1. Subfamily Carychiinae Jeffreys, 1830
   1. Genus Carychiella Strauch, 1977
   2. Genus Carychiopsina Kadolsky, 2020 †
   3. Genus Carychiopsis F. Sandberger, 1872 †
   4. Genus Carychium O. F. Müller, 1773
   5. Genus Coilostele W. H. Benson, 1864
   6. Genus Iberozospeum Jochum, Kneubühler, Prieto & Neubert, 2022
   7. Genus Koreozospeum Jochum & Prozorova, 2015
   8. Genus Ovicarychium Kadolsky, 2020 †
   9. Genus Turricarychium Kadolsky, 2020 †
   10. Genus Zospeum Bourguignat, 1856
   11. Genus Zuella Kadolsky, 2020 †
   12. Genus Auricella Jurine, 1817 accepted as Carychium O. F. Müller, 1773
   13. Genus Auriculina Moquin-Tandon, 1856 accepted as Carychium O. F. Müller, 1773
   14. Genus Carichium [sic] accepted as Carychium O. F. Müller, 1773 (incorrect subsequent spelling)
   15. Genus Saraphia Risso, 1826 accepted as Carychium O. F. Müller, 1773 (junior synonym)
   16. Genus Speozoum Hamann, 1896 accepted as Zospeum Bourguignat, 1856
   17. Genus Vindobonia Handmann, 1882 † accepted as Carychium O. F. Müller, 1773 (unaccepted > junior subjective synonym)
2. Genus Cretacopupa X.-H. Yu, 1987 †
3. Subfamily Ellobiinae L. Pfeiffer, 1854 (1822)
   1. Genus Auriculinella Tausch, 1886 †
   2. Genus Blauneria Shuttleworth, 1854
   3. Genus Ellobium Röding, 1798
   4. Genus Eoellobium Harzhauser, Pacaud & Landau, 2023 †
   5. Genus Leucophytia Winckworth, 1949
   6. Genus Auricula Lamarck, 1799 accepted as Ellobium Röding, 1798
   7. Genus Auriculina Kobelt, 1898 accepted as Ellobium (Auriculodes) Strand, 1928 represented as Ellobium Röding, 1798 (invalid: junior homonym of Auriculina Grateloup, 1838; Auriculodes is a replacement name)
   8. Genus Auriculodes Strand, 1928 accepted as Ellobium (Auriculodes) Strand, 1928 represented as Ellobium Röding, 1798
   9. Genus Auriculus Montfort, 1810 accepted as Ellobium Röding, 1798 (unjustified emendation of Auricula)
   10. Genus Autonoe Guppy, 1868 accepted as Ellobium (Auriculodes) Strand, 1928 represented as Ellobium Röding, 1798 (invalid: junior homonym of Autonoe Leach, 1852 [Bivalvia]; Autonoella Wenz, 1947, is a replacement name)
   11. Genus Autonoella Wenz, 1947 accepted as Ellobium (Auriculodes) Strand, 1928 represented as Ellobium Röding, 1798 (unaccepted > junior subjective synonym)
   12. Genus Conovulus Lamarck, 1816 accepted as Melampus Montfort, 1810
   13. Genus Geovula Swainson, 1840 accepted as Ellobium Röding, 1798 (objective synonym of Ellobium)
   14. Genus Leuconia Gray, 1840 accepted as Leucophytia Winckworth, 1949 (Invalid: junior homonym of Leuconia Grant, 1833 [Porifera]; Leucopepla and Leucophytia are replacement names)
   15. Genus Leucopepla Peile, 1926 accepted as Leucophytia Winckworth, 1949 (Replacement name for Leuconia Gray, 1840, non Grant, 1833; invalid: junior homonym of Leucopepla Kirkaldy, 1907)
4. Genus Eozaptychius X.-H. Yu, 1987 †
5. Genus Juramarinula Bandel, 1991 †
6. Genus Leopoldium Bandel & F. Riedel, 1994 †
7. Subfamily Melampodinae W. Stimpson, 1851 (1850)
   1. Genus Melampus Montfort, 1810
   2. Genus Tralia J. E. Gray, 1840
   3. Genus Detracia Gray, 1840 accepted as Melampus (Detracia) Gray, 1840 represented as Melampus Montfort, 1810
   4. Genus Pira H. Adams & A. Adams, 1855 accepted as Melampus Montfort, 1810
   5. Genus Rhodostoma Swainson, 1840 accepted as Cassidula A. Férussac, 1821
   6. Genus Tifata H. Adams & A. Adams, 1855 accepted as Melampus (Detracia) Gray, 1840 represented as Melampus Montfort, 1810 (unaccepted > junior subjective synonym)
8. Genus Melampoides Yen, 1951 †
9. Genus Mesauriculstra Yen, 1952 †
10. Genus Mesochilina Yen, 1951 †
11. Genus Palaeoleuca Wenz, 1922 †
12. Subfamily Pedipedinae P. Fischer & Crosse, 1880
    1. Genus Creedonia Frias Martins, 1996
    2. Genus Leuconopsis F. W. Hutton, 1883
    3. Genus Marinula P. P. King, 1832
    4. Genus Microtralia Dall, 1894
    5. Genus Pedipes A. Férussac, 1821
    6. Genus Pseudomelampus Pallary, 1900
    7. Genus Sulcomarinula Sacco, 1897 †
    8. Genus Cremnobates Swainson, 1855 accepted as Marinula P. P. King, 1832 (unaccepted > junior subjective synonym)
    9. Genus Maripythia Iredale, 1936 accepted as Marinula P. P. King, 1832 (unavailable name: no description)
    10. Genus Rangitotoa A. W. B. Powell, 1933 accepted as Microtralia Dall, 1894
    11. Genus Sarnia H. Adams & A. Adams, 1855 (temporary name, Sarnia [H. & A. Adams, 1855 (September), The Genera of Recent Mollusca, 2: 239] is an incorrect subsequent spelling of Siona H. Adams & A. Adams, 1855 which is a junior homonym of Siona Duponchel, 1829 [Lepidoptera]. )
13. Genus Proauricula Huckriede, 1967 †
14. Genus Proauriculastra Bandel, 1991 †
15. Genus Proplecotrema O. Boettger, 1892 †
16. Subfamily Pythiinae Odhner, 1925
    1. Genus Allochroa Ancey, 1887
    2. Genus Auriculastra E. von Martens, 1880
    3. Genus Cassidula A. Férussac, 1821
    4. Genus Laemodonta R. A. Philippi, 1846
    5. Genus Myosotella Monterosato, 1906
    6. Genus Ophicardelus H. Beck, 1838
    7. Genus Ovatella Bivona e Bernardi, 1832
    8. Genus Pleuroloba Hyman, Rouse & Ponder, 2005
    9. Genus Pythia Röding, 1798
    10. Genus Alexia Leach, 1847 accepted as Myosotella Monterosato, 1906 (Invalid: junior homonym of Alexia Stephens, 1833 [Coleoptera]; Nealexia is a replacement name)
    11. Genus Cassidulella Thiele, 1934 accepted as Cassidula (Cassidulta) Strand, 1942 represented as Cassidula A. Férussac, 1821 (invalid: junior homonym of Cassidulella Strand, 1928 [Coleoptera]; Cassidulta is a replacement names)
    12. Genus Cassidulina Thiele, 1931 accepted as Cassidula (Cassidulta) Strand, 1942 represented as Cassidula A. Férussac, 1821 (invalid: junior homonym of Cassidulina d'Orbigny, 1826 [Foraminifera]; Cassidulella and Cassidulta are replacement names)
    13. Genus Cassidulus Beck, 1838 accepted as Cassidula A. Férussac, 1821 (Invalid: unjustified emendation of Cassidula Férussac, 1821, and also junior homonym of Cassidulus Lamarck, 1801 [Echinodermata])
    14. Genus Cylindrotis Möllendorff, 1895 accepted as Auriculastra E. von Martens, 1880
    15. Genus Laimodonta H. Adams & A. Adams, 1855 accepted as Laemodonta R. A. Philippi, 1846 (unjustified emendation of original genus name Laemodonta Philippi, 1846)
    16. Genus Melosidula B. J. Smith & Kershaw, 1979 accepted as Cassidula (Cassidula) A. Férussac, 1821 represented as Cassidula A. Férussac, 1821
    17. Genus Monica H. Adams & A. Adams, 1855 accepted as Ovatella Bivona e Bernardi, 1832
    18. Genus Nealexia Wenz, 1920 accepted as Myosotella Monterosato, 1906
    19. Genus Phytia accepted as Pythia Röding, 1798 (Incorrect subsequent spelling)
    20. Genus Plecotrema H. Adams & A. Adams, 1854 accepted as Laemodonta (Laemodonta) R. A. Philippi, 1846 represented as Laemodonta R. A. Philippi, 1846
    21. Genus Scarabus Montfort, 1810 accepted as Pythia Röding, 1798 (junior synonym)
    22. Genus Volatela Starobogatov, 1993 accepted as Myosotella Monterosato, 1906
17. Genus Pythiopsis F. Sandberger, 1870 †
18. Genus Rhytophorus Meek, 1871 †
19. Genus Semiauricula Cossmann, 1889 †
20. Genus Stolidoma Deshayes, 1863 †
21. Genus Tournouerella Munier-Chalmas, 1887 †
22. Genus Traliopsis F. Sandberger, 1870 †
23. Subfamily Zaptychiinae Wenz, 1938 †
    1. Genus Zaptychius Walcott, 1883 †
24. Genus Apodosis Pilsbry & T. L. McGinty, 1949 accepted as Leuconopsis F. W. Hutton, 1883 (junior synonym)
25. Subfamily Cassidulinae Odhner, 1925 accepted as Pythiinae Odhner, 1925
26. Genus Macrodonta Deshayes, 1861 † accepted as Stolidoma Deshayes, 1863 † (unaccepted > junior homonym, junior homonym of Macrodonta O.G. Costa, 1846; Stolidoma is a replacement name)
27. Subfamily Melampinae W. Stimpson, 1851 (1850) accepted as Melampodinae W. Stimpson, 1851 (1850) (incorrectly formed name)
28. Subfamily Scarabinae P. Fischer & Crosse, 1880 accepted as Pythiinae Odhner, 1925
29. Genus Sidula Gray, 1840 accepted as Cassidula A. Férussac, 1821 (a junior synonym)
30. Genus Stolidomopsis F. Sandberger, 1875 † accepted as Stolidoma (Stolidomopsis) F. Sandberger, 1875 † represented as Stolidoma Deshayes, 1863 †
31. Genus Stoliodoma [sic] † accepted as Stolidoma Deshayes, 1863 † (unaccepted > misspelling)
32. Genus Tortacella C. A. White, 1895 † accepted as Zaptychius Walcott, 1883 † (unaccepted > junior subjective synonym)
33. Genus Tournoueria Munier-Chalmas, 1884 † accepted as Tournouerella Munier-Chalmas, 1887 † (junior homonym of Tournoueria Brusina, 1870; Tournouerella is a replacement name)

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