| Scientific Name | Author | English Name |
|---|---|---|
| Echinopsolus acanthocola | Gutt, 1990 | |
| Lissothuria antillensis | Pawson, 1967 | |
| Lissothuria braziliensis | (Théel, 1886) | |
| Lissothuria deichmannae | unspecified | |
| Lissothuria nutriens | (Clark, 1901) | |
| Lissothuria ornata | Verrill, 1867 | |
| Neopsolidium kerguelensis | (Théel, 1886) | |
| Pseudopsolus macquariensis | Dendy | |
| Psolidium bidiscum | Lampert, 1896 | Pale creeping pedal sea cucumber |
| Psolidium braziliense | unspecified | |
| Psolidium bullatum | Oshima, 1915 | |
| Psolidium complanatum | Cherbonnier, 1969 | |
| Psolidium disciformis | (Théel, 1886) | Small white rock sea cucumber |
| Psolidium dorsipes | Ludwig | |
| Psolidium ekmani | Deichmann, 1941 | |
| Psolidium ephippifer | unspecified | |
| Psolidium eubullatum | Deichmann, 1941 | |
| Psolidium gaini | Vaney, 1914 | |
| Psolidium gracile | Ludwig, 1894 | |
| Psolidium incertum | (Théel, 1886) | |
| Psolidium kharlamenkoi | Panina, Stepanov & Martynov, 2021 | |
| Psolidium normani | O'Loughlin & Ahearn, 2008 | |
| Psolidium ornatum | Perrier, 1893 | |
| Psolidium panamense | Ludwig, 1894 | |
| Psolidium pawsoni | O'Loughlin & Ahearn, 2008 | |
| Psolidium planum | Deichmann, 1941 | |
| Psolidium poriferum | (Studer, 1876) | |
| Psolidium schnabelae | O'Loughlin & Ahearn, 2008 | |
| Psolidium tenue | Mortensen, 1925 | |
| Psolus antarcticus | Philippi, 1857 | Antarctic rock sea cucumber |
| Psolus arnaudi | Cherbonnier, 1974 | |
| Psolus boholensis | Semper, 1868 | |
| Psolus charcoti | Vaney, 1906 | |
| Psolus cherbonnieri | Carriol & Féral, 1985 | |
| Psolus chitinoides | Clark, 1901 | Slipper sea cucumber |
| Psolus complanatus | Semper, 1868 | |
| Psolus diomedeae | Ludwig, 1893 | |
| Psolus dubiosus | Ludwig & Heding, 1935 | |
| Psolus ephippifer | Thompson, 1876 | |
| Psolus fabricii | Düben & Koren, 1846 | Scarlet psolus |
| Psolus hypsinotus | Heding, 1942 | |
| Psolus japonicus | Östergren, 1898 | |
| Psolus koehleri | Vaney, 1914 | |
| Psolus macrolepis | Fisher, 1907 | |
| Psolus marcusi | Tommasi, 1971 | |
| Psolus neozolanicus | Mortensen, 1925 | |
| Psolus paradubiosus | Carriol & Féral, 1985 | Basket rock sea cucumber |
| Psolus parvulus | Cherbonnier, 1974 | |
| Psolus patagonicus | unspecified | Patagonian rock sea cucumber |
| Psolus peronii | Bell, 1883 | |
| Psolus phantapus | (Strussenfelt, 1765) | Arctic armored cucumber |
| Psolus pourtalesii | Théel, 1886 | |
| Psolus segregatus | Perrier, 1905 | |
| Psolus solidus | Massin, 1987 | |
| Psolus squamatus | (Koren, 1844) | White creeping pedal sea cucumber |
| Psolus tessellatus | Koehler, 1896 | |
| Psolus tuberculosus | unspecified | |
| Psolus valvatus | unspecified | |
| Psolus vitoriae | Tommasi, 1971 |