1. Subfamily Cassidulininae d'Orbigny, 1839
   1. Genus Anticleina Saidova, 1975
   2. Genus Cassidulina d'Orbigny, 1826
   3. Genus Cassidulinoides Cushman, 1927
   4. Genus Evolvocassidulina Eade, 1967
   5. Genus Favocassidulina Loeblich & Tappan, 1957
   6. Genus Globocassidulina Voloshinova, 1960
   7. Genus Heterocassidulina McCulloch, 1977
   8. Genus Islandiella Nørvang, 1958
   9. Genus Lernella Saidova, 1975
   10. Genus Paracassidulina Nomura, 1983
   11. Genus Stichocassidulina Stone, 1946
   12. Genus Subsidebottomina McCulloch, 1977
   13. Genus Takayanagia Nomura, 1983
   14. Genus Bradynella Burmistrova, 1974 accepted as Globocassidulina Voloshinova, 1960 (Opinion of Loeblich & Tappan, 1987 nomen nudum)
   15. Genus Cassandra Gudina & Saidova, 1968 accepted as Islandiella Nørvang, 1958 (Subjective junior synonym Opinion of Loeblich & Tappan, 1987)
   16. Genus Cassidulita Sellier de Civrieux, 1969 accepted as Islandiella Nørvang, 1958 (subjective junior synonym in opinion of Loeblich & Tappan, 1987)
   17. Genus Cassilamellina Voloshinova, 1960 accepted as Islandiella Nørvang, 1958 (Opinion of Loeblich & Tappan, 1987)
   18. Genus Cassilongina Voloshinova, 1960 accepted as Globocassidulina Voloshinova, 1960 (Subjective junior synonym Opinion of Loeblich & Tappan, 1987)
   19. Genus Entrochus Ehrenberg, 1843 accepted as Cassidulina d'Orbigny, 1826 (Subjective junior synonym Opinion of Loeblich and Tappan (1987))
   20. Genus Planocassidulina Gudina, 1966 accepted as Islandiella Nørvang, 1958 (Subjective junior synonym Opinion of Loeblich & Tappan, 1987)
   21. Genus Selenostomum Ehrenberg, 1858 accepted as Cassidulina d'Orbigny, 1826 (Opinion of Loeblich & Tappan, 1987)
   22. Genus Sphaeroislandyella Burmistrova, 1974 accepted as Globocassidulina Voloshinova, 1960 (Opinion of Loeblich & Tappan, 1987)
2. Subfamily Ehrenbergininae Cushman, 1927
   1. Genus Burseolina Seguenza, 1880
   2. Genus Ehrenbergina Reuss, 1850
   3. Genus Reissia Loeblich & Tappan, 1964
   4. Genus Cassisphaerina Burmistrova, 1974 accepted as Burseolina Seguenza, 1880 (Name not available, no description, Loeblich & Tappan, 1987)
3. Subfamily Orthoplectinae Loeblich & Tappan, 1984
   1. Genus Orthoplecta Brady, 1884
4. Genus Cassidulinitella Saidova, 1975 accepted as Globocassidulina Voloshinova, 1960
5. Genus Cassisphaerina Saidova, 1975 accepted as Burseolina Seguenza, 1880 (Subjective junior synonym Opinion of Loeblich and Tappan (1987))
6. Genus Cushmanulla Saidova, 1975 accepted as Burseolina Seguenza, 1880 (Subjective junior synonym Opinion of Loeblich and Tappan (1987))
7. Genus Discoislandiella Saidova, 1975 accepted as Islandiella Nørvang, 1958 (unaccepted > junior subjective synonym, Subjective junior synonym Opinion of Loeblich and Tappan (1987))
8. Genus Lernina Saidova, 1975 accepted as Cassidulina d'Orbigny, 1826 (Subjective junior synonym Opinion of Loeblich and Tappan (1987))
9. Genus Rosaella Saidova, 1975 accepted as Islandiella Nørvang, 1958
10. Genus Smyrnella Saidova, 1975 accepted as Globocassidulina Voloshinova, 1960
11. Genus Sphaeroislandiella Saidova, 1975 accepted as Globocassidulina Voloshinova, 1960
12. Genus Spiniferella Saidova, 1975 accepted as Globocassidulina Voloshinova, 1960

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