Acanthopolymastia acanthoxa (Koltun, 1964) (basis of record)
Alcyonium bursa Linnaeus, 1758 accepted as Codium bursa (Olivi) C.Agardh, 1817 (additional source)
Anomolissa de Laubenfels, 1934 accepted as Pseudotrachya Hallmann, 1914 (basis of record)
Atergia Stephens, 1915 (original description)
Atergia acanthoxa Koltun, 1964 accepted as Acanthopolymastia acanthoxa (Koltun, 1964) (basis of record)
Atergia corticata Stephens, 1915 (basis of record)
Atergia villosa (Kelly-Borges & Bergquist, 1997) (basis of record)
Bursalina Schmidt, 1875 accepted as Quasillina Norman, 1869 (basis of record)
Polymastia Bowerbank, 1862 (basis of record)
Polymastia capitata Vosmaer, 1885 accepted as Sphaerotylus capitatus (Vosmaer, 1885) (additional source)
Polymastia penicillus (Montagu, 1814) (additional source)
Polymastia tissieri (Vacelet, 1961) (basis of record)
Polymastia uberrima (Schmidt, 1870) (additional source)
Polymastiidae Gray, 1867 (basis of record)
Proteleia Dendy & Ridley, 1886 (basis of record)
Proteleia borealis Swartschewsky, 1906 accepted as Sphaerotylus borealis (Swartschewsky, 1906) (basis of record)
Proteleia burtoni Koltun, 1964 accepted as Koltunia burtoni (Koltun, 1964) (basis of record)
Proteleia sollasi Dendy & Ridley, 1886 (basis of record)
Pseudotrachya Hallmann, 1914 (basis of record)
Pseudotrachya amaza (de Laubenfels, 1934) (basis of record)
Pseudotrachya hystrix (Topsent, 1890) (basis of record)
Pseudotrachya oxystyla Sarà, 1959 accepted as Pseudotrachya hystrix (Topsent, 1890) (basis of record)
Quasillina Norman, 1869 (basis of record)
Quasillina brevis (Bowerbank, 1861) (basis of record)
Quasillina richardi Topsent, 1913 (basis of record)
Radiella Schmidt, 1870 (basis of record)
Radiella hemisphaerica (Sars, 1872) accepted as Polymastia hemisphaerica (Sars, 1872) (basis of record)
Radiella irregularis (Ridley & Dendy, 1886) (basis of record)
Radiella sarsii (Ridley & Dendy, 1886) accepted as Spinularia sarsii (Ridley & Dendy, 1886) (basis of record)
Radiella sol Schmidt, 1870 (basis of record)
Radiella straticulata (Wilson, 1925) (basis of record)
Radiella tissieri Vacelet, 1961 accepted as Polymastia tissieri (Vacelet, 1961) (basis of record)
Rhaphidorus Topsent, 1898 accepted as Spinularia Gray, 1867 (additional source)
Rhaphidorus setosus Topsent, 1898 accepted as Spinularia spinularia (Bowerbank, 1866) (basis of record)
Ridleia Dendy, 1888 (basis of record)
Ridleia oviformis Dendy, 1888 (basis of record)
Rinalda Schmidt, 1870 accepted as Polymastia Bowerbank, 1862 (additional source)
Sphaerotylus Topsent, 1898 (additional source)
Sphaerotylus capitatus (Vosmaer, 1885) (basis of record)
Spinularia Gray, 1867 (basis of record)
Spinularia spinularia (Bowerbank, 1866) (basis of record)
Spinularia tetheoides Gray, 1867 accepted as Spinularia spinularia (Bowerbank, 1866) (basis of record)
Tentorium Vosmaer, 1887 (basis of record)
Tentorium semisuberites (Schmidt, 1870) (basis of record)
Tethea spinularia Bowerbank, 1866 accepted as Spinularia spinularia (Bowerbank, 1866) (basis of record)
Thecophora Schmidt, 1870 accepted as Tentorium Vosmaer, 1887 (additional source)
Thecophora semisuberites Schmidt, 1870 accepted as Tentorium semisuberites (Schmidt, 1870) (additional source)
Trachya hystrix Topsent, 1890 accepted as Pseudotrachya hystrix (Topsent, 1890) (additional source)
Trachyteleia Topsent, 1928 (basis of record)
Trachyteleia stephensi Topsent, 1928 (basis of record)
Trichostemma Sars, 1869 accepted as Polymastia Bowerbank, 1862 (basis of record)
Trichostemma hemisphaericum Sars, 1872 accepted as Polymastia hemisphaerica (Sars, 1872) (basis of record)
Trichostemma irregularis Ridley & Dendy, 1886 accepted as Radiella irregularis (Ridley & Dendy, 1886) (basis of record)
Trichostemma straticulatum Wilson, 1925 accepted as Radiella straticulata (Wilson, 1925) (basis of record)
Tylexocladus Topsent, 1898 (basis of record)
Tylexocladus joubini Topsent, 1898 (basis of record)
Weberella Vosmaer, 1885 (basis of record)
Weberella bursa Vosmaer, 1885 (additional source)