1. Subfamily Epistomariinae Hofker, 1954
   1. Genus Asanonella Huang, 1965
   2. Genus Epistomaria Galloway, 1933 †
   3. Genus Hildemannia McCulloch, 1977
   4. Genus Patagiatella Loeblich & Tappan, 1994
   5. Genus Epistomella Cushman, 1928 accepted as Epistomaria Galloway, 1933 † (Homonym of Epistomella Zittel, 1878, a sponge (Galloway, 1933))
   6. Genus Monspeliensina Glaçon & Lys, 1968 accepted as Pseudoeponides Uchio in Kawai et al., 1950 (subjective junior synonym in opinion of Hayward et al. (2021))
   7. Genus Taxyella Anglada & Magné, 1969 † accepted as Monspeliensina Glaçon & Lys, 1968 accepted as Pseudoeponides Uchio in Kawai et al., 1950 (Subjective junior synonym Opinion of Loeblich & Tappan, 1987)
2. Subfamily Eponidellinae Seiglie & Bermúdez, 1965
   1. Genus Elphidioides Cushman, 1945 †
   2. Genus Eponidella Cushman & Hedberg, 1935
   3. Genus Paranonion Logue & Haas, 1943 accepted as Eponidella Cushman & Hedberg, 1935 (Subjective junior synonym Opinion of Loeblich & Tappan, 1987)
   4. Genus Pseudogyroidina Zheng, 1978 accepted as Eponidella Cushman & Hedberg, 1935 (Subjective junior synonym in opinion of Loeblich & Tappan, 1987)
3. Subfamily Nuttallidinae Saidova, 1981
   1. Genus Nuttallides Finlay, 1939
   2. Genus Nuttallinella Belford, 1959 †
   3. Genus Nuttallina Bedford, 1958 † accepted as Nuttallinella Belford, 1959 † (Nomen novum Homonymy with Nuttallina Dall, 1871)
4. Subfamily Palmerinellinae Loeblich & Tappan, 1984
   1. Genus Palmerinella Bermúdez, 1934
5. Genus Epistomariella Kuwano, 1950 accepted as Pseudoeponides Uchio in Kawai et al., 1950

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