• Echinocucumis adversaria Semper, 1867 accepted as Thorsonia adversaria (Semper, 1867)
• Echinocucumis asperrima Théel, 1886 accepted as Ypsilocucumis asperrima (Théel, 1886)
• Echinocucumis globosa (Ohshima, 1915)
• Echinocucumis hispida (Barrett, 1857)
• Echinocucumis kirrilyae O'Loughlin, 2009
• Echinocucumis multipodia Cherbonnier, 1965
• Echinocucumis paratypica Ludwig & Heding, 1935
• Echinocucumis praelonga (O'Loughlin)
• Echinocucumis sphaericum (Sluiter, 1901)
• Echinocucumis tenera Cherbonnier, 1958
• Echinocucumis typica M. Sars, 1859 accepted as Echinocucumis hispida (Barrett, 1857)
• Sphaerothuria bitentaculata Ludwig, 1893
• Sphaerothuria talismani (E. Perrier)
• Ypsilocucumis asperrima (Théel, 1886)
• Ypsilocucumis scotiae (Vaney, 1906)
• Ypsilocucumis turricata (Vaney, 1906)
• Ypsilothuria attenuata Perrier E, 1886
• Ypsilothuria bitentaculata (Ludwig, 1893) accepted as Sphaerothuria bitentaculata Ludwig, 1893
• Ypsilothuria talismani Perrier E, 1886