1. Species Quinqueloculina agglutinans d'Orbigny, 1839
2. Species Quinqueloculina akneriana d'Orbigny, 1846
3. Species Quinqueloculina amygdaloides (Brady, 1884)
4. Species Quinqueloculina anguina Terquem, 1878
5. Species Quinqueloculina annectens (Schlumberger, 1893)
6. Species Quinqueloculina arctica Cushman, 1933
7. Species Quinqueloculina auberiana d'Orbigny, 1839
8. Species Quinqueloculina berthelotiana d'Orbigny, 1839
9. Species Quinqueloculina bicarinata d'Orbigny in Terquem, 1878
10. Species Quinqueloculina bidentata d'Orbigny, 1839
11. Species Quinqueloculina bosciana d'Orbigny, 1839
12. Species Quinqueloculina bradyana Cushman, 1917
13. Species Quinqueloculina carinatastriata (Wiesner, 1923)
14. Species Quinqueloculina concava Reuss, 1850
15. Species Quinqueloculina cuvieriana d'Orbigny, 1839
16. Species Quinqueloculina dimidiata Terquem, 1876
17. Species Quinqueloculina disciformis (MacGillivray, 1843) emend. Williamson, 1858
18. Species Quinqueloculina disparilis d'Orbigny in Schlumberger, 1893
19. Species Quinqueloculina dunkerquiana (Heron-Allen & Earland, 1930)
20. Species Quinqueloculina elongata Natland, 1938 (accepted > unreplaced junior homonym, Primary junior homonym of Quinqueloculina sarmatica var. elongata Karrer, 1877)
21. Species Quinqueloculina flexuosa d'Orbigny, 1839
22. Species Quinqueloculina goesi (Wiesner, 1923)
23. Species Quinqueloculina jugosa Cushman, 1944
24. Species Quinqueloculina laevigata d'Orbigny, 1839
25. Species Quinqueloculina lamarckiana d'Orbigny, 1839
26. Species Quinqueloculina lata Terquem, 1876
27. Species Quinqueloculina milletti (Wiesner, 1912)
28. Species Quinqueloculina nodulosa (Wiesner, 1923)
29. Species Quinqueloculina ovucula Terquem, 1876
30. Species Quinqueloculina padana Perconig, 1954
31. Species Quinqueloculina parvula Schlumberger, 1894
32. Species Quinqueloculina peregrina d'Orbigny, 1846 †
33. Species Quinqueloculina polygona d'Orbigny, 1839
34. Species Quinqueloculina pseudobuchiana Łuczkowska, 1974
35. Species Quinqueloculina pseudoseminula Mikhalevich, 1968
36. Species Quinqueloculina pulchella d'Orbigny, 1826
37. Species Quinqueloculina pygmaea Reuss, 1850
38. Species Quinqueloculina sadkovi (Bogdanowicz in Shchedrina, 1946)
39. Species Quinqueloculina schlumbergeri (Wiesner, 1923)
40. Species Quinqueloculina sclerotica Karrer, 1868
41. Species Quinqueloculina seminulum (Linnaeus, 1758)
42. Species Quinqueloculina semistriata d'Orbigny, 1850
43. Species Quinqueloculina sinuosa Terquem, 1878
44. Species Quinqueloculina stalkeri Loeblich & Tappan, 1953
45. Species Quinqueloculina subcarinata d'Orbigny in Terquem, 1878
46. Species Quinqueloculina tricarinella (Wiesner, 1923)
47. Species Quinqueloculina undosa Karrer, 1867
48. Species Quinqueloculina ungeriana d'Orbigny, 1846
49. Species Quinqueloculina variolata d'Orbigny in Terquem, 1878
50. Species Quinqueloculina venusta Karrer, 1868
51. Species Quinqueloculina viennensis Le Calvez & Le Calvez, 1958
52. Species Quinqueloculina vulgaris d'Orbigny, 1826
53. Species Quinqueloculina aspera d'Orbigny, 1826 accepted as Siphonaperta aspera (d'Orbigny, 1826)
54. Species Quinqueloculina bicarinata d'Orbigny, 1826 accepted as Quinqueloculina bicarinata d'Orbigny in Terquem, 1878 (Nomen nudum)
55. Species Quinqueloculina bicornis (Walker & Jacob, 1798) accepted as Adelosina bicornis (Walker & Jacob, 1798) (Quinqueloculina bicornis sensu Haynes, 1973 differs from Walker & Jacob, 1798 species)
56. Species Quinqueloculina cliarensis (Heron-Allen & Earland, 1930) accepted as Adelosina cliarensis (Heron-Allen & Earland, 1930) (superseded original combination)
57. Species Quinqueloculina contorta d'Orbigny, 1846 accepted as Cycloforina contorta (d'Orbigny, 1846) (Type species of Cycloforina)
58. Species Quinqueloculina denticulata Costa, 1856 accepted as Massilina secans var. denticulata (Costa, 1856) (Opinion of Earland (1905) [unclear if not a subjective junior synonym of M. secans; the denticulate keel is figured by d'Orbigny (in Fornasini). Le Coze (2021) pers. comm.])
59. Species Quinqueloculina depressa d'Orbigny, 1852 accepted as Adelosina depressa (d'Orbigny, 1852)
60. Species Quinqueloculina disparilis d'Orbigny, 1826 accepted as Quinqueloculina disparilis d'Orbigny in Schlumberger, 1893 (Nomen nudum)
61. Species Quinqueloculina dutemplei d'Orbigny, 1846 accepted as Adelosina dutemplei (d'Orbigny, 1846)
62. Species Quinqueloculina duthiersi (Schlumberger, 1886) accepted as Adelosina duthiersi Schlumberger, 1886 (Opinion of Pignatti (1996), Frontalini et al. (2014))
63. Species Quinqueloculina fusca Brady, 1870 accepted as Miliammina fusca (Brady, 1870) (Opinion of Brönnimann, Whittaker & Zaninetti, 1992)
64. Species Quinqueloculina intricata Terquem, 1878 accepted as Adelosina intricata (Terquem, 1878) (superseded original combination)
65. Species Quinqueloculina limbata d'Orbigny, 1826 accepted as Quinqueloculina limbata d'Orbigny in Fornasini, 1905 accepted as Pseudotriloculina limbata (d'Orbigny in Fornasini, 1905) (Nomen nudum)
66. Species Quinqueloculina limbata d'Orbigny in Fornasini, 1905 accepted as Pseudotriloculina limbata (d'Orbigny in Fornasini, 1905) (Opinion of Thissen & Langer (2017))
67. Species Quinqueloculina linneiana (d'Orbigny, 1839) accepted as Pseudotriloculina linneiana (d'Orbigny, 1839)
68. Species Quinqueloculina longirostra d'Orbigny, 1826 accepted as Adelosina longirostra (d'Orbigny, 1826) (Opinion of Wiesner (1923))
69. Species Quinqueloculina lucida Karrer, 1868 accepted as Siphonaperta lucida (Karrer, 1868)
70. Species Quinqueloculina milletti (Wiesner, 1923) accepted as Quinqueloculina milletti (Wiesner, 1912)
71. Species Quinqueloculina nussdorfensis d'Orbigny, 1846 accepted as Cycloforina nussdorfensis (d'Orbigny, 1846) †
72. Species Quinqueloculina oblonga (Montagu, 1803) accepted as Triloculina oblonga (Montagu, 1803)
73. Species Quinqueloculina osinclinatum Le Calvez & Le Calvez, 1958 accepted as Siphonaperta osinclinatum (Le Calvez & Le Calvez, 1958)
74. Species Quinqueloculina patagonica d'Orbigny, 1839 accepted as Pseudotriloculina patagonica (d'Orbigny, 1839) (Opinion of Loeblich and Tappan (1994))
75. Species Quinqueloculina pauperata d'Orbigny, 1846 accepted as Quinqueloculina akneriana d'Orbigny, 1846 (Subjective junior synonym Opinion of Łuczkowska (1974), Papp & Schmid (1985))
76. Species Quinqueloculina peruviana d'Orbigny, 1839 accepted as Massilina peruviana (d'Orbigny, 1839)
77. Species Quinqueloculina phoenicia (Martinotti, 1921) accepted as Adelosina phoenicia Martinotti, 1921
78. Species Quinqueloculina planciana (d'Orbigny, 1839) accepted as Affinetrina planciana (d'Orbigny, 1839)
79. Species Quinqueloculina planciana d'Orbigny, 1839 accepted as Lachlanella planciana (d'Orbigny, 1839) (Opinion of Cimerman and Langer (1991))
80. Species Quinqueloculina rugosa d'Orbigny, 1852 accepted as Cycloforina rugosa (d'Orbigny, 1852)
81. Species Quinqueloculina schreiberiana (d'Orbigny, 1839) accepted as Triloculina schreiberiana d'Orbigny, 1839 (Genus transfer)
82. Species Quinqueloculina seminula (Linnaeus, 1758) accepted as Quinqueloculina seminulum (Linnaeus, 1758) (Noun (Latin), seminulum is the dimunitive of semen (neuter), seed. See ICZN article 34.2.1.)
83. Species Quinqueloculina stelligera Schlumberger, 1893 accepted as Miliolina schlumbergeri Wiesner, 1923 accepted as Quinqueloculina schlumbergeri (Wiesner, 1923) (unaccepted > junior homonym, Junior homonym of Quinqueloculina stelligera Terquem, 1882)
84. Species Quinqueloculina subrotunda (Montagu, 1803) accepted as Miliolinella subrotunda (Montagu, 1803)
85. Species Quinqueloculina tubulosa Seguenza, 1862 accepted as Articulina tubulosa (Seguenza, 1862) (Opinion of Cushman (1944))
86. Species Quinqueloculina undulata d'Orbigny, 1852 accepted as Lachlanella undulata (d'Orbigny, 1852) (Opinion of Cimerman and Langer (1991))
87. Species Quinqueloculina angustidentata Terquem, 1882 † (uncertain > nomen dubium, Opinion of Le Calvez (1947) Unknown abnormal form)
88. Species Quinqueloculina canaliculata Terquem, 1878 (uncertain > nomen dubium, Probably belongs to the genus Spiroloculina. Very rare. Fossil (Pliocene).)
89. Species Quinqueloculina inconstans Terquem, 1878 accepted as Adelosina inconstans (Terquem, 1878) (uncertain > nomen dubium, Nomen dubium Opinion of Mangin (1960) [not valid][primary junior homonym of Quinqueloculina inconstans Terquem, 1874])
90. Species Quinqueloculina longidentata Terquem, 1882 (uncertain > taxon inquirendum, Opinion of Le Calvez (1947), unidentified juvenile)

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