• Diplopeltopsis P. Hennings ex F. von Höhnel, 1911 accepted as Asterothyrium J. Müller Arg., 1890 [Family: Asterothyriaceae]
• Diplopeltopsis Pavillard, 1913 accepted as Preperidinium Mangin, 1913 [Family: Protoperidiniaceae]
• Diplopeltopsis granulosa Balech accepted as Preperidinium granulosum (Balech) Elbrächter, 1993
• Diplopeltopsis minor Pavillard, 1913 accepted as Preperidinium meunieri (Pavillard) Elbrächter, 1993
• Diplopeltopsis perlata Balech, 1971 accepted as Preperidinium perlatum (Balech) Elbrächter, 1993