1. Species Nystia acutispira Yen, 1969 †
2. Species Nystia allardi (Roman, 1912) †
3. Species Nystia aymardi (Tournouër, 1869) †
4. Species Nystia brunnackeri Schlickum & Strauch, 1979 †
5. Species Nystia compsensis (Roman, 1912) †
6. Species Nystia conoidalis Kadolsky & A. Morton, 2022 †
7. Species Nystia crassilabra (Matheron, 1843) †
8. Species Nystia degrangei Cossmann & Peyrot, 1919 †
9. Species Nystia dehmi Schlickum, 1978 †
10. Species Nystia duchastelii (Nyst, 1836) †
11. Species Nystia elongata (Neumayr, 1880) †
12. Species Nystia glibertheinzelini A. Janssen, 1980 †
13. Species Nystia gruenewaldi Schlickum, 1970 †
14. Species Nystia integra Kadolsky, 1993 †
15. Species Nystia lipoldi (Bittner, 1884) †
16. Species Nystia loxostoma (F. Sandberger, 1859) †
17. Species Nystia luminosa W. Yü, 1977 †
18. Species Nystia plicata (d'Archiac & Verneuil, 1845) †
19. Species Nystia pseudoplicata Glibert & de Heinzelin de Braucourt, 1952 †
20. Species Nystia pupiniformis (F. Sandberger, 1871) †
21. Species Nystia romani Cossmann, 1921 †
22. Species Nystia shansiensis Yen, 1969 †
23. Subgenus Nystia (Staadtiella) Schlickum, 1968 † accepted as Schuettemmericia Schlickum, 1961 † (unaccepted > junior subjective synonym)
    1. Species Nystia (Staadtiella) lenoiri Schlickum, 1968 † accepted as Schuettemmericia lenoiri (Schlickum, 1968) † (unaccepted > superseded combination)
    2. Species Nystia (Staadtiella) rubeschi (Reuss, 1849) † accepted as Staadtiellopsis rubeschi (Reuss, 1849) † (unaccepted > superseded combination)
24. Subgenus Nystia (Staadtiellopsis) Schlickum, 1968 † accepted as Staadtiellopsis Schlickum, 1968 † (unaccepted > superseded rank)
25. Species Nystia cirsochilus Cossmann & Pissarro, 1902 † accepted as Bouryia cirsochilus (Cossmann & Pissarro, 1902) †
26. Species Nystia cylindrata (Briart & Cornet, 1887) † accepted as Bouryia cylindrata (Briart & Cornet, 1887) † (unaccepted > superseded combination)
27. Species Nystia cylindrica Cossmann & Peyrot, 1919 † accepted as Bouryia cylindrica (Cossmann & Peyrot, 1919) † (unaccepted > superseded combination)
28. Species Nystia falunica Cossmann, 1895 † accepted as Glibertiella falunica (Cossmann, 1895) † (unaccepted > superseded combination)
29. Species Nystia gracilis (F. Sandberger, 1872) † accepted as Zilchiola gracilis (F. Sandberger, 1872) † (unaccepted > superseded combination)
30. Species Nystia haudinflata Cossmann, 1899 † accepted as Bouryia parisiensis (Deshayes, 1861) † (unaccepted > junior subjective synonym)
31. Species Nystia headonensis Curry, 1960 † accepted as Bouryia headonensis (Curry, 1960) † (unaccepted > superseded combination)
32. Species Nystia jeurensis (Bezançon, 1870) † accepted as Bouryia jeurensis (Bezançon, 1870) † (unaccepted > superseded combination)
33. Species Nystia lemani (Basterot, 1825) † accepted as Schuettemmericia lemani (Basterot, 1825) † (unaccepted > superseded combination)
34. Species Nystia microstoma (Deshayes, 1824) † accepted as Bouryia microstoma (Deshayes, 1824) † (unaccepted > superseded combination)
35. Species Nystia nincki Cossmann, 1913 † accepted as Bouryia nincki (Cossmann, 1913) †
36. Species Nystia pisidica (Oppenheim, 1919) † accepted as Bithynia pisidica Oppenheim, 1919 † (unaccepted > superseded combination)
37. Species Nystia planapicalis (F. Sandberger, 1862) † accepted as Floridiscrobs planapicalis (F. Sandberger, 1862) † (unaccepted > superseded combination)
38. Species Nystia pliocenica (Sacco, 1886) † accepted as Emmericia pliocenica (Sacco, 1886) † (unaccepted > superseded combination)
39. Species Nystia polita (F. E. Edwards, 1852) † accepted as Bouryia headonensis (Curry, 1960) † (unaccepted > junior homonym, junior homonym of Bulimus politus Reeve, 1850; Nystia headonensis Curry, 1960 is as replacement name; new combination)
40. Species Nystia pontileviensis de Morgan, 1920 † accepted as Bouryia pontileviensis (de Morgan, 1920) † (unaccepted > superseded combination)
41. Species Nystia tagica Roman, 1907 † accepted as Glibertiella tagica (Roman, 1907) † (unaccepted > superseded combination)
42. Species Nystia vardonica Roman, 1912 † accepted as Bouryia vardonica (Roman, 1912) † (unaccepted > superseded combination)
43. Subgenus Nystia (Nystia) Tournouër, 1869 † represented as Nystia Tournouër, 1869 †
    1. Species Nystia (Nystia) augusti Schlickum, 1975 † accepted as Schuettemmericia lenoiri (Schlickum, 1968) † (unaccepted > junior subjective synonym)
    2. Species Nystia (Nystia) gracilis (F. Sandberger, 1872) † accepted as Zilchiola gracilis (F. Sandberger, 1872) † (unaccepted > superseded combination)
    3. Species Nystia (Nystia) heroldi Schlickum, 1974 † accepted as Sandbergerina heroldi (Schlickum, 1974) † (unaccepted > superseded combination)
    4. Species Nystia (Nystia) brunnackeri Schlickum & Strauch, 1979 † represented as Nystia brunnackeri Schlickum & Strauch, 1979 †
    5. Species Nystia (Nystia) dehmi Schlickum, 1978 † represented as Nystia dehmi Schlickum, 1978 †
    6. Species Nystia (Nystia) glibertheinzelini A. Janssen, 1980 † represented as Nystia glibertheinzelini A. Janssen, 1980 †
    7. Species Nystia (Nystia) gruenewaldi Schlickum, 1970 † represented as Nystia gruenewaldi Schlickum, 1970 †
44. Species Nystia dudariensis Strausz, 1966 † (uncertain > taxon inquirendum)

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