

Ehlers (1912: 15 and in species list) introduces the name Gyptis incompta prematurely, clearly indicating it was a ... [details]

 Editor's comment

 for Nerinopsis Ehlers, 1912

indeterminable but probably based on a Scolelepis larva. Ehlers described and named Nerinopsis hystricosa in 1912, ... [details]

 New combination

 for Serpula vermicularis narconensis Baird, 1864

Ehlers (1912: 31) downranked Baird's subantarctic species to a variety of Serpula vermicularis from Europe. Benham ... [details]

 Publication date

 for Sabellides elongatus Ehlers, 1913

Hessle (1917) gives Ehlers 1912 and 1913 as dual publication dates, but the 1912 instance is a nomen nudum usage. ... [details]