1. Subgenus Bairdia (Bairdia) M'Coy, 1844
2. Species Bairdia affinis Morris, 1845
3. Species Bairdia clippertonensis Allison & Holden, 1971
4. Species Bairdia concinna Terquem, 1878
5. Species Bairdia conformis (Terquem, 1878) Bonaduce, Ciampo & Masoli, 1976
6. Species Bairdia dubia Brady, 1911
7. Species Bairdia fornicata Terquem, 1878
8. Species Bairdia foveolata Brady, 1868
9. Species Bairdia fulva Brady, 1868
10. Species Bairdia hunaumaensis
11. Species Bairdia messanensis Seguenza, 1883
12. Species Bairdia minima Brady, 1880
13. Species Bairdia neoproblematica Hartmann, 1980
14. Species Bairdia numensis (Brady, 1890)
15. Species Bairdia ovalis (Brady, 1868) Percier, 1970
16. Species Bairdia problekatica Hartmann, 1974
17. Species Bairdia problematica Hartmann, 1974
18. Species Bairdia serrata Müller, 1894
19. Species Bairdia teeteri Allison & Holden, 1971
20. Species Bairdia yushu
21. Subgenus Bairdia (Neonesidea) Maddocks, 1969 accepted as Neonesidea Maddocks, 1969 (Accepted at genus level)
    1. Species Bairdia (Neonesidea) mutsuensis Ishizaki, 1971 accepted as Neonesidea mutsuensis Ishizaki, 1971
22. Species Bairdia abyssicola Brady, 1880 accepted as Bythocypris abyssicola (Brady, 1880) (superseded original combination)
23. Species Bairdia acanthigera Brady, 1868 accepted as Neonesidea acanthigera (Brady, 1868) (superseded original combination)
24. Species Bairdia acanthigera Brady, 1867 (unaccepted > nomen nudum)
25. Species Bairdia affinis Brady, 1886 accepted as Bythocypris affinis (Brady, 1886) (superseded original combination)
26. Species Bairdia amygdaloides Brady, 1880 accepted as Neonesidea amygdaloides (Brady, 1880)
27. Species Bairdia angulata Brady, 1870 accepted as Orlovibairdia angulata (Brady, 1870) (superseded original combination)
28. Species Bairdia angusta Sars, 1866 accepted as Macrocypria sarsi (Müller, 1912) (Junior objective synonym of Bairdia angusta Reuss, 1854; superseded combination)
29. Species Bairdia arcuata (Muenster, 1830) Bosquet, 1852 accepted as accepted as (misspelling)
30. Species Bairdia arostrata Kornicker, 1961 accepted as Paranesidea arostrata (Kornicker, 1961) (superseded original combination)
31. Species Bairdia attenuata Brady, 1880 accepted as Paranesidea attenuata (Brady, 1880) accepted as Neonesidea attenuata (Brady, 1880) (superseded original combination)
32. Species Bairdia bosquetiana Brady, 1866 accepted as Bythocypris bosquetiana (Brady, 1866) Brady & Norman, 1889 (superseded original combination)
33. Species Bairdia ceramensis Keij, 1953 accepted as Neonesidea ceramensis (Keij, 1953) (superseded original combination)
34. Species Bairdia complanata Brady, 1867 accepted as Bythocypris complanata (Brady, 1867) (superseded original combination)
35. Species Bairdia coronata Brady, 1870 accepted as Glyptobairdia coronata (Brady, 1870) (superseded original combination)
36. Species Bairdia corpulenta Müller, 1894 accepted as Neonesidea corpulenta (Müller, 1894) (superseded original combination)
37. Species Bairdia crosskeiana Brady, 1866 accepted as Neonesidea crosskeiana (Brady, 1866) (superseded original combination)
38. Species Bairdia decipiens Müller, 1894 accepted as Neonesidea decipiens (Müller, 1894) (superseded original combination)
39. Species Bairdia dewattrei Brady, 1869 accepted as Neonesidea dewattrei (Brady, 1869) Mckenzie et al., 1995 (superseded original combination)
40. Species Bairdia dinochelata Müller, 1894 accepted as Neonesidea dinochelata (Müller, 1894) (synonym)
41. Species Bairdia dinochelata Kornicker, 1961 accepted as Neonesidea dinochelata (Kornicker, 1961) (superseded original combination)
42. Species Bairdia elegans Brady, 1869 accepted as Neonesidea elegans (Brady, 1869) (superseded original combination)
43. Species Bairdia exaltata Brady, 1880 accepted as Zabythocypris exaltata (Brady, 1880) (superseded original combination)
44. Species Bairdia expansa Brady, 1880 accepted as Neonesidea expansa (Brady, 1880) (superseded original combination)
45. Species Bairdia fasciata Brady, 1870 accepted as Bairdiidae incertae sedis fasciata (Brady, 1970) (unaccepted > superseded combination, superseded original combination)
46. Species Bairdia folini Brady, 1886 accepted as Bythocypris folini (Brady, 1886) (superseded original combination)
47. Species Bairdia formosa Brady, 1868 accepted as Neonesidea formosa (Brady, 1868) (superseded original combination)
48. Species Bairdia fortificata Brady, 1880 accepted as Paranesidea fortificata (Brady, 1880) (superseded original combination)
49. Species Bairdia frequens Müller, 1894 accepted as Neonesidea frequens (Müller, 1894) (superseded original combination)
50. Species Bairdia fusca Brady, 1866 accepted as Neonesidea fusca (Brady, 1866) (superseded original combination)
51. Species Bairdia gerda Benson & Coleman, 1963 accepted as Neonesidea gerda (Benson & Coleman, 1963) (superseded original combination)
52. Species Bairdia gierloffi (Hartmann, 1959) accepted as Neonesidea gierloffi (Hartmann, 1959) (superseded recombination)
53. Species Bairdia gigacantha Kornicker, 1961 accepted as Paranesidea gigacantha (Kornicker, 1961) (superseded original combination)
54. Species Bairdia globulus Brady, 1880 accepted as Neonesidea globulus (Brady, 1880) (superseded original combination)
55. Species Bairdia harpago Kornicker, 1961 accepted as Paranesidea harpago (Kornicker, 1961) (superseded original combination)
56. Species Bairdia hirsuta Brady, 1880 accepted as Bairdoppilata hirsuta (Brady, 1880) (unaccepted > superseded combination)
57. Species Bairdia incognita Lerner-Seggev, 1964 accepted as Neonesidea incognita (Lerner-Seggev, 1964) (superseded original combination)
58. Species Bairdia inflata (Norman, 1862) accepted as Neonesidea inflata (Norman, 1862) (superseded recombination)
59. Species Bairdia inornata Scott, 1905 accepted as Neonesidea inornata (Scott, 1905) (superseded original combination)
60. Species Bairdia inornata Scott, 1894 (unaccepted > nomen nudum)
61. Species Bairdia labiata (Müller, 1908) accepted as Bairdoppilata labiata (Müller, 1908) (superseded recombination)
62. Species Bairdia lienenklausi Bold, 1966 accepted as Neonesidea lienenklausi (Bold, 1966) Mckenzie et al., 1979 (superseded original combination)
63. Species Bairdia longevaginata Müller, 1894 accepted as Neonesidea longevaginata (Müller, 1894) (superseded original combination)
64. Species Bairdia longisetosa Brady, 1902 accepted as Neonesidea longisetosa (Brady, 1902) (superseded original combination)
65. Species Bairdia mediterranea Müller, 1894 accepted as Neonesidea mediterranea (Müller, 1894) (superseded original combination)
66. Species Bairdia milneedwardsi Brady, 1869 accepted as Neonsidea milneedwardsi (Brady, 1869) (superseded original combination)
67. Species Bairdia minor Müller, 1894 accepted as Neonesidea minor (Müller, 1894) (superseded original combination)
68. Species Bairdia montensis Marliere, 1958 accepted as (new combination)
69. Species Bairdia nodulifera Brady, 1890 accepted as Paranesidea nodulifera (Brady, 1890) (superseded original combination)
70. Species Bairdia obliqvata Sars, 1866 accepted as Neonesidea obliqvata (Sars, 1866) Mckenzie et al., 1979 (superseded original combination)
71. Species Bairdia obscura Müller, 1894 accepted as Neonesidea obscura (Müller, 1894) (superseded original combination)
72. Species Bairdia obtusata Sars, 1866 accepted as Bythocypris obtusata (Sars, 1866) (superseded original combination)
73. Species Bairdia oligodentata Kajiyama, 1913 accepted as Neonesidea oligodentata (Kajiyama, 1913) (superseded original combination)
74. Species Bairdia phlegeri McKenzie & Swain, 1967 accepted as Neonesidea phlegeri (Mckenzie & Swain, 1967) (superseded original combination)
75. Species Bairdia raripila Müller, 1894 accepted as Triebelina raripila (Müller, 1894) (superseded original combination)
76. Species Bairdia reticulata Müller, 1894 accepted as Paranesidea reticulata (Müller, 1894) (superseded original combination)
77. Species Bairdia rhomboidea Brady, 1868 accepted as Neomonoceratina rhomboidea (Brady, 1868) (superseded original combination)
78. Species Bairdia rhomboidea Brady, 1870 accepted as Triebelina tuberculata (Brady, 1880) (Homonym of Bairdia rhomboidea Brady, 1868)
79. Species Bairdia robusta Scott, 1905 accepted as  † (superseded combination)
80. Species Bairdia roquebrunensis Rome, 1942 accepted as Neonesidea (Maddocksia) roquebrunensis (Rome, 1942) (new combination)
81. Species Bairdia schulzi (Hartmann, 1964) accepted as Neonesidea schulzi (Hartmann, 1964) (superseded combination)
82. Species Bairdia shulerae Puri, 1960 accepted as Paranesidea shulerae (Puri, 1960) (superseded original combination)
83. Species Bairdia simplex Brady, 1880 accepted as Bairdoppilata simplex (Brady, 1880) (superseded original combination)
84. Species Bairdia simuvillosa Swain, 1967 accepted as Neonesidea simuvillosa (Swain, 1967) (superseded original combination)
85. Species Bairdia subcircinata Brady & Norman, 1889 accepted as Neonesidea subcircinata (Brady & Norman, 1889) (superseded original combination)
86. Species Bairdia subdeltoidea (Muenster, 1830) accepted as Bairdoppilata subdeltoidea (Muenster, 1830) † (superseded recombination)
87. Species Bairdia tenera Brady, 1886 accepted as Neonesidea tenera (Brady, 1886) (superseded original combination)
88. Species Bairdia truncata Brady, 1890 accepted as Triebelina bradyi Triebel, 1948 † (Junior Synonym of Bairdia truncata Kikby, 1858)
89. Species Bairdia tuberculata Brady, 1880 accepted as Triebelina tuberculata (Brady, 1880) (superseded original combination)
90. Species Bairdia ventricosa Brady, 1890 accepted as Paranesidea ventricosa (Brady, 1890) (Homonym of Cythere (Bairdia) ventricosa Kirkby, 1858. Vew combination)
91. Species Bairdia victrix Brady, 1869 accepted as Bairdoppilata victrix (Brady, 1869) (superseded original combination)
92. Species Bairdia villosa Brady, 1880 accepted as Neonesidea villosa (Brady, 1880) (unaccepted > superseded combination, superseded original combination)
93. Species Bairdia woodwardiana Brady, 1880 accepted as Neonesidea woodwardiana (Brady, 1880) (superseded original combination)
94. Species Bairdia faveolata Brady, 1867 (uncertain > nomen dubium)
95. Species Bairdia pauensis (uncertain > nomen dubium)

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