| Genus | Abrobairdia ♰
Chen, 1982
| 3 | Species |
| Genus | Abyssobairdia ♰
Coles & Whatley, 1989
| 1 | Species |
| Genus | Acratia ♰
Delo, 1930
| 71 | Species |
| Genus | Acratina ♰
Alonso-Zarazaga, Lyal, Bartolozzi & Sforzi, 1999
| 7 | Species |
| Genus | Actuaria ♰
Schneider in Schneider & al., 1956
| 2 | Species |
| Genus | Alatobairdia
Kristan-Tollmann, 1971
| 1 | Species |
| Genus | Altibairdia
Mikhailova, 1977
| 0 | Species |
| Genus | Anchistrocheles
G. S. Brady & Norman, 1889
| 23 | Species |
| Genus | Anisobairdia
| 2 | Species |
| Genus | Anxiania
Xie, 1989
| 1 | Species |
| Genus | Aponesidea
Maddocks, 1986
| 5 | Species |
| Genus | Araxobairdia
Gliwa, 2020
| 1 | Species |
| Genus | Arcibairdia
Gramm, 1997
| 2 | Species |
| Genus | Arcuaria
| 1 | Species |
| Genus | Arcyzona
Kesling, 1952
| 6 | Species |
| Genus | Bairdia ♰
Mccoy, 1844
| 598 | Species |
| Genus | Bairdiacratia ♰
Jiang, 1983
| 2 | Species |
| Genus | Bairdiacypris ♰
Bradfield, 1935
| 81 | Species |
| Genus | Bairdianella ♰
Harlton, 1929
| 10 | Species |
| Genus | Bairdiella
Egorova, 1960
| 2 | Species |
| Genus | Bairdiidae
incertae sedis, 1
| 1 | Species |
| Genus | Bairdiolites ♰
Croneis & Gale, 1938
| 8 | Species |
| Genus | Bairdopilata
| 1 | Species |
| Genus | Bairdoppilata
Coryell, Sample & Jennings, 1935
| 96 | Species |
| Genus | Bashkirobairdia
| 1 | Species |
| Genus | Bispinacratia ♰
Becker & Wang, 1992
| 2 | Species |
| Genus | Bohlenatia ♰
Gründel, 1962
| 2 | Species |
| Genus | Bolzibairdia
| 3 | Species |
| Genus | Borgerscottia
| 4 | Species |
| Genus | Brairdia ♰
M´Coy in Griffith, 1842
| 0 | Species |
| Genus | Burlella ♰
Coryell & Booth, 1934
| 1 | Species |
| Genus | Bythocypris ♰
G. S. Brady, 1880
| 181 | Species |
| Genus | Cardobairdia ♰
Bold, 1960
| 13 | Species |
| Genus | Carinobairdia
| 5 | Species |
| Genus | Ceratacratia ♰
Blumenstengel, 1965
| 0 | Species |
| Genus | Ceratobairdia ♰
Sohn, 1954
| 16 | Species |
| Genus | Cetollina ♰
Shi, 2002
| 1 | Species |
| Genus | Cincturacratia ♰
Loranger, 1963
| 0 | Species |
| Genus | Clinacratia ♰
Blumenstengel, 1979
| 0 | Species |
| Genus | Cooperacratia ♰
Loranger, 1963
| 0 | Species |
| Genus | Cornutobairdia ♰
Kristan-Tollmann, 1970
| 3 | Species |
| Genus | Cryptobairdia ♰
Sohn, 1960
| 35 | Species |
| Genus | Dhrumaella ♰
Depeche, le Nindre, Manivit & Vaslet, 1987
| 1 | Species |
| Genus | Dicerobairdia ♰
Kollmann, 1963
| 6 | Species |
| Genus | Edithobairdia
Forel, 2017
| 0 | Species |
| Genus | Entmema ♰
Hoare, Svitko & Sturgeon, 1999
| 0 | Species |
| Genus | Fabalicypris ♰
Brady, 1880
| 47 | Species |
| Genus | Glyptobairdia
Stephenson, 1946
| 5 | Species |
| Genus | Gravia
Polenova, 1952
| 3 | Species |
| Genus | Havanardia
Pokorny, 1968
| 12 | Species |
| Genus | Heterobairdia
Zhang, 0
| 2 | Species |
| Genus | Hiatobairdia ♰
Kristan-Tollmann, 1970
| 4 | Species |
| Genus | Histriabairdia
Forel, 2020
| 1 | Species |
| Genus | Hungarobairdia
| 2 | Species |
| Genus | Ideluralia
Antonietto & Brandão, 2023
| 2 | Species |
| Genus | Isobythocypris ♰
Apostolescu, 1959
| 8 | Species |
| Genus | Kempfia ♰
Crasquin, 2009
| 2 | Species |
| Genus | Kempfina ♰
Crasquin, 2010
| 4 | Species |
| Genus | Krausella ♰
Ulrich, 1894
| 12 | Species |
| Genus | Lamellacratia ♰
Kozur, 1985
| 1 | Species |
| Genus | Lanczichebairdia ♰
Gramm, 1997
| 1 | Species |
| Genus | Liuzhinia ♰
Zheng, 1976
| 14 | Species |
| Genus | Lobobairdia ♰
Kollmann, 1963
| 7 | Species |
| Genus | Loculibairdia ♰
Colin & Damotte, 1985
| 0 | Species |
| Genus | Margarobairdia
Kristan-Tollmann, 1978
| 0 | Species |
| Genus | Medwenitschia
Kollmann, 1963
| 1 | Species |
| Genus | Mirabairdia ♰
Kollmann, 1963
| 6 | Species |
| Genus | Monsmirabilia ♰
Apostolescu, 1955 ⇒ Cuneocythere
| 3 | Species |
| Genus | Mydionobairdia
Titterton & Whatley, 1988
| 3 | Species |
| Genus | Nenesidea
| 1 | Species |
| Genus | Neobairdiolites ♰
Kollmann, 1963
| 1 | Species |
| Genus | Neonesidae
Maddocks, 1969
| 1 | Species |
| Genus | Neonesidea
Maddocks, 1969
| 135 | Species |
| Genus | Neonesidia
Maddocks, 1969
| 1 | Species |
| Genus | Neonsidea
| 1 | Species |
| Genus | Nesidea
Costa, 1849 ⇒ Neonesidea
| 38 | Species |
| Genus | Nodobairdia ♰
Kollmann, 1963
| 3 | Species |
| Genus | Oculobairdoppilata ♰
Van Itterbeeck, Morsi, Horne & Speijer, 2007
| 1 | Species |
| Genus | Orthobairdia ♰
Sohn, 1960
| 24 | Species |
| Genus | Papillatabairdia
Bentley, 1982
| 4 | Species |
| Genus | Parabairdia ♰
Kollmann, 1960
| 0 | Species |
| Genus | Parabairdiacypris ♰
Polenova, 1970
| 5 | Species |
| Genus | Parabairdiolites ♰
Kozur, 1985
| 2 | Species |
| Genus | Paraglyptobairdia
| 2 | Species |
| Genus | Paramacrocypris ♰
Kozur, 1985
| 3 | Species |
| Genus | Paranesidea
Maddocks, 1969
| 59 | Species |
| Genus | Paraspinobairdia
| 1 | Species |
| Genus | Paratriebelina
| 1 | Species |
| Genus | Parurobairdia
| 1 | Species |
| Genus | Parvicyathus
Kozur, 1994
| 1 | Species |
| Genus | Petasobairdia ♰
Chen, 1982
| 15 | Species |
| Genus | Peteraurila
Aruta & Ruggieri, 1980
| 2 | Species |
| Genus | Praelobobairdia ♰
| 3 | Species |
| Genus | Praeptychobairdia
| 2 | Species |
| Genus | Praezabythocypris ♰
Kozur, 1985
| 5 | Species |
| Genus | Primitia ♰
Jones & Holl, 1865
| 89 | Species |
| Genus | Processobairdia ♰
Blumenstengel, 1965
| 4 | Species |
| Genus | Pterobairdia
McKenzie & Key, 1977
| 3 | Species |
| Genus | Ptychobairdia ♰
Kollmann, 1960
| 16 | Species |
| Genus | Pustulobairdia ♰
Sohn, 1960
| 6 | Species |
| Genus | Rectobairdia ♰
Sohn, 1960
| 21 | Species |
| Genus | Rectonaria ♰
Gründel, 1961
| 3 | Species |
| Genus | Rhombonesidea
| 1 | Species |
| Genus | Robsoniella ♰
Kuznetsova, 1956
| 3 | Species |
| Genus | Schyroconcha
| 3 | Species |
| Genus | Silus
Polenova, 1968
| 1 | Species |
| Genus | Sinabairdia
Becker & Wang, 1992
| 1 | Species |
| Genus | Spinobairdia ♰
Morris & Hill, 1952
| 2 | Species |
| Genus | Triebelina
Bold, 1946
| 43 | Species |
| Genus | Truncobairdia
| 1 | Species |
| Genus | Urobairdia ♰
Kollmann, 1963
| 5 | Species |
| Genus | Vanganardia
Gramm, 1997
| 3 | Species |
| Genus | Vavilovella
Kozur, 1973
| 0 | Species |
| Genus | Xixionopsis ♰
Becker & Sanchez de Posada, 1977
| 0 | Species |
| Genus | Zabythocypris
Maddocks, 1969
| 11 | Species |
