Aonides glandulosa Blake, 1996 (original description)
Apoprionospio pygmaea (Hartman, 1961) (redescription)
Atherospio Mackie & Duff, 1986 (source of synonymy)
Carazziella calafia Blake, 1979 (redescription)
Dipolydora Verrill, 1881 (status source)
Dipolydora aciculata (Blake & Kudenov, 1978) (new combination reference)
Dipolydora akaina Blake, 1996 (original description)
Dipolydora alborectalis (Radashevsky, 1993) (new combination reference)
Dipolydora antonbruunae (Blake, 1983) (new combination reference)
Dipolydora armata (Langerhans, 1880) (additional source)
Dipolydora barbilla (Blake, 1981) (new combination reference)
Dipolydora bidentata (Zachs, 1933) (new combination reference)
Dipolydora bifurcata (Blake, 1981) (new combination reference)
Dipolydora blakei (Maciolek, 1984) (new combination reference)
Dipolydora capensis (Day, 1955) (new combination reference)
Dipolydora cardalia (Berkeley, 1927) (new combination reference)
Dipolydora caulleryi (Mesnil, 1897) (new combination reference)
Dipolydora coeca (Örsted, 1843) (new combination reference)
Dipolydora commensalis (Andrews, 1891) (basis of record)
Dipolydora concharum (Verrill, 1879) (status source)
Dipolydora elegantissima (Blake & Woodwick, 1972) (new combination reference)
Dipolydora flava (Claparède, 1870) (new combination reference)
Dipolydora giardi (Mesnil, 1893) (additional source)
Dipolydora goreensis (Augener, 1918) (new combination reference)
Dipolydora hartmanae (Blake, 1971) (new combination reference)
Dipolydora langerhansi (Mesnil, 1896) (new combination reference)
Dipolydora magellanica (Blake, 1983) (new combination reference)
Dipolydora normalis (Day, 1957) (new combination reference)
Dipolydora notialis (Blake & Kudenov, 1978) (new combination reference)
Dipolydora peristomialis (Hartman, 1976) (new combination reference)
Dipolydora pilikia (Ward, 1981) (new combination reference)
Dipolydora pilocollaris (Blake & Kudenov, 1978) (new combination reference)
Dipolydora protuberata (Blake & Kudenov, 1978) (new combination reference)
Dipolydora quadrilobata (Jacobi, 1883) (additional source)
Dipolydora socialis (Schmarda, 1861) (additional source)
Dipolydora tentaculata (Blake & Kudenov, 1978) (new combination reference)
Dipolydora tetrabranchia (Hartman, 1945) (new combination reference)
Dipolydora tridenticulata (Woodwick, 1964) (new combination reference)
Dipolydora vulcanica (Radashevsky, 1994) (new combination reference)
Laonice cirrata (M. Sars, 1851) (redescription)
Laonice nuchala Blake, 1996 (original description)
Malacoceros indicus (Fauvel, 1928) (redescription)
Microspio microcera (Dorsey, 1977) (redescription)
Microspio pigmentata (Reish, 1959) (redescription)
Microspio spinosa Blake, 1996 (original description)
Paraprionospio pinnata (Ehlers, 1901) (redescription)
Polydora alloporis Light, 1970 (redescription)
Polydora armata Langerhans, 1880 accepted as Dipolydora armata (Langerhans, 1880) (source of synonymy)
Polydora bioccipitalis Blake & Woodwick, 1972 (redescription)
Polydora brevipalpa Zachs, 1933 (redescription)
Polydora caeca (Örsted, 1843) accepted as Dipolydora coeca (Örsted, 1843) (new combination reference)
Polydora capensis Day, 1955 accepted as Dipolydora capensis (Day, 1955) (new combination reference)
Polydora caulleryi Mesnil, 1897 accepted as Dipolydora caulleryi (Mesnil, 1897) (source of synonymy)
Polydora cirrosa Rioja, 1943 (redescription)
Polydora cornuta Bosc, 1802 (redescription)
Polydora flava Claparède, 1870 accepted as Dipolydora flava (Claparède, 1870) (new combination reference)
Polydora giardi Mesnil, 1893 accepted as Dipolydora giardi (Mesnil, 1893) (new combination reference)
Polydora heterochaeta Rioja, 1939 (redescription)
Polydora limicola Annenkova, 1934 (redescription)
Polydora narica Light, 1969 (additional source)
Polydora nuchalis Woodwick, 1953 (redescription)
Polydora pygidialis Blake & Woodwick, 1972 (redescription)
Polydora quadrilobata Jacobi, 1883 accepted as Dipolydora quadrilobata (Jacobi, 1883) (new combination reference)
Polydora rickettsi Woodwick, 1961 (additional source)
Polydora socialis (Schmarda, 1861) accepted as Dipolydora socialis (Schmarda, 1861) (new combination reference)
Polydora spongicola Berkeley & Berkeley, 1950 (redescription)
Polydora tentaculata Blake & Kudenov, 1978 accepted as Dipolydora tentaculata (Blake & Kudenov, 1978) (source of synonymy)
Polydora websteri Hartman in Loosanoff & Engle, 1943 (redescription)
Polydora wobberi Light, 1970 (additional source)
Prionospio jubata Blake, 1996 (original description)
Prionospio marsupialia Blake, 1996 (original description)
Pygospiopsis Blake, 1983 (additional source)
Pygospiopsis occipitalis Blake, 1996 (original description)
Rhynchospio glutaea (Ehlers, 1897) (redescription)
Scolelepis (Parascolelepis) texana Foster, 1971 (redescription)
Spio maciolekae Blake, 1996 (original description)
Spionidae Grube, 1850 (identification resource)
Spiophanes anoculata Hartman, 1960 (redescription)
Spiophanes berkeleyorum Pettibone, 1962 (redescription)
Spiophanes bombyx (Claparède, 1870) (redescription)
Spiophanes duplex (Chamberlin, 1919) (basis of record)
Spiophanes missionensis Hartman, 1941 accepted as Spiophanes duplex (Chamberlin, 1919) (source of synonymy)
Spiophanes wigleyi Pettibone, 1962 (redescription)