Alciopa cantrainii (Delle Chiaje, 1830) accepted as Naiades cantrainii Delle Chiaje, 1830 (additional source)
Amage sculpta Ehlers, 1908 (additional source)
Amblyosyllis granosa Ehlers, 1897 (additional source)
Ammotrypane breviata Ehlers, 1913 accepted as Ophelina breviata (Ehlers, 1913) (additional source)
Ammotrypane scaphigera Ehlers, 1900 accepted as Ophelina scaphigera (Ehlers, 1900) (additional source)
Ampharete kerguelensis McIntosh, 1885 (additional source)
Amphicteis gunneri antarctica Hessle, 1917 accepted as Amphicteis antarctica Hessle, 1917 (additional source)
Amphicteis philippinarum Grube, 1878 (additional source)
Amphitrite affinis antarctica Monro, 1936 accepted as Neoamphitrite affinis antarctica (Monro, 1936) (original description)
Amphitrite kerguelensis McIntosh, 1876 (additional source)
Antinoe antarctica (Bergström, 1916) accepted as Austrolaenilla antarctica Bergström, 1916 (additional source)
Aphrodite longirostris [lapsus by Monro, 1936 for intended A. longicornis] accepted as Aphrodita longicornis Kinberg, 1856 (basis of record)
Aphrodite talpa Quatrefages, 1866 accepted as Aphrodita talpa Quatrefages, 1866 (additional source)
Asychis amphiglypta [auct. misspelling for amphiglyptus] accepted as Asychis amphiglyptus (Ehlers, 1897) (additional source)
Augeneria tentaculata Monro, 1930 (additional source)
Autolytus charcoti Gravier, 1906 accepted as Epigamia charcoti (Gravier, 1906) (additional source)
Autolytus simplex Ehlers, 1900 (additional source)
Axiothella antarctica Monro, 1930 (additional source)
Callizona angelini (Kinberg, 1866) accepted as Rhynchonereella angelini (Kinberg, 1866) (additional source)
Callizonella bongraini (Gravier, 1911) accepted as Rhynchonereella bongraini (Gravier, 1911) (additional source)
Chaetopterus variopedatus (Renier, 1804) (additional source)
Chloeia inermis Quatrefages, 1866 (additional source)
Chone duneri Malmgren, 1867 (additional source)
Cirratulus antarcticus Monro, 1930 accepted as Timarete antarcticus (Monro, 1930) (additional source)
Cirratulus cirratus (O. F. Müller, 1776) (additional source)
Cirratulus filiformis Keferstein, 1862 accepted as Aphelochaeta filiformis (Keferstein, 1862) (additional source)
Clymene (Isocirrus) yungi (Gravier, 1911) accepted as Isocirrus yungi Gravier, 1911 (additional source)
Diopatra neapolitana Delle Chiaje, 1841 (additional source)
Diopatra punctifera Ehlers, 1908 accepted as Diopatra cuprea punctifera Ehlers, 1908 (additional source)
Drilonereis filum (Claparède, 1868) (additional source)
Ephesia antarctica McIntosh, 1885 accepted as Sphaerodorum antarcticum (McIntosh, 1885) (additional source)
Eteone sculpta Ehlers, 1897 (additional source)
Euchone pallida Ehlers, 1908 (additional source)
Eucranta mollis (McIntosh, 1876) (additional source)
Eucranta villosa notialis Monro, 1936 accepted as Eucranta notialis Monro, 1936 (original description)
Eulagisca corrientis McIntosh, 1885 (additional source)
Eulalia magalhaensis [auct. misspelling] accepted as Eulalia magalaensis Kinberg, 1866 (additional source)
Eulalia picta Kinberg, 1866 (additional source)
Eunice australis Quatrefages, 1866 accepted as Leodice australis (Quatrefages, 1866) (additional source)
Eunice frauenfeldi Grube, 1866 (additional source)
Eunice pennata (Müller, 1776) (additional source)
Eunoe anderssoni (Bergström, 1916) accepted as Harmothoe anderssoni Bergström, 1916 (new combination reference)
Euphionella Monro, 1936 (original description)
Euphionella lobulata (Seidler, 1922) (new combination reference)
Euphionella patagonica Monro, 1936 (original description)
Euphrosyne arctia Johnson, 1897 accepted as Euphrosine arctia Johnson, 1897 (additional source)
Euphrosyne maorica Augener, 1924 accepted as Euphrosine maorica Augener, 1924 (additional source)
Eusyllis kerguelensis McIntosh, 1885 accepted as Pionosyllis kerguelensis (McIntosh, 1885) (additional source)
Flabelligera affinis M. Sars, 1829 (additional source)
Genetyllis polyphylla (Ehlers, 1897) (additional source)
Glycera capitata Örsted, 1842 (additional source)
Glycinde armata (Kinberg, 1866) (additional source)
Glycinde pacifica Monro, 1928 accepted as Glycinde multidens Müller, 1858 (source of synonymy)
Goniada eximia Ehlers, 1900 accepted as Goniada gigantea (Verrill, 1885) (additional source)
Greeffia oahuensis McIntosh, 1885 accepted as Alciopa reynaudii Audouin & H Milne Edwards, 1833 (additional source)
Halosydna patagonica Kinberg, 1856 (additional source)
Haploscoloplos kerguelensis (McIntosh, 1885) accepted as Leitoscoloplos kerguelensis (McIntosh, 1885) (additional source)
Harmothoe (Barrukia) cristata (Willey, 1902) accepted as Barrukia cristata (Willey, 1902) (additional source)
Harmothoe benthophila Ehlers, 1913 (additional source)
Harmothoe brevipalpa Bergström, 1916 accepted as Harmothoe magellanica (McIntosh, 1885) (additional source)
Harmothoe brevipalpa ciliata Monro, 1936 accepted as Harmothoe ciliata Monro, 1936 (original description)
Harmothoe ernesti Augener, 1931 (additional source)
Harmothoe exanthema (Grube, 1856) (additional source)
Harmothoe exanthema bergstromi Monro, 1936 accepted as Harmothoe exanthema (Grube, 1856) (original description)
Harmothoe impar ciliata Monro, 1936 accepted as Harmothoe ciliata Monro, 1936 (original description)
Harmothoe magellanica (McIntosh, 1885) (additional source)
Harmothoe spinosa Kinberg, 1856 (additional source)
Harmothoe spinosa lagiscoides Willey, 1902 accepted as Harmothoe crosetensis (McIntosh, 1885) (additional source)
Hauchiella tribullata (McIntosh, 1869) (additional source)
Hermadion magalhaensi Kinberg, 1856 (additional source)
Hololepida australis Monro, 1936 (original description)
Hyalinoecia tubicola (O.F. Müller, 1776) (additional source)
Idanthyrsus armatus Kinberg, 1866 accepted as Idanthyrsus macropaleus (Schmarda, 1861) (additional source)
Laetmatonice producta accepted as Laetmonice producta Grube, 1877 (additional source)
Leaena abranchiata antarctica McIntosh, 1885 accepted as Leaena antarctica McIntosh, 1885 (additional source)
Leaena collaris Hessle, 1917 (additional source)
Leanira quatrefagesi Kinberg, 1856 (additional source)
Lepidametria gigas (Johnson, 1897) accepted as Lepidasthenia gigas (Johnson, 1897) (additional source)
Leptonereis loxechini (Kinberg, 1865) accepted as Platynereis magalhaensis Kinberg, 1865 (additional source)
Loandalia Monro, 1936 accepted as Hermundura Müller, 1858 (original description)
Loandalia aberrans Monro, 1936 accepted as Hermundura aberrans (Monro, 1936) (original description)
Loimia medusa (Savigny, 1822) (additional source)
Lopadorhynchus uncinatus Fauvel, 1915 accepted as Lopadorrhynchus uncinatus Fauvel, 1915 (additional source)
Lopadorrhynchus krohnii simplex Monro, 1930 accepted as Lopadorrhynchus krohnii (Claparède, 1870) (additional source)
Lumbriclymenella robusta Arwidsson, 1911 (additional source)
Lumbrinereis cingulata Treadwell, 1917 accepted as Lumbrineris inflata Moore, 1911 (additional source)
Lumbrinereis heteropoda Marenzeller, 1879 accepted as Kuwaita heteropoda (Marenzeller, 1879) (additional source)
Lumbrinereis magalhaensis Kinberg, 1865 accepted as Lumbrineris magalhaensis Kinberg, 1865 (additional source)
Macellicephala mirabilis (McIntosh, 1885) (additional source)
Maldane sarsi antarctica Arwidsson, 1911 (additional source)
Mystides notialis Ehlers, 1913 (additional source)
Neoleprea streptochaeta (Ehlers, 1897) (additional source)
Neosabellides elongatus (Ehlers, 1913) (additional source)
Nephthys dibranchis Grube, 1877 accepted as Aglaophamus dibranchis (Grube, 1877) (additional source)
Nephthys macrura [auctt. misspelling] accepted as Aglaophamus macroura (Schmarda, 1861) (additional source)
Nephthys serratifolia Ehlers, 1897 accepted as Nephtys imbricata Grube, 1857 (additional source)
Nephthys squamosa Ehlers, 1887 accepted as Nephtys squamosa Ehlers, 1887 (additional source)
Nereis (Eunereis) hardyi Monro, 1930 accepted as Eunereis patagonica (McIntosh, 1885) (additional source)
Nereis callaoana [auctt. misspelling] accepted as Nereis callaona Grube, 1857 (basis of record)
Nereis cricognatha Ehlers, 1904 accepted as Neanthes cricognatha (Ehlers, 1904) (additional source)

Overlapping claim Falkland / Malvinas Islands: United Kingdom / Argentina part of the South Atlantic Ocean for Pista mirabilis McIntosh, 1885 
Overlapping claim Falkland / Malvinas Islands: United Kingdom / Argentina part of the South Atlantic Ocean for Pista mirabilis McIntosh, 1885 
Overlapping claim Falkland / Malvinas Islands: United Kingdom / Argentina part of the South Atlantic Ocean for Pista mirabilis McIntosh, 1885 
Overlapping claim Falkland / Malvinas Islands: United Kingdom / Argentina part of the South Atlantic Ocean for Pista mirabilis McIntosh, 1885 
South Sandwich Islands for Pista mirabilis McIntosh, 1885 

Holotype NHMUK 1936.2.8.2932, geounit Schollaert Channel, identified as Octobranchus antarcticus Monro, 1936
Holotype NHMUK 1936.2.8.3376, geounit Angola, identified as Loandalia aberrans Monro, 1936

 Classification

 for Streblosoma antarctica Monro, 1936

Monro 1936: 183-184 considered this species has a variety of Streblosoma bairdi based on the differences of the ... [details]

 Depth range

 for Hermundura aberrans (Monro, 1936)

64-65 m. [details]

 Depth range

 for Loandalia aberrans Monro, 1936

64-65 m.  [details]

 Depth range

 for Octobranchus antarcticus Monro, 1936

278-500 m. [details]

 Distribution

 for Hermundura aberrans (Monro, 1936)

Atlantic Ocean, Angola (West Africa).  [details]

 Distribution

 for Loandalia aberrans Monro, 1936

Atlantic Ocean, Angola (West Africa).  [details]

 Etymology

 for Loandalia Monro, 1936

Not stated. The name of the genus Loandalia seems to be formed by the toponym 'Loanda', former name of 'Luanda', ... [details]

 Etymology

 for Loandalia aberrans Monro, 1936

Not stated. The specific epithet aberrans is the participle of the Latin verb aberro, and means 'wandering', ... [details]

 Etymology

 for Octobranchus antarcticus Monro, 1936

Not explicitly stated in the original description. The specific epithet antarcticus refers to the type locality of ... [details]

 Habitat

 for Hermundura aberrans (Monro, 1936)

Grey mud, at shelf depths. [details]

 Habitat

 for Loandalia aberrans Monro, 1936

Grey mud, at shelf depths.  [details]

 Habitat

 for Octobranchus antarcticus Monro, 1936

Mud, at slope depths. [details]

 Holotype

 for Octobranchus antarcticus Monro, 1936

Holotype deposited at the Natural History Museum, London, UK (NHM 1936.2.8.2932). [details]

 Synonymy

 for Glycinde pacifica Monro, 1928

Monro (1936: 144, in comments on G. armata) wrote that: "In the original description of G. pacifica, mihi, from the ... [details]

 Taxonomic remark

 for Streblosoma bairdi antarctica Monro, 1936

Monro 1936: 183-184 considered this species has a variety of Streblosoma bairdi based on the differences of the ... [details]

 Taxonomy

 for Scoloplos mawsoni Benham, 1921

Moved to Leitoscoloplos by Mackie (1987). Monro (1936: 160) suggested that the species could be referred to ... [details]

 Type locality

 for Loandalia aberrans Monro, 1936

Atlantic Ocean, West Africa, Angola, ''off St. Paul de Loanda'' (= Luanda, formerly São Paulo da Assunção de ... [details]

 Type locality

 for Octobranchus antarcticus Monro, 1936

Schollaert Channel, Palmer Archipelago, Antarctica, Southern Ocean (-64.35°, -62.97°). [details]