1. Species Robulus aperturus Saidova, 1975
2. Species Robulus atomiformis McCulloch, 1981
3. Species Robulus calcariformis McCulloch, 1981
4. Species Robulus capelavelaensis McCulloch, 1981
5. Species Robulus convergiformis McCulloch, 1981
6. Species Robulus ecarinatus McCulloch, 1981
7. Species Robulus elongatus Saidova, 1975
8. Species Robulus evolutus Saidova, 1975 (accepted > unreplaced junior homonym, Primary junior homonym of Robulus evolutus LeRoy, 1941)
9. Species Robulus galeriana McCulloch, 1981
10. Species Robulus lavelaensis McCulloch, 1981
11. Species Robulus limbosensis Saidova, 1975
12. Species Robulus lucidiformis McCulloch, 1981
13. Species Robulus orbiculariformis McCulloch, 1981
14. Species Robulus pasquaensis Saidova, 1975
15. Species Robulus pavlovski Shchedrina, 1956
16. Species Robulus perennus Saidova, 1975
17. Species Robulus profundus Saidova, 1975
18. Species Robulus tropicus Saidova, 1975
19. Species Robulus virginiae McCulloch, 1981
20. Subgenus Robulus (Hemirobulina) Lys, 1952 accepted as Hemirobulina Stache, 1864 (Nom. transl.)
21. Species Robulus asymetricus Saidova, 1975 accepted as Lenticulina asymetricus (Saidova, 1975)
22. Species Robulus atlanticus Barker, 1960 accepted as Lenticulina atlantica (Barker, 1960)
23. Species Robulus bowdenensis (Cushman, 1919) accepted as Lenticulina bowdenensis (Cushman, 1919)
24. Species Robulus calcar (Linnaeus, 1758) accepted as Lenticulina calcar (Linnaeus, 1758)
25. Species Robulus clericii (Fornasini, 1895) accepted as Lenticulina clericii (Fornasini, 1895) (Opinion of Todd and Low (1976))
26. Species Robulus complanatus Saidova, 1975 accepted as Lenticulina complanatus (Saidova, 1975)
27. Species Robulus costatus (Fichtel & Moll, 1798) accepted as Lenticulina costata (Fichtel & Moll, 1798) accepted as Spincterules costatus (Fichtel & Moll, 1798) accepted as Spincterules anaglyptus Loeblich & Tappan, 1987
28. Species Robulus crassus (d'Orbigny, 1846) accepted as Lenticulina crassa (d'Orbigny, 1846) accepted as Lenticulina subcrassa (d'Orbigny, 1852)
29. Species Robulus cultratus Montfort, 1808 accepted as Lenticulina cultrata (Montfort, 1808) (Opinion of Rögl and Hansen (1984))
30. Species Robulus cushmani Galloway & Wissler, 1927 accepted as Lenticulina cushmani (Galloway & Wissler, 1927)
31. Species Robulus denticulifer (Cushman, 1913) accepted as Lenticulina denticulifera (Cushman, 1913)
32. Species Robulus depressus Asano, 1938 accepted as Lenticulina depressa (Asano, 1938)
33. Species Robulus domantayi McCulloch, 1977 accepted as Lenticulina domantayi (McCulloch, 1977)
34. Species Robulus echinatus (d'Orbigny, 1846) accepted as Lenticulina echinata (d'Orbigny, 1846) (unaccepted > superseded combination)
35. Species Robulus expansus (Cushman, 1917) accepted as Lenticulina expansa (Cushman, 1917)
36. Species Robulus formosus (Cushman, 1923) accepted as Lenticulina formosa (Cushman, 1923)
37. Species Robulus gibbus (d'Orbigny, 1839) accepted as Lenticulina gibba (d'Orbigny, 1839)
38. Species Robulus gutticostatus (Gümbel, 1870) accepted as Lenticulina gutticostata (Gümbel, 1870)
39. Species Robulus hedbergi Cushman & Renz, 1941 accepted as Lenticulina hedbergi (Cushman & Renz, 1941)
40. Species Robulus hoppoensis Nakamura, 1937 accepted as Lenticulina hoppoensis (Nakamura, 1937) (Opinion of Huang (1994))
41. Species Robulus iotus (Cushman, 1923) accepted as Lenticulina iota (Cushman, 1923)
42. Species Robulus kotiensis Asano, 1938 accepted as Lenticulina kotiensis (Asano, 1938) (Opinion of Zheng & Fu, 2008)
43. Species Robulus larvus (Stache, 1864) accepted as Lenticulina larva (Stache, 1864)
44. Species Robulus limbosus (Reuss, 1863) accepted as Lenticulina limbosa (Reuss, 1863)
45. Species Robulus lowmani Andersen, 1961 accepted as Lenticulina lowmani (Andersen, 1961)
46. Species Robulus lucidus (Cushman, 1923) accepted as Lenticulina lucida (Cushman, 1923) accepted as Lenticulina atlantica (Barker, 1960)
47. Species Robulus nigriseptus (Koch, 1926) accepted as Lenticulina nigrisepta (Koch, 1926)
48. Species Robulus nikobarensis (Schwager, 1866) accepted as Lenticulina nikobarensis (Schwager, 1866)
49. Species Robulus occidentalis (Cushman, 1923) accepted as Astacolus occidentalis (Cushman, 1923) accepted as Neolenticulina occidentalis (Cushman, 1923)
50. Species Robulus orbicularis (d'Orbigny, 1826) accepted as Lenticulina orbicularis (d'Orbigny, 1826)
51. Species Robulus papillosus (Fichtel & Moll, 1798) accepted as Lenticulina papillosa (Fichtel & Moll, 1798) (unaccepted > superseded combination)
52. Species Robulus pseudorotulatus Asano, 1938 accepted as Lenticulina pseudorotulata (Asano, 1938) (Opinion of McDougall (1981), Zheng & Fu, 2008)
53. Species Robulus reniformis (d'Orbigny, 1846) accepted as Vaginulinopsis reniformis (d'Orbigny, 1846)
54. Species Robulus rotulatus (Lamarck, 1804) accepted as Lenticulina rotulata (Lamarck, 1804) (unaccepted > superseded combination)
55. Species Robulus sagamiensis Asano, 1938 accepted as Lenticulina sagamiensis (Asano, 1938)
56. Species Robulus serpens (Seguenza, 1880) accepted as Cribrorobulina serpens (Seguenza, 1880)
57. Species Robulus stephensoni Cushman, 1939 accepted as Lenticulina stephensoni (Cushman, 1939)
58. Species Robulus strongi Church, 1929 accepted as Lenticulina strongi (Church, 1929)
59. Species Robulus subconvergens Saidova, 1975 accepted as Lenticulina subconvergens (Saidova, 1975) (Opinion of Debenay and Cabioch (2007))
60. Species Robulus submamilligerus (Cushman, 1917) accepted as Lenticulina submamilligera (Cushman, 1917)
61. Species Robulus thalmanni Hessland, 1943 accepted as Lenticulina thalmanni (Hessland, 1943) (Opinion of Jones (1994))
62. Species Robulus tortugaensis McCulloch, 1981 accepted as Lenticulina tortugaensis (McCulloch, 1981) (Opinion of Kaithwar et al. (2020))
63. Species Robulus tumidocostatus (Cushman, 1917) accepted as Lenticulina tumidocostata (Cushman, 1917)
64. Species Robulus tumidus Asano, 1938 accepted as Lenticulina tumida (Asano, 1938) (Opinion of Zheng & Fu, 2008)
65. Species Robulus vortex (Fichtel & Moll, 1798) accepted as Lenticulina vortex (Fichtel & Moll, 1798)

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