Amphicteis Grube, 1850 (additional source)
Amphicteis gunneri (M. Sars, 1835) (additional source)
Arenicola loveni Kinberg, 1866 (taxonomy source)
Armandia Filippi, 1861 (additional source)
Armandia intermedia Fauvel, 1902 (additional source)
Armandia leptocirrus Grube, 1878 accepted as Armandia leptocirris (Grube, 1878) (basis of record)
Armandia longicaudata (Caullery, 1944) accepted as Ophelina longicaudata (Caullery, 1944) (additional source)
Axiothella Verrill, 1900 (additional source)
Axiothella quadrimaculata Augener, 1914 (basis of record)
Branchiomma Kölliker, 1858 (additional source)
Branchiomma natalensis (Kinberg, 1866) accepted as Branchiomma natalense (Kinberg, 1866) (basis of record)
Branchiomma nigromaculatum (Baird, 1865) (additional source)
Branchiomma serratibranchis (Grube, 1878) accepted as Pseudobranchiomma serratibranchis (Grube, 1878) (additional source)
Caulleriella Chamberlin, 1919 (additional source)
Chaetopterus Cuvier, 1830 (additional source)
Chaetopterus varieopedatus [auctt.] accepted as Chaetopterus variopedatus (Renier, 1804) (basis of record)
Chone Krøyer, 1856 (additional source)
Chone collaris Langerhans, 1880 accepted as Dialychone collaris (Langerhans, 1880) (additional source)
Cirratulus Lamarck, 1818 (additional source)
Cirratulus africanus Gravier, 1905 (basis of record)
Cirratulus australis Stimpson, 1855 accepted as Cirriformia capensis (Schmarda, 1861) (status source)
Cirriformia Hartman, 1936 (additional source)
Cirriformia filigera (Delle Chiaje, 1828) (basis of record)
Cirriformia punctata (Grube, 1859) accepted as Timarete punctata (Grube, 1859) (basis of record)
Cirriformia saxatilis (Gravier, 1905) (basis of record)
Cirriformia tentaculata (Montagu, 1808) (additional source)
Clymene lyrocephala Schmarda, 1861 accepted as Isocirrus lyrocephalus (Schmarda, 1861) (taxonomy source)
Clymenura tenuis (Day, 1957) accepted as Leiochone tenuis Day, 1957 (additional source)
Dasybranchus Grube, 1850 (additional source)
Dasybranchus bipartitus (Schmarda, 1861) (additional source)
Dasybranchus caducus (Grube, 1846) (additional source)
Dasychone Sars, 1862 accepted as Branchiomma Kölliker, 1858 (additional source)
Dodecaceria Örsted, 1843 (additional source)
Euclymene Verrill, 1900 (additional source)
Euclymene annandalei Southern, 1921 (basis of record)
Euclymene lombricoides (Quatrefages, 1866) (basis of record)
Euclymene mossambica (Day, 1957) (basis of record)
Euclymene natalensis (Day, 1957) (basis of record)
Eupolymnia Verrill, 1900 (additional source)
Eupolymnia nebulosa (Montagu, 1819) (additional source)
Fabricia Blainville, 1828 (additional source)
Fabricia filamentosa Day, 1963 accepted as Pseudofabriciola filamentosa (Day, 1963) (basis of record)
Fabriciola Friedrich, 1939 (additional source)
Fabriciola mossambica (Day, 1957) accepted as Fabricinuda mossambica (Day, 1957) (basis of record)
Filograna Berkeley, 1835 (additional source)
Filograna implexa Berkeley, 1835 (additional source)
Gravierella Fauvel, 1919 (basis of record)
Heteromastus Eisig, 1887 (additional source)
Heteromastus filiformis (Claparède, 1864) (additional source)
Hyboscolex Schmarda, 1861 (basis of record)
Hyboscolex longiseta Schmarda, 1861 (basis of record)
Hydroides bifurcata Pixell, 1913 (additional source)
Hydroides heteroceros [auct. lapsus] accepted as Hydroides heterocera (Grube, 1868) (basis of record)
Hydroides lunulifera (Claparède, 1870) accepted as Hydroides dirampha Mörch, 1863 (basis of record)
Hydroides ralumiana Augener, 1927 (new combination reference)
Hydroides uncinata (Phillipi, 1844) (additional source)
Hypsicomus Grube, 1870 (additional source)
Hypsicomus phaeotaenia (Schmarda, 1861) accepted as Notaulax phaeotaenia (Schmarda, 1861) (additional source)
Idanthyrsus Kinberg, 1866 (additional source)
Idanthyrsus pennatus (Peters, 1854) (basis of record)
Jasmineira Langerhans, 1880 (additional source)
Jasmineira caudata Langerhans, 1880 (additional source)
Lanice Malmgren, 1866 (additional source)
Lanice conchilega (Pallas, 1766) (additional source)
Laonice Malmgren, 1867 (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Loimia Malmgren, 1866 (additional source)
Loimia medusa (Savigny, 1822) (additional source)
Lygdamis Kinberg, 1866 (additional source)
Lygdamis indicus Kinberg, 1866 (basis of record)
Lysilla Malmgren, 1866 (additional source)
Macroclymene Verrill, 1900 (additional source)
Macroclymene monilis (Fauvel, 1902) (taxonomy source)
Magelona F. Müller, 1858 (additional source)
Magelona cincta Ehlers, 1908 (basis of record)
Magelona papillicornis F. Müller, 1858 (additional source)
Malacoceros Quatrefages, 1843 (additional source)
Malacoceros indicus (Fauvel, 1928) (basis of record)
Maldane Grube, 1860 (additional source)
Maldane sarsi Malmgren, 1865 (additional source)
Megalomma Johansson, 1926 accepted as Acromegalomma Gil & Nishi, 2017 (additional source)
Megalomma quadrioculatum (Willey, 1905) accepted as Acromegalomma quadrioculatum (Willey, 1905) (basis of record)
Megalomma vesiculosum (Montagu, 1813) accepted as Acromegalomma vesiculosum (Montagu, 1813) (additional source)
Mesochaetopterus Potts, 1914 (additional source)
Mesochaetopterus minutus Potts, 1914 (additional source)
Naineris Blainville, 1828 (additional source)
Naineris laevigata (Grube, 1855) (additional source)
Nicolea Malmgren, 1866 (additional source)
Nicomache Malmgren, 1865 (additional source)
Nicomache mossambica Day, 1951 (basis of record)
Notomastus M. Sars, 1851 (additional source)
Notomastus aberans Day, 1957 (additional source)
Notomastus latericeus Sars, 1851 (additional source)
Oncoscolex Schmarda, 1861 accepted as Hyboscolex Schmarda, 1861 (source of synonymy)
Ophelia Savigny, 1822 (additional source)
Ophelia peresi Bellan & Picard, 1965 (additional source)
Ophelina Örsted, 1843 (additional source)
Ophelina acuminata Örsted, 1843 (additional source)
Orbinia Quatrefages, 1866 (additional source)
Orbinia bioreti (Fauvel, 1919) (additional source)

Madagascan part of the Mozambique Channel for Pista macrolobata Hessle, 1917 
Madagascar for Armandia longicaudata (Caullery, 1944) 
Madagascar for Branchiomma nigromaculatum (Baird, 1865) 
Madagascar for Dasybranchus caducus (Grube, 1846) 
Madagascar for Eupolymnia nebulosa (Montagu, 1819) 
Madagascar for Gravierella multiannulata Fauvel, 1919 
Madagascar for Hypsicomus phaeotaenia (Schmarda, 1861) 
Madagascar for Idanthyrsus pennatus (Peters, 1854) 
Madagascar for Loimia medusa (Savigny, 1822) 
Madagascar for Magelona papillicornis F. Müller, 1858 
Madagascar for Megalomma quadrioculatum (Willey, 1905) 
Madagascar for Nicolea venustula venustula (Montagu, 1818) 
Madagascar for Notomastus aberans Day, 1957 
Madagascar for Ophelia peresi Bellan & Picard, 1965 
Madagascar for Orbinia bioreti (Fauvel, 1919) 
Madagascar for Pherusa parmata (Grube, 1877) 
Madagascar for Phylo foetida australis (Fauvel, 1919) 
Madagascar for Polydora ciliata (Johnston, 1838) 
Madagascar for Polyophthalmus pictus (Dujardin, 1839) 
Madagascar for Pomatoleios kraussii (Baird, 1864) 
Madagascar for Prionospio bocki Söderström, 1920 
Madagascar for Sabellastarte longa (Kinberg, 1866) 
Madagascar for Scolelepis lefebrei [auct. misspelling] 
Madagascar for Scolelepis squamata (Müller, 1806) 
Madagascar for Scoloplos madagascariensis Fauvel, 1919 
Madagascar for Spiochaetopterus costarum (Claparède, 1869) 
Madagascar for Spirobranchus tetraceros (Schmarda, 1861) 
Madagascar for Sthenelais boa (Johnston, 1833) 
Madagascar for Streblosoma hesslei Day, 1955  (doubtful)
Madagascar for Terebellides stroemi [auctt. misspelling] 
Madagascar for Thelepus plagiostoma (Schmarda, 1861) 
Madagascar for Thelepus triserialis (Grube, 1855) 
Mozambican Exclusive Economic Zone for Armandia leptocirrus Grube, 1878 
Mozambican Exclusive Economic Zone for Armandia longicaudata (Caullery, 1944) 
Mozambican Exclusive Economic Zone for Axiothella quadrimaculata Augener, 1914 
Mozambican Exclusive Economic Zone for Branchiomma nigromaculatum (Baird, 1865) 
Mozambican Exclusive Economic Zone for Branchiomma serratibranchis (Grube, 1878) 
Mozambican Exclusive Economic Zone for Chone collaris Langerhans, 1880 
Mozambican Exclusive Economic Zone for Cirratulus africanus Gravier, 1905 
Mozambican Exclusive Economic Zone for Cirriformia filigera (Delle Chiaje, 1828) 
Mozambican Exclusive Economic Zone for Cirriformia punctata (Grube, 1859) 
Mozambican Exclusive Economic Zone for Cirriformia saxatilis (Gravier, 1905) 
Mozambican Exclusive Economic Zone for Cirriformia tentaculata (Montagu, 1808) 
Mozambican Exclusive Economic Zone for Clymenura tenuis (Day, 1957) 
Mozambican Exclusive Economic Zone for Dasybranchus caducus (Grube, 1846) 
Mozambican Exclusive Economic Zone for Euclymene lombricoides (Quatrefages, 1866) 
Mozambican Exclusive Economic Zone for Euclymene mossambica (Day, 1957) 
Mozambican Exclusive Economic Zone for Euclymene natalensis (Day, 1957) 
Mozambican Exclusive Economic Zone for Eupolymnia nebulosa (Montagu, 1819) 
Mozambican Exclusive Economic Zone for Fabriciola mossambica (Day, 1957) 
Mozambican Exclusive Economic Zone for Gravierella multiannulata Fauvel, 1919 
Mozambican Exclusive Economic Zone for Heteromastus filiformis (Claparède, 1864) 
Mozambican Exclusive Economic Zone for Hyboscolex longiseta Schmarda, 1861 
Mozambican Exclusive Economic Zone for Hydroides bifurcatus Pixell, 1913 
Mozambican Exclusive Economic Zone for Hydroides heteroceros [auct. lapsus] 
Mozambican Exclusive Economic Zone for Hydroides ralumiana Augener, 1927 
Mozambican Exclusive Economic Zone for Hydroides uncinata (Phillipi, 1844) 
Mozambican Exclusive Economic Zone for Idanthyrsus pennatus (Peters, 1854) 
Mozambican Exclusive Economic Zone for Jasmineira caudata Langerhans, 1880 
Mozambican Exclusive Economic Zone for Lanice conchilega (Pallas, 1766) 
Mozambican Exclusive Economic Zone for Loimia medusa (Savigny, 1822) 
Mozambican Exclusive Economic Zone for Lumbrineris albidentata Ehlers, 1908 
Mozambican Exclusive Economic Zone for Magelona cincta Ehlers, 1908 
Mozambican Exclusive Economic Zone for Malacoceros indicus (Fauvel, 1928) 
Mozambican Exclusive Economic Zone for Maldane sarsi Malmgren, 1865 
Mozambican Exclusive Economic Zone for Megalomma quadrioculatum (Willey, 1905) 
Mozambican Exclusive Economic Zone for Megalomma vesiculosum (Montagu, 1813) 
Mozambican Exclusive Economic Zone for Mesochaetopterus minutus Potts, 1914 
Mozambican Exclusive Economic Zone for Naineris laevigata (Grube, 1855) 
Mozambican Exclusive Economic Zone for Nicomache mossambica Day, 1951 
Mozambican Exclusive Economic Zone for Notomastus aberans Day, 1957 
Mozambican Exclusive Economic Zone for Notomastus latericeus Sars, 1851 
Mozambican Exclusive Economic Zone for Orbinia monroi Day, 1955 
Mozambican Exclusive Economic Zone for Owenia fusiformis Delle Chiaje, 1844 
Mozambican Exclusive Economic Zone for Parheteromastus tenuis Monro, 1937 
Mozambican Exclusive Economic Zone for Pectinaria papillosa Caullery, 1944 
Mozambican Exclusive Economic Zone for Phyllochaetopterus elioti Crossland, 1903 
Mozambican Exclusive Economic Zone for Phyllochaetopterus herdmani (Hornell in Willey, 1905) 
Mozambican Exclusive Economic Zone for Phyllochaetopterus socialis Claparède, 1869 
Mozambican Exclusive Economic Zone for Phyllocomus hiltoni (Chamberlin, 1919) 
Mozambican Exclusive Economic Zone for Phylo foetida australis (Fauvel, 1919) 
Mozambican Exclusive Economic Zone for Phylo foetida ligustica (Orlandi, 1896) 
Mozambican Exclusive Economic Zone for Polydora caeca (Örsted, 1843) 
Mozambican Exclusive Economic Zone for Polydora ciliata (Johnston, 1838) 
Mozambican Exclusive Economic Zone for Polydora hoplura inhaca Day, 1957 
Mozambican Exclusive Economic Zone for Polydora kempi Southern, 1921 
Mozambican Exclusive Economic Zone for Polyophthalmus pictus (Dujardin, 1839) 
Mozambican Exclusive Economic Zone for Pomatoleios kraussii (Baird, 1864) 
Mozambican Exclusive Economic Zone for Potamilla reniformis (Bruguière, 1789) 
Mozambican Exclusive Economic Zone for Prionospio ehlersi Fauvel, 1928 
Mozambican Exclusive Economic Zone for Pulliella armata Fauvel, 1929 
Mozambican Exclusive Economic Zone for Sabella fusca Grube, 1870 
Mozambican Exclusive Economic Zone for Sabellaria intoshi Fauvel, 1914 
Mozambican Exclusive Economic Zone for Sabellastarte longa (Kinberg, 1866) 
Mozambican Exclusive Economic Zone for Sabellastarte sanctijosephi (Gravier, 1906) 
Mozambican Exclusive Economic Zone for Scolelepis squamata (Müller, 1806) 
Mozambican Exclusive Economic Zone for Scoloplos madagascariensis Fauvel, 1919 
Mozambican Exclusive Economic Zone for Scoloplos marsupialis Southern, 1921 
Mozambican Exclusive Economic Zone for Scyphoproctus djiboutiensis Gravier, 1904 
Mozambican Exclusive Economic Zone for Serpula vermicularis vermicularis Linnaeus, 1767