• Decathelepus ocellatus Hutchings, 1977 accepted as Parathelepus ocellatus (Hutchings, 1977)
• Decathelepus wambira Nogueira & Hutchings, 2007 accepted as Parathelepus wambira (Nogueira & Hutchings, 2007)
• Euthelepus abranchiatus Hartman & Fauchald, 1971 accepted as Thelepus abranchiatus (Hartman & Fauchald, 1971)
• Euthelepus aserrula Hutchings, Nogueira & Carrerette, 2015
• Euthelepus atlanticus Hartman & Fauchald, 1971 accepted as Streblosoma atlanticus (Hartman & Fauchald, 1971)
• Euthelepus chilensis McIntosh, 1885 accepted as Streblosoma chilensis (McIntosh, 1885)
• Euthelepus kinsemboensis Augener, 1918
• Euthelepus kritzleri Londoño-Mesa, 2009
• Euthelepus malayensis Caullery, 1944 accepted as Thelepus malayensis (Caullery, 1944)
• Euthelepus marchinbar Hutchings, 1997
• Euthelepus pascua Fauchald, 1977 accepted as Thelepus pascua (Fauchald, 1977)
• Euthelepus serratus Hutchings & Glasby, 1986
• Euthelepus setubalensis McIntosh, 1885
• Euthelepus tenuis (Verrill, 1900) accepted as Thelepus tenuis (Verrill, 1900)
• Glossothelepus mexicanus Hutchings & Glasby, 1986 accepted as Rhinothelepus mexicanus (Hutchings & Glasby, 1986)
• Grymaea bairdi Malmgren, 1866 accepted as Streblosoma bairdi (Malmgren, 1866)
• Grymaea brachiata Ehlers, 1874 accepted as Streblosoma intestinale M. Sars in G.O. Sars, 1872
• Grymaea cespitosa Willey, 1905 accepted as Streblosoma cespitosa (Willey, 1905)
• Grymaea persica Fauvel, 1908 accepted as Streblosoma persica (Fauvel, 1908)
• Grymaea persica Fauvel, 1913 accepted as Grymaea persica Fauvel, 1908 accepted as Streblosoma persica (Fauvel, 1908)
• Grymaea spiralis Verrill, 1874 accepted as Streblosoma spiralis (Verrill, 1874)
• Heterophenacia gigantea Quatrefages, 1866 (uncertain > nomen dubium)
• Heterophenacia nucleolata Claparède, 1870 accepted as Thelepus nucleolata (Claparède, 1869)
• Heterophenacia renouardi Marion, 1876 accepted as Thelepus cincinnatus (Fabricius, 1780)
• Kritzlerius anomalus Londoño-Mesa, 2009 accepted as Parathelepus anomalus (Londoño-Mesa, 2009)
• Lumara flava Stimpson, 1853 accepted as Thelepus cincinnatus (Fabricius, 1780)
• Mesopothelepus macrothoracicus (Mohammad, 1980)
• Neottis antarctica McIntosh, 1876 accepted as Thelepus setosus (Quatrefages, 1866)
• Neottis gracilis Kinberg, 1866 (uncertain > nomen dubium)
• Neottis rugosa Ehlers, 1897 accepted as Terebella plagiostoma Schmarda, 1861
• Neottis spectabilis Verrill, 1875 accepted as Thelepus setosus (Quatrefages, 1866)
• Neottis triserialis (Grube, 1855) accepted as Thelepus triserialis (Grube, 1855)
• Parathelepus anomalus (Londoño-Mesa, 2009)
• Parathelepus collaris (Southern, 1914)
• Parathelepus macer (Hutchings, 1977)
• Parathelepus ocellatus (Hutchings, 1977)
• Parathelepus oculeus (Hutchings, Nogueira & Carrerette, 2015)
• Parathelepus praecox Nogueira, Carrerette, Hutchings & Fitzhugh, 2018
• Parathelepus scutatum Nogueira, Carrerette, Hutchings & Fitzhugh, 2018
• Parathelepus wambira (Nogueira & Hutchings, 2007)
• Phenacia ambigrada Claparède, 1870 accepted as Thelepus cincinnatus (Fabricius, 1780)
• Phenacia exilis Grube, 1878 accepted as Streblosoma cespitosa (Willey, 1905)
• Phenacia leptoplocamus Grube, 1878 accepted as Thelepus leptoplocamus (Grube, 1878)
• Phenacia oculata Schmankevitsch, 1875 accepted as Hypania invalida (Grube, 1860)
• Phenacia parca Grube, 1878 accepted as Thelepus parcus (Grube, 1878)
• Phenacia paucibranchis Grube, 1878 accepted as Thelepus paucibranchis (Grube, 1878)
• Phenacia pulchella Parfitt, 1866 accepted as Thelepus cincinnatus (Fabricius, 1780)
• Phenacia retrograda Claparède, 1870 accepted as Thelepus cincinnatus (Fabricius, 1780)
• Phenacia robusta Grube, 1878 accepted as Thelepus robustus (Grube, 1878)
• Phenacia setosa Quatrefages, 1866 accepted as Thelepus setosus (Quatrefages, 1866)
• Phenacia terebelloides Quatrefages, 1866 accepted as Thelepus cincinnatus (Fabricius, 1780)
• Protothelepus tenuis Verrill, 1900 accepted as Thelepus tenuis (Verrill, 1900)
• Pseudostreblosoma brevitentaculatum Nogueira & Alves, 2006
• Pseudostreblosoma longum (Mohammad, 1973)
• Pseudostreblosoma serratum Hutchings & Murray, 1984
• Pseudothelepus binara Hutchings, 1997 (uncertain > taxon inquirendum)
• Pseudothelepus nyanganus Augener, 1918 accepted as Pseudothelepus oligocirrus (Schmarda, 1861)
• Pseudothelepus oligocirrus (Schmarda, 1861)
• Rhinothelepus bifurcatum Nogueira, Carrerette, Hutchings & Fitzhugh, 2018
• Rhinothelepus buku Hutchings, 1997
• Rhinothelepus lobatus Hutchings, 1974
• Rhinothelepus macer Hutchings, 1977 accepted as Parathelepus macer (Hutchings, 1977)
• Rhinothelepus mexicanus (Hutchings & Glasby, 1986)
• Rhinothelepus occabus Hutchings, 1990
• Rhinothelepus oculeus Hutchings, Nogueira & Carrerette, 2015 accepted as Parathelepus oculeus (Hutchings, Nogueira & Carrerette, 2015)
• Streblosoma (Eugrymaea) polybranchia Verrill, 1900 accepted as Streblosoma polybranchia Verrill, 1900
• Streblosoma abranchiata Day, 1963
• Streblosoma acymatum Hutchings & Rainer, 1979
• Streblosoma amboinense Caullery, 1944
• Streblosoma antarctica Monro, 1936 accepted as Streblosoma bairdi antarctica Monro, 1936
• Streblosoma atlanticus (Hartman & Fauchald, 1971)
• Streblosoma atos Hutchings & Murray, 1984
• Streblosoma bairdi (Malmgren, 1866)
• Streblosoma bairdi antarctica Monro, 1936
• Streblosoma bairdi glandularis Hartmann-Schröder, 1986
• Streblosoma bingarra Nogueira & Hutchings, 2007
• Streblosoma cabiochi Lavesque, Londoño-Mesa, Daffe & Hutchings, 2020
• Streblosoma cespitosa (Willey, 1905)
• Streblosoma chiguensis Hsueh & Li, 2016
• Streblosoma chilensis (McIntosh, 1885)
• Streblosoma cochleatum M. Sars in G.O. Sars, 1872 accepted as Streblosoma bairdi (Malmgren, 1866)
• Streblosoma comatus (Grube, 1859) accepted as Thelepus comatus (Grube, 1859)
• Streblosoma crassibranchia Treadwell, 1914
• Streblosoma crassibranchiata Treadwell, 1914 accepted as Streblosoma crassibranchia Treadwell, 1914
• Streblosoma curvus Hutchings, Nogueira & Carrerette, 2015
• Streblosoma duplicata Hutchings, 1990
• Streblosoma dytikos Hutchings & Glasby, 1990
• Streblosoma gracile Caullery, 1944
• Streblosoma hartmanae Kritzler, 1971
• Streblosoma hesslei Day, 1955
• Streblosoma hutchingsae Lezzi & Giangrande, 2019
• Streblosoma intestinale M. Sars in G.O. Sars, 1872
• Streblosoma intestinalis [auct. misspelling] accepted as Streblosoma intestinale M. Sars in G.O. Sars, 1872
• Streblosoma japonica Hessle, 1917
• Streblosoma kaia Reuscher, Fiege & Wehe, 2012
• Streblosoma latitudinis Hutchings & Murray, 1984
• Streblosoma lindsayae Lavesque, Londoño-Mesa, Daffe & Hutchings, 2020
• Streblosoma longa Mohammad, 1973 accepted as Pseudostreblosoma longum (Mohammad, 1973)
• Streblosoma longifilis Rioja, 1962
• Streblosoma longiremis Caullery, 1915