| Nominal Species (n = 79) | Present allocation (n = 76) | Ref. |
|---|---|---|
| Protankyra abyssicola Théel, 1886 | Protankyra abyssicola | 19 |
| Synapta acanthia Clark, 1899 | Eupatinapta acanthia | 75097 |
| Labidoplax adriatica Heding, 1931 | Labidoplax adriatica | 485 |
| Protankyra albatrossi Fisher, 1907 | Protankyra albatrossi | 473 |
| Opheodesoma australiensis Heding, 1931 | Opheodesoma australiensis | 75656 |
| Synaptula bandae Heding, 1928 | Synaptula bandae | 485 |
| Protankyra benedeni Ludwig, 1881 | Protankyra benedeni | 446 |
| Leptosynapta brasilensis Freire & Grohmann, 1989 | Leptosynapta brasilensis | 485 |
| Protankyra brychia Verrill, 1885 | Protankyra brychia | 485 |
| Protankyra buitendijki Rowe, 1983 | Protankyra buitendijki | 593 |
| Leptosynapta chela Mortensen, 1926 | Leptosynapta chela | 3477 |
| Leptosynapta circopatina Clark, 1924 | Leptosynapta circopatina | 19 |
| Leptosynapta clarki Heding, 1928 | Leptosynapta clarki | 19 |
| Opheodesoma clarki Heding, 1928 | Opheodesoma clarki | 81020 |
| Rynkatorpa coriolisi Smirnov, 1997 | Rynkatorpa coriolisi | 485 |
| Leptosynapta crassipatina Clark, 1924 | Leptosynapta crassipatina | 19 |
| Leptosynapta cruenta Cherbonnier, 1953 | Leptosynapta cruenta | 19 |
| Synaptula denticulata Heding, 1928 | Synaptula denticulata | 485 |
| Oestergrenia dubia Semper, 1868 | Oestergrenia dubia | 81020 |
| Protankyra duodactyla Clark, 1907 | Rynkatorpa duodactyla | 75097 |
| Protankyra errata Koehler & Vaney, 1905 | Protankyra errata | 485 |
| Anapta fallax Lampert, 1889 | Anapta fallax | 97 |
| Polyplectana galatheae Heding, 1928 | Polyplectana galatheae | 81020 |
| Labidoplax georgii Smirnov, 1997 | Labidoplax georgii | 485 |
| Euapta glabra Semper, 1868 | Euapta glabra | 485 |
| Synapta godeffroyi Semper, 1868 | Euapta godeffroyi | 3477 |
| Anapta gracilis Semper, 1868 | Anapta gracilis | 81020 |
| Protankyra grayi Pawson, 1967 | Protankyra grayi | 19 |
| Holothuria hydriformis Lesueur, 1824 | Synaptula hydriformis | 75097 |
| Leptosynapta imswe Pawson, 1976 | Leptosynapta imswe | 3477 |
| Synapta inaequalis Hutton, 1872 | Protankyra uncinata | 89030 |
| Anapta inermis Fisher, 1907 | Anapta inermis | 97 |
| Protankyra innominata Ludwig, 1875 | Protankyra innominata | 485 |
| Epitomapta knysnaensis Cherbonnier, 1952 | Leptosynapta knysnaensis | 566 |
| Synaptula lamperti Heding, 1928 | Synaptula lamperti | 485 |
| Synapta lappa Müller, 1850 | Euapta lappa | 75097 |
| Leptosynapta latipatina Clark, 1921 | Leptosynapta latipatina | 1456 |
| Opheodesoma lineata Heding, 1928 | Opheodesoma lineata | 485 |
| Polyplectana longogranula Heding, 1928 | Polyplectana longogranula | 473 |
| Leptosynapta macropatina Heding, 1928 | Leptosynapta parvipatina | 75097 |
| Synaptula madreporica Heding, 1928 | Synaptula madreporica | 81020 |
| Euapta magna Heding, 1928 | Euapta magna | 473 |
| Protankyra magnihamula Heding, 1928 | Protankyra magnihamula | 81020 |
| Synaptula media Cherbonnier & Féral, 1984 | Synaptula media | 485 |
| Labidoplax mortenseni Heding, 1931 | Labidoplax mortenseni | 485 |
| Leptosynapta multigranula Clark, 1924 | Leptosynapta multigranula | 19 |
| Leptosynapta naiga Thandar & Rowe, 1989 | Leptosynapta naiga | 566 |
| Leptosynapta nannoplax Pawson, 1976 | Leptosynapta nannoplax | 3477 |
| Synapta ooplax von Marenzeller, 1881 | Patinapta ooplax | 3477 |
| Protankyra pacifica Ludwig | Protankyra pacifica | 19 |
| Leptosynapta parvipatina Clark, 1924 | Leptosynapta parvipatina | 19 |
| Rynkatorpa pawsoni Martin, 1969 | Rynkatorpa pawsoni | 485 |
| Synaptula psara Sluiter, 1888 | Synaptula psara | 485 |
| Leptosynapta roseogradia Pawson, 1976 | Leptosynapta roseogradia | 3477 |
| Epitomapta roseola Verrill, 1874 | Epitomapta roseola | 485 |
| Leptosynapta roseola Verrill, 1874 | Leptosynapta roseola | 19 |
| Leptosynapta roxtona Heding, 1928 | Leptosynapta roxtona | 19 |
| Rhabdomolgus ruber Keferstein, 1863 | Rhabdomolgus ruber | 485 |
| Polyplectana samoae Heding, 1931 | Polyplectana samoae | 81020 |
| Synaptula secreta Lopez, 1957 | Synaptula secreta | 485 |
| Epitomapta simentalae Solís-Marín, Conejeros-Vargas, Caballero-Ochoa & Arriaga-Ochoa, 2019 | Epitomapta simentalae | 3477 |
| Labidoplax similimedia Gage, 1985 | Labidoplax similimedia | 19 |
| Labidoplax southwardorum Gage, 1985 | Labidoplax southwardorum | 19 |
| Oestergrenia spatula Thandar & Rowe, 1989 | Oestergrenia spatula | 566 |
| Opheodesoma spectabilis Fisher, 1907 | Opheodesoma spectabilis | 473 |
| Synaptula spinifera Massin & Tomascik, 1996 | Synaptula spinifera | 485 |
| Synaptula striata Sluiter, 1888 | Synaptula striata | 485 |
| Protankyra suensoni Heding, 1928 | Protankyra suensoni | 75930 |
| Epitomapta tabogae Heding, 1928 | Epitomapta tabogae | 485 |
| Patinapta taiwanensis Chao, Rowe & Chang, 1988 | Patinapta taiwanensis | 81020 |
| Labidoplax thomsoni Hérapath, 1865 | Labidoplax thomsoni | 466 |
| Euapta tobagoensis Heding, 1928 | Euapta lappa | 75097 |
| Leptosynapta transgressor Heding, 1928 | Leptosynapta transgressor | 19 |
| Protankyra tuticorenensis James, 1982 | Protankyra tuticorenensis | 485 |
| Synapta uncinata Hutton, 1872 | Protankyra uncinata | 89030 |
| Polyplectana unispicula Heding, 1931 | Polyplectana unispicula | 81020 |
| Oestergrenia variabilis Théel, 1886 | Oestergrenia variabilis | 81020 |
| Opheodesoma variabilis Heding, 1928 | Opheodesoma variabilis | 473 |
| Polyplectana zamboangae Heding, 1928 | Polyplectana zamboangae | 81020 |