• Enypniastes atlanticus (Heding, 1940)
• Enypniastes decipiens Koehler & Vaney, 1910 accepted as Enypniastes ecalcarea (Sluiter, 1901)
• Enypniastes diaphana (Gilchrist, 1920)
• Enypniastes ecalcarea (Sluiter, 1901)
• Enypniastes eximia Théel, 1882
• Enypniastes globosa Hansen & Madsen, 1956 accepted as Enypniastes eximia Théel, 1882
• Enypniastes obscura (Koehler & Vaney, 1905)
• Euriplastes atlanticus Heding, 1940 accepted as Enypniastes atlanticus (Heding, 1940)
• Euriplastes obscura Koehler & Vaney, 1905 accepted as Enypniastes obscura (Koehler & Vaney, 1905)
• Pelagothuria Bouvieri Hérouard, 1906 accepted as Enypniastes diaphana (Gilchrist, 1920)
• Pelagothuria ludwigi Chun, 1900 accepted as Pelagothuria natatrix Ludwig, 1893
• Pelagothuria natatrix Ludwig, 1893
• Planktothuria diaphana Gilchrist, 1920 accepted as Enypniastes eximia Théel, 1882