Mesorbitolina oculata (Douglass, 1960) † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina (Columnorbitolina) alticonica Zhang, 1982 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina (Columnorbitolina) equisepimenta Zhang, 1986 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina (Columnorbitolina) lepida Zhang, 1982 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina (Columnorbitolina) microsphaerica Zhang, 1982 † accepted as Mesorbitolina birmanica (Sahni, 1937) † (source of synonymy)
Orbitolina (Columnorbitolina) orientala Zhang, 1982 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina (Columnorbitolina) rutogensis Zhang, 1982 † accepted as Mesorbitolina tibetica (Cotter, 1929) † (source of synonymy)
Orbitolina (Columnorbitolina) scitula Zhang, 1982 † accepted as Mesorbitolina subconcava (Leymerie, 1878) † (source of synonymy)
Orbitolina (Eorbitolina) robusta Zhang, 1982 † (status source)
Orbitolina (Mesorbitolina) cotyliformis Zhang, 1986 † accepted as Orbitolina (Mesorbitolina) aperta (Erman, 1854) † accepted as Mesorbitolina aperta (Erman, 1854) † (source of synonymy)
Orbitolina (Mesorbitolina) erratica Cherchi, 1979 † accepted as Mesorbitolina tibetica (Cotter, 1929) † (source of synonymy)
Orbitolina (Mesorbitolina) irregularis Zhang, 1986 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina (Mesorbitolina) leymeriei Peybernès, 1982 † accepted as Mesorbitolina subconcava (Leymerie, 1878) † (source of synonymy)
Orbitolina (Mesorbitolina) maryoensis Zhang, 1986 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina (Mesorbitolina) regularis Zhang, 1986 † accepted as Mesorbitolina birmanica (Sahni, 1937) † (source of synonymy)
Orbitolina (Orbitolina) paeneconica Vial, 1973 † (status source)
Orbitolina (Orbitolina) toibaica Zhang, 1986 † accepted as Mesorbitolina aperta (Erman, 1854) † (source of synonymy)
Orbitolina (Palorbitolina) megasphaerica Zhang, 1982 † accepted as Palorbitolina lenticularis (Blumenbach, 1805) † (source of synonymy)
Orbitolina (Palorbitolina) umbellata Zhang, 1982 † accepted as Palorbitolina lenticularis (Blumenbach, 1805) † (source of synonymy)
Orbitolina anomala Prever, 1909 † (status source)
Orbitolina arenosa Mamontova, 1961 † (status source)
Orbitolina baconica Méhes, 1964 † (status source)
Orbitolina beremendensis Méhes, 1967 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina birmanica var. kutaungensis Sahni & Sastri, 1957 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina boehmi Prever, 1909 † (status source)
Orbitolina bulgarica var. janenschi Dietrich, 1925 † (status source)
Orbitolina chitralensis Sahni & Sastri, 1957 † accepted as Mesorbitolina tibetica (Cotter, 1929) † (source of synonymy)
Orbitolina choffati Prever, 1905 † (status source)
Orbitolina concava var. congesta Parker & Jones, 1860 (status source)
Orbitolina dinarica Pašić, 1962 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina discoideaconoidea var. ezoensis Yabe & Hanzawa, 1926 † (status source)
Orbitolina duranddelgai Schroeder, 1972 † (new combination reference)
Orbitolina gigantea d'Orbigny, 1850 † accepted as Cyclolites gigantea d'Orbigny, 1850 † (source of synonymy)
Orbitolina gracilis Douglass, 1960 † accepted as Mesorbitolina subconcava (Leymerie, 1878) † (source of synonymy)
Orbitolina grossa Douglass, 1960 † accepted as Mesorbitolina texana (Roemer, 1849) † (source of synonymy)
Orbitolina hukawgensis Sahni & Sastri, 1957 † (status source)
Orbitolina intermedia Prever, 1905 † (status source)
Orbitolina japonica Yabe & Hanzawa, 1926 † (status source)
Orbitolina japonica var. miyakoensis Yabe & Hanzawa, 1926 † (status source)
Orbitolina kashmirica Sahni & Sastri, 1957 † accepted as Palorbitolina lenticularis (Blumenbach, 1805) † (source of synonymy)
Orbitolina kashmirica var. burzilensis Sahni & Sastri, 1957 † (status source)
Orbitolina lamina Ho, 1976 † (status source)
Orbitolina mamillata (d'Archiac, 1850) † accepted as Conicorbitolina conica (d'Archiac, 1837) † (source of synonymy)
Orbitolina mamillata var. subaperta Astre, 1930 † (status source)
Orbitolina minuta Douglass, 1960 † (status source)
Orbitolina morelensis Ayala-Castañares, 1960 † accepted as Mesorbitolina subconcava (Leymerie, 1878) † (status source)
Orbitolina obesa Sahni & Sastri, 1957 † (status source)
Orbitolina parma Fossa-Mancini, 1928 † (status source)
Orbitolina paronai Prever, 1909 † (status source)
Orbitolina patula Carter, 1857 † (status source)
Orbitolina pauletensis Schroeder, 1962 † (new combination reference)
Orbitolina planoconvexa Yabe & Hanzawa, 1926 † (status source)
Orbitolina polymorpha Prever, 1909 † (status source)
Orbitolina polymorpha var. communis Prever, 1909 † (status source)
Orbitolina polymorpha var. franca Prever, 1909 † (status source)
Orbitolina polymorpha var. minima Prever, 1909 † (status source)
Orbitolina praeconica Méhes, 1964 † (status source)
Orbitolina radiata d'Orbigny, 1850 † (status source)
Orbitolina raoi Sahni & Sastri, 1957 † (status source)
Orbitolina santonica Eremeeva, 1961 † (status source)
Orbitolina serbica Pašić, 1962 † accepted as Mesorbitolina birmanica (Sahni, 1937) † (source of synonymy)
Orbitolina shikokuensis Yabe & Hanzawa, 1926 † accepted as Mesorbitolina subconcava (Leymerie, 1878) † (source of synonymy)
Orbitolina texana subsp. asaguana Hodson, 1926 † (status source)
Orbitolina texana subsp. monasagna Hodson, 1926 † (status source)
Orbitolina thompsoni Hodson, 1926 † (status source)
Orbitolina wadiai Sahni & Sastri, 1957 † (status source)
Orbitolina whitneyi Carsey, 1926 † (status source)
Orbitolites concava Lamarck, 1801 † (status source)
Orbitolites plana d'Archiac, 1837 † accepted as Orbitolina concava (Lamarck, 1816) † (status source)
Orbitulina venezuelana Karsten, 1886 † (status source)
Palorbitolina complanata (Zhang, 1982) † (new combination reference)
Palorbitolina lenticularis subsp. praecursor (Montanari, 1964) † accepted as Palorbitolina praecursor (Montanari, 1964) † (new combination reference)

 Status

 for Orbitolina minuta Douglass, 1960 †

Schroeder in Schroeder and Neumann (1985) included pl. 7 figs 9, 24-25 of Douglass (1960) into the synonymy of O. ... [details]