• Diplopsalis Bergh, 1881 [Family: Protoperidiniaceae]
• Diplopsalis Sclater, 1866 accepted as Hydropsalis Wagler, 1832 [Family: Caprimulgidae]
• Diplopsalis acuta (Apstein) Entz, 1904
• Diplopsalis ambiguum (Thompson) Bourrelly, 1970
• Diplopsalis asymmetrica Drebes & Elbrachter, 1976 accepted as Dissodium asymmetricum (Mangin) Loeblich III, 1970 accepted as Diplopsalopsis bomba (Stein ex Jorgensen) J.D. Dodge & S. Toriumi, 1993
• Diplopsalis behningii Lindemann, 1927 accepted as Glenodinium behningii (Lindemann) Kisseleva
• Diplopsalis borealis Paulsen
• Diplopsalis brevis Abé accepted as Boreadinium breve (Abé) Sournia, 1984
• Diplopsalis excentrica Nie, 1943 accepted as Dissodium excentricum (Nie) Loeblich, 1970
• Diplopsalis hainanensis Nie, 1943 accepted as Oblea torta (Abé) Balech ex Sournia, 1973
• Diplopsalis lebourae (Nie, 1943) Balech, 1967
• Diplopsalis lebouriae (Nie) Balech, 1967
• Diplopsalis lenticula Bergh, 1882
• Diplopsalis lenticula Stein accepted as Dissodium asymmetricum (Mangin) Loeblich III, 1970 accepted as Diplopsalopsis bomba (Stein ex Jorgensen) J.D. Dodge & S. Toriumi, 1993
• Diplopsalis minima Mangin
• Diplopsalis minor (Paulsen) Lindemann, 1927 accepted as Preperidinium meunieri (Pavillard) Elbrächter, 1993
• Diplopsalis minor (Paulsen) Margalef
• Diplopsalis minor Wood, 1968 accepted as Zygabikodinium lenticulatum Loeblich Jr. & Loeblich III, 1970 accepted as Preperidinium meunieri (Pavillard) Elbrächter, 1993
• Diplopsalis minuta Mangin, 1912
• Diplopsalis orbicularis Steidinger & Williams, 1970 accepted as Diplopsalopsis orbicularis (Paulsen) Meunier, 1910
• Diplopsalis ostenfeldii Steemann Nielsen
• Diplopsalis ovum (Matvienko) Bourrelly, 1970
• Diplopsalis parvum (Abé) Abé, 1981 accepted as Dissodium parvum T.H. Abé, 1941 accepted as Diplopelta parva (T.H. Abé) K. Matsuoka, 1988
• Diplopsalis pilula Ostenfeld, 1908
• Diplopsalis pingii D. Nie
• Diplopsalis rotunda Wood, 1968 accepted as Oblea rotunda (Lebour) Balech ex Sournia, 1973
• Diplopsalis rotundata Steidinger & Williams, 1970 accepted as Oblea rotunda (Lebour) Balech ex Sournia, 1973
• Diplopsalis sphaerica Meunier, 1910
• Diplopsalis torta Abé, 1941 accepted as Oblea torta (Abé) Balech ex Sournia, 1973