• Ceratiopsis De Wildeman, 1896 (uncertain > nomen dubium) [Family: Ceratiomyxaceae]
• Ceratiopsis Vozzhennikova in Ju.A. Orlov, 1963 † accepted as Cerodinium T.F. Vozzhennikova in Ju.A. Orlov, 1963 † [Family: Peridiniaceae]
• Ceratiopsis diebeli (Alberti) Vozzhennikova
• Ceratiopsis diebelii (Alberti, 1959) Vozzhennikova †
• Ceratiopsis leptoderma Vozzhennikova
• Ceratiopsis markovii Vozzhennikova
• Ceratiopsis obliquipes (Deflandre & Cookson) Lentin & G.L. Williams
• Ceratiopsis speciosa (Alberti, 1959) Lentin & Williams †