1. Species Nonionella anticlea Saidova, 1975
2. Species Nonionella arubaensis McCulloch, 1981
3. Species Nonionella astricta McCulloch, 1965
4. Species Nonionella auricula Heron-Allen & Earland, 1930
5. Species Nonionella auris (d'Orbigny, 1839)
6. Species Nonionella basiloba Cushman & McCulloch, 1940
7. Species Nonionella basispinata (Cushman & Moyer, 1930)
8. Species Nonionella bradii (Chapman, 1916)
9. Species Nonionella cordiformis (Costa, 1856)
10. Species Nonionella differens McCulloch, 1981
11. Species Nonionella digitata Nørvang, 1945
12. Species Nonionella disgrega McCulloch, 1981
13. Species Nonionella excavata Collins, 1981
14. Species Nonionella fragilis Uchio, 1960
15. Species Nonionella globosa Ishiwada, 1950
16. Species Nonionella iridea Heron-Allen & Earland, 1932
17. Species Nonionella jacksonensis Cushman, 1933
18. Species Nonionella lata Cushman & Valentine, 1930
19. Species Nonionella magnalingua Finlay, 1940
20. Species Nonionella miocenica Cushman, 1926
21. Species Nonionella opima Cushman, 1947
22. Species Nonionella plauta McCulloch, 1981
23. Species Nonionella pulchella Hada, 1931
24. Species Nonionella simplex (McCulloch, 1977)
25. Species Nonionella stella Cushman & Moyer, 1930
26. Species Nonionella subchiliensis McCulloch, 1981
27. Species Nonionella translucens Cushman, 1933
28. Species Nonionella tredeca (Asano, 1936)
29. Species Nonionella vortex Collins, 1974
30. Species Nonionella aberrans Rhumbler, 1949 (unaccepted > nomen nudum)
31. Species Nonionella antarctica (Saidova, 1957) accepted as Nonionellina antarctica Saidova, 1975
32. Species Nonionella atlantica Cushman, 1947 accepted as Pseudononion japonicum Asano, 1936
33. Species Nonionella chiliensis Cushman & Kellett, 1929 accepted as Pseudononion chiliensis (Cushman & Kellett, 1929) (Opinion of Kawagata and Kamihashi (2016))
34. Species Nonionella communis (d'Orbigny, 1846) accepted as Nonion commune (d'Orbigny, 1846)
35. Species Nonionella decora Cushman & McCulloch, 1940 accepted as Pseudononion decorum (Cushman & McCulloch, 1940) (Opinion of Zheng & Fu, 2008)
36. Species Nonionella excavata (d'Orbigny, 1839) accepted as Lamarckina excavata (d'Orbigny, 1839)
37. Species Nonionella flemingi (Vella, 1957) accepted as Nonionellina flemingi (Vella, 1957)
38. Species Nonionella grateloupii (d'Orbigny, 1839) accepted as Nonionoides grateloupii (d'Orbigny, 1839)
39. Species Nonionella japonica (Asano, 1936) accepted as Pseudononion japonicum Asano, 1936
40. Species Nonionella japonica (Asano, 1938) accepted as Nonion asanoi (Whittaker & Hodgkinson, 1979) (unaccepted > junior homonym, Replacement name for Nonion japonicum Asano, 1938 considered a junior homonym of Pseudononion japonicum Asano, 1936 by Whittaker & Hodgkinson, 1979)
41. Species Nonionella labradorica (Dawson, 1860) accepted as Nonionellina labradorica (Dawson, 1860)
42. Species Nonionella limbatostriata Cushman, 1931 accepted as Pseudononion limbatostriatum (Cushman, 1931) (Opinion of Zheng & Fu, 2008)
43. Species Nonionella minuta (Parker, 1954) accepted as Valvulineria minuta Parker, 1954 (unaccepted > superseded combination)
44. Species Nonionella monicana Zalesny, 1959 accepted as Nonionella stella Cushman & Moyer, 1930 (unaccepted > junior subjective synonym, In opinion of Culver and Buzas (1986))
45. Species Nonionella parri Cushman, 1936 accepted as Zeaflorilus parri (Cushman, 1936) (unaccepted > superseded combination, Type species of Zeaflorilus)
46. Species Nonionella turgida (Williamson, 1858) accepted as Nonionoides turgidus (Williamson, 1858)

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