1. Species Microcystina angigyra Möllendorff, 1901
2. Species Microcystina annamitica (Möllendorff, 1898)
3. Species Microcystina appendiculata (Möllendorff, 1893)
4. Species Microcystina arabii Marzuki, T.-S. Liew & Mohd-Azlan, 2021
5. Species Microcystina aruensis (Tapparone Canefri, 1880)
6. Species Microcystina atoni Marzuki, T.-S. Liew & Mohd-Azlan, 2021
7. Species Microcystina bataiensis Vermeulen, Luu, Theary & Anker, 2019
8. Species Microcystina bintennensis Godwin-Austen, 1899
9. Species Microcystina bourguignatiana (Mabille & Le Mesle, 1866)
10. Species Microcystina brunii (Mörch, 1872)
11. Species Microcystina brunnescens Vermeulen, 1996
12. Species Microcystina callifera Vermeulen, T.-S. Liew & Schilthuizen, 2015
13. Species Microcystina cavernae Godwin-Austen, 1891
14. Species Microcystina chionodiscus Vermeulen, 1996
15. Species Microcystina circumlineata (Möllendorff, 1897)
16. Species Microcystina clarkae Maassen, 2000
17. Species Microcystina consobrina van Benthem Jutting, 1959
18. Species Microcystina cryptomphalus Godwin-Austen, 1882
19. Species Microcystina exigua (Möllendorff, 1897)
20. Species Microcystina exul Vermeulen, Luu, Theary & Anker, 2019
21. Species Microcystina fruhstorferi (Möllendorff, 1897)
22. Species Microcystina gerritsi van Benthem Jutting, 1964
23. Species Microcystina gratilla van Benthem Jutting, 1950
24. Species Microcystina harrietensis Godwin-Austen, 1882
25. Species Microcystina infima (Mabille, 1887)
26. Species Microcystina irregularis Möllendorff, 1902
27. Species Microcystina kilat Marzuki, T.-S. Liew & Mohd-Azlan, 2021
28. Species Microcystina leucocystis Möllendorff, 1901
29. Species Microcystina lirata Marzuki, T.-S. Liew & Mohd-Azlan, 2021
30. Species Microcystina lita Sykes, 1898
31. Species Microcystina mansonensis Möllendorff, 1901
32. Species Microcystina marginata Möllendorff, 1902
33. Species Microcystina messageri Ancey, 1904
34. Species Microcystina microrhynchus Vermeulen, T.-S. Liew & Schilthuizen, 2015
35. Species Microcystina minima (H. Adams, 1867)
36. Species Microcystina mirmido (Dautzenberg, 1894)
37. Species Microcystina moerchiana Godwin-Austen, 1882
38. Species Microcystina muscorum van Benthem Jutting, 1959
39. Species Microcystina nana (Möllendorff, 1897)
40. Species Microcystina obliquestriata Vermeulen, Luu, Theary & Anker, 2019
41. Species Microcystina opaca Möllendorff, 1901
42. Species Microcystina oswaldbrakeni Marzuki, T.-S. Liew & Mohd-Azlan, 2021
43. Species Microcystina paripari Marzuki, T.-S. Liew & Mohd-Azlan, 2021
44. Species Microcystina physotrochus Vermeulen, T.-S. Liew & Schilthuizen, 2015
45. Species Microcystina planiuscula Vermeulen, T.-S. Liew & Schilthuizen, 2015
46. Species Microcystina pudens Godwin-Austen, 1891
47. Species Microcystina radioplicata B. Rensch, 1930
48. Species Microcystina rinki (Mörch, 1872)
49. Species Microcystina rowsoni E. Gittenberger & van Bruggen, 2013
50. Species Microcystina schmackeriana (Möllendorff, 1883)
51. Species Microcystina seclusa Godwin-Austen, 1891
52. Species Microcystina sericata Vermeulen, Luu, Theary & Anker, 2019
53. Species Microcystina shevaroyana W. T. Blanford, 1904
54. Species Microcystina sicaveiensis (Heude, 1882)
55. Species Microcystina sinica Möllendorff, 1885
56. Species Microcystina stewarti Blanford, 1904
57. Species Microcystina striatula Vermeulen, T.-S. Liew & Schilthuizen, 2015
58. Species Microcystina stuarti W. T. Blanford, 1904
59. Species Microcystina subglobosa (Möllendorff, 1897)
60. Species Microcystina sublimis (Hedley, 1897)
61. Species Microcystina tongkingensis Möllendorff, 1901
62. Species Microcystina trochiscus (L. Pfeiffer, 1861)
63. Species Microcystina vernacula (Mabille, 1887)
64. Species Microcystina vitreiformis (Möllendorff, 1897)
65. Species Microcystina warnefordi Godwin-Austen, 1882
66. Subgenus Microcystina (Discoconulus) Reinhardt, 1883 accepted as Discoconulus Reinhardt, 1883
    1. Species Microcystina (Discoconulus) nuda Pilsbry & Y. Hirase, 1902 accepted as Discoconulus yakuensis (Pilsbry, 1902) (junior synonym)
67. Subgenus Microcystina (Microcystis) Beck, 1838 accepted as Microcystis H. Beck, 1838 (unaccepted rank)
    1. Species Microcystina (Microcystis) ambae Godwin-Austen, 1899 accepted as Microcystis ambae (Godwin-Austen, 1899) (original combination)
68. Species Microcystina acuta Pilsbry & Y. Hirase, 1905 accepted as Luchuconulus acuta (Pilsbry & Y. Hirase, 1905) (original combination)
69. Species Microcystina anijimana Pilsbry & Y. Hirase, 1905 accepted as Lamprocystis hahajimana anijimana (Pilsbry & Y. Hirase, 1905)
70. Species Microcystina bismarckiana Thiele, 1928 accepted as Microcystis bismarckiana (Thiele, 1928) (unaccepted > superseded combination)
71. Species Microcystina calcarata Hedley, 1891 accepted as Expocystis calcarata (Hedley, 1891) (original combination)
72. Species Microcystina circumdata Pilsbry, 1902 accepted as Yamatochlamys circumdata (Pilsbry, 1902) (original combination)
73. Species Microcystina consimilis E. A. Smith, 1896 accepted as Helicarion adolfi O. Boettger, 1890 (junior synonym)
74. Species Microcystina consueta E. A. Smith, 1896 accepted as Lamprocystis consueta (E. A. Smith, 1896) (original combination)
75. Species Microcystina crystallina (Möllendorff, 1887) accepted as Lamprocystis crystallina (Möllendorff, 1887) (unaccepted > superseded combination)
76. Species Microcystina edgariana Pilsbry & Y. Hirase, 1905 accepted as Luchuconulus edgariana (Pilsbry & Y. Hirase, 1905) (original combination)
77. Species Microcystina hahajimana Pilsbry, 1902 accepted as Lamprocystis hahajimana (Pilsbry, 1902) (original combination)
78. Species Microcystina hakonensis Pilsbry & Y. Hirase, 1905 accepted as Japanochlamys hakonensis (Pilsbry & Y. Hirase, 1905) (original combination)
79. Species Microcystina higashiyamana Pilsbry & Y. Hirase, 1903 accepted as Parakaliella higashiyamana (Pilsbry & Y. Hirase, 1903) (original combination)
80. Species Microcystina hiraseana Pilsbry, 1901 accepted as Ceratochlamys hiraseana (Pilsbry, 1901) (original combination)
81. Species Microcystina hokkaidonis Pilsbry & Y. Hirase, 1905 accepted as Nipponochlamys hokkaidonis (Pilsbry & Y. Hirase, 1905) (original combination)
82. Species Microcystina kumejimana Pilsbry & Y. Hirase, 1905 accepted as Yamatochlamys tanegashimae (Pilsbry, 1901) (junior synonym)
83. Species Microcystina lampra Pilsbry & Hirase, 1904 accepted as Yamatochlamys lampra (Pilsbry & Hirase, 1904) (original combination)
84. Species Microcystina lamprobasis Pilsbry & Hirase, 1906 accepted as Discoconulus lamprobasis (Pilsbry & Hirase, 1906) (original combination)
85. Species Microcystina lissobasis Pilsbry & Hirase, 1906 accepted as Discoconulus lissobasis (Pilsbry & Hirase, 1906) (original combination)
86. Species Microcystina mathildae (Preston, 1913) accepted as Microcystina minima (H. Adams, 1867)
87. Species Microcystina obscura Thiele, 1928 accepted as Microcystis obscura (Thiele, 1928) (unaccepted > superseded combination)
88. Species Microcystina perfucata (W. H. Benson, 1853) accepted as Macrochlamys perfucata (W. H. Benson, 1853) accepted as Tanychlamys perfucata (W. H. Benson, 1853) (unaccepted combination)
89. Species Microcystina radiata Pilsbry & Hirase, 1906 accepted as Discoconulus radiata (Pilsbry & Hirase, 1906) (original combination)
90. Species Microcystina radiatula (Möllendorff, 1897) accepted as Helicarion radiatulus (Möllendorff, 1897) (unaccepted > superseded combination)
91. Species Microcystina retardata B. Rensch, 1934 accepted as Inozonites retardatus (B. Rensch, 1934) (original combination)
92. Species Microcystina rubiginosa van Benthem Jutting, 1958 accepted as Benthemia rubiginosa (van Benthem Jutting, 1958) (unaccepted > superseded combination)
93. Species Microcystina saintjohni Godwin-Austen, 1891 accepted as Tanychlamys sanctijohni (Godwin-Austen, 1891) (unaccepted > superseded combination)
94. Species Microcystina sappho (Brazier, 1876) accepted as Expocystis sappho (Brazier, 1876) (unaccepted > superseded combination)
95. Species Microcystina st.johni Godwin-Austen, 1891 accepted as Tanychlamys sanctijohni (Godwin-Austen, 1891) (unaccepted > superseded combination, original combination)
96. Species Microcystina vaga Pilsbry & Hirase, 1904 accepted as Yamatochlamys vaga (Pilsbry & Hirase, 1904) (original combination)
97. Species Microcystina yakuensis Pilsbry, 1902 accepted as Discoconulus yakuensis (Pilsbry, 1902) (original combination)
98. Species Microcystina consors E. A. Smith, 1896 (uncertain > taxon inquirendum)

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