1. Species Cassidulina akseli Digas, 1972
2. Species Cassidulina alabamensis Bandy, 1949 †
3. Species Cassidulina alata Seguenza, 1880 †
4. Species Cassidulina albemarlensis Mcculloch, 1977
5. Species Cassidulina algida Cushman, 1944 accepted as Islandiella algida (Cushman, 1944) (unaccepted > superseded combination, Opinion of Miller (1993))
6. Species Cassidulina alternans Yabe & Hanzawa, 1925 accepted as Globocassidulina elegans (Sidebottom, 1910) (unaccepted > junior subjective synonym, Subjective junior synonym Opinion of Hasegawa and Nomura (1995))
7. Species Cassidulina angulosa Cushman, 1933 accepted as Paracassidulina angulosa (Cushman, 1933)
8. Species Cassidulina arata Finlay, 1939 † accepted as Globocassidulina arata (Finlay, 1939) †
9. Species Cassidulina arenasensis Cushman & Bermúdez, 1936 †
10. Species Cassidulina armosa Bandy, 1949 †
11. Species Cassidulina asanoi Uchio, 1950
12. Species Cassidulina auka Boltovskoy & Theyer, 1970
13. Species Cassidulina australis Phleger & Parker, 1951 accepted as Islandiella australis (Phleger & Parker, 1951) (Type species of Cassidulita which is synonymised to Islandiella)
14. Species Cassidulina barbara Buzas, 1965 †
15. Species Cassidulina barbarana Cushman & Kleinpell, 1934 †
16. Species Cassidulina biora Crespin, 1960 accepted as Globocassidulina biora (Crespin, 1960) (unaccepted > superseded combination)
17. Species Cassidulina bogdanowiczi Konenkova, 2001 †
18. Species Cassidulina bradshawi Uchio, 1960 accepted as Cassidulina reniforme Nørvang, 1945 (Subjective junior synonym in opinion of Kawagata and Kamihashi (2016))
19. Species Cassidulina bradyi Norman, 1881 accepted as Evolvocassidulina bradyi (Norman, 1881) (Opinion of Nomura (1983))
20. Species Cassidulina bradyi Serova, 1955 † (accepted > unreplaced junior homonym, Primary junior homonym of Cassidulina bradyi Norman, 1881 [C. bradyi Serova, 1955 refers to C. laevigata sensu Brady (1884), which was interpreted as C. teretis Tappan, 1951 by Barker (1960) and Jones (1994), a potential senior synonym])
21. Species Cassidulina braziliensis Cushman, 1922
22. Species Cassidulina brevis Aoki, 1968 accepted as Evolvocassidulina brevis (Aoki, 1968) (Opinion of Xu and Ujiie (1994))
23. Species Cassidulina brocha Poag, 1966 accepted as Globocassidulina brocha (Poag, 1966) (unaccepted > superseded combination, Opinion of Nomura (1983), Hasegawa and Nomura (1995))
24. Species Cassidulina bulbiformis Krasheninnikov, 1959 †
25. Species Cassidulina bulloides Pobedina, Voroshilova, Rybina & Kuznetsova, 1956 †
26. Species Cassidulina butonensis Keyzer, 1953 †
27. Species Cassidulina calabra (Seguenza, 1880) † accepted as Burseolina calabra Seguenza, 1880 † (Type species of Burseolina)
28. Species Cassidulina caledoniana McCulloch, 1981
29. Species Cassidulina californica Cushman & Hughes, 1925 accepted as Islandiella californica (Cushman & Hughes, 1925) (Opinion of Ujiie & Kusukawa, 1969)
30. Species Cassidulina carandelli Colom, 1943 †
31. Species Cassidulina carapitana Hedberg, 1937 †
32. Species Cassidulina caribbeanica McCulloch, 1981
33. Species Cassidulina caribeana Redmond, 1953 †
34. Species Cassidulina carinata Silvestri, 1896
35. Species Cassidulina caucasica Subbotina, 1952 †
36. Species Cassidulina caudriae Cushman & Stainforth, 1945 †
37. Species Cassidulina charlottensis Cushman, 1925 accepted as Robertina charlottensis (Cushman, 1925) accepted as Robertinoides charlottensis (Cushman, 1925) (Opinion of Cushman (1933))
38. Species Cassidulina chipolensis Cushman & Ponton, 1932 † accepted as Cassigerinella chipolensis (Cushman & Ponton, 1932) †
39. Species Cassidulina clavata Brady, 1884 accepted as Orthoplecta clavata (Brady, 1884)
40. Species Cassidulina (Orthoplecta) clavata Brady, 1884 accepted as Orthoplecta clavata (Brady, 1884)
41. Species Cassidulina complanata Voloshinova, 1952 † accepted as Islandiella curvicamerata (Voloshinova, 1952) † (Subjective junior synonym Opinion of Voloshinova et al. (1970))
42. Species Cassidulina complanata Ujiié & Kusukawa, 1969 accepted as Globocassidulina complanata (Ujiié & Kusukawa, 1969) (Opinion of Nomura (1999) Junior homonym of Cassidulina complanata Voloshinova, 1952)
43. Species Cassidulina constellata Cushman & Bermúdez, 1936 †
44. Species Cassidulina convexilocula Subbotina, 1960 †
45. Species Cassidulina corbyi Cushman & Hughes, 1925 †
46. Species Cassidulina costatula Cushman, 1933
47. Species Cassidulina crassa d'Orbigny, 1839 accepted as Globocassidulina crassa (d'Orbigny, 1839)
48. Species Cassidulina crassipunctata Cushman & Hobson, 1935 †
49. Species Cassidulina crepidula Kuwano, 1954 †
50. Species Cassidulina crescentaperta Arnal, 1984 †
51. Species Cassidulina cretacea Cushman, 1931
52. Species Cassidulina crispula Cushman & Bermúdez, 1936 †
53. Species Cassidulina crista Pishvanova, 1958 †
54. Species Cassidulina crustosa Saidova, 1975
55. Species Cassidulina cruysi Marks, 1951 †
56. Species Cassidulina cuneata Finlay, 1940 † accepted as Globocassidulina cuneata (Finlay, 1940) †
57. Species Cassidulina curvata Phleger & Parker, 1951
58. Species Cassidulina curvatiformis McCulloch, 1977
59. Species Cassidulina curvicamerata Voloshinova, 1952 † accepted as Islandiella curvicamerata (Voloshinova, 1952) † (Opinion of Voloshinova et al. (1970))
60. Species Cassidulina cushmani Stewart & Stewart, 1930 accepted as Takayanagia cushmani (Stewart & Stewart, 1930) (Opinion of Setoyama and Kaminski (2015))
61. Species Cassidulina deafueraensis McCulloch, 1977
62. Species Cassidulina decorata Sidebottom, 1910 represented as Globocassidulina decorata (Sidebottom, 1910)
63. Species Cassidulina delicata Cushman, 1927 accepted as Takayanagia delicata (Cushman, 1927)
64. Species Cassidulina delicatiformis (McCulloch, 1977)
65. Species Cassidulina depressa Asano & Nakamura, 1937 accepted as Globocassidulina depressa (Asano & Nakamura, 1937)
66. Species Cassidulina detierraensis McCulloch, 1977
67. Species Cassidulina devonica Chapman, 1921 †
68. Species Cassidulina differens McCulloch, 1977
69. Species Cassidulina diversa Cushman & Stone, 1949 †
70. Species Cassidulina dominicana Bermúdez, 1949 †
71. Species Cassidulina elegans Sidebottom, 1910 accepted as Globocassidulina elegans (Sidebottom, 1910)
72. Species Cassidulina elegantissima Cushman, 1925
73. Species Cassidulina excavata Voloshinova, 1952 accepted as Islandiella excavata (Voloshinova, 1952) (Opinion of Voloshinova et al. (1970))
74. Species Cassidulina gakhensis Serova, 2001 †
75. Species Cassidulina galvinensis Cushman & Frizzell, 1940 †
76. Species Cassidulina gemma Todd, 1954 accepted as Globocassidulina gemma (Todd, 1954) (unaccepted > superseded combination, Opinion of Belford (1966))
77. Species Cassidulina globosa Hantken, 1875 accepted as Globocassidulina globosa (Hantken, 1875) (Opinion of Cicha et al. (1998))
78. Species Cassidulina globulosa Egger, 1857 † (uncertain > taxon inquirendum, probably a senior synonym of Cassigerinella chipolensis in opinion of Pearson et al (2018))
79. Species Cassidulina havanensis Cushman & Bermúdez, 1936 †
80. Species Cassidulina hoodensis McCulloch, 1977
81. Species Cassidulina imamurai Tai, 1959 †
82. Species Cassidulina inconspicua Hussey, 1949 †
83. Species Cassidulina inexculta Franzenau, 1890 † accepted as Burseolina inexculta (Franzenau, 1890) † (unaccepted > superseded combination, Opinion of Popescu (2006))
84. Species Cassidulina inflata Gudina, 1966 accepted as Islandiella inflata (Gudina, 1966) (Opinion of Feyling-Hanssen (1976))
85. Species Cassidulina inflata LeRoy, 1944 accepted as Lernella inflata (LeRoy, 1944) (Opinion of Nomura (1983))
86. Species Cassidulina inflatiformis McCulloch, 1977
87. Species Cassidulina insueta Cushman, 1947
88. Species Cassidulina islandica Nørvang, 1945 accepted as Islandiella islandica (Nørvang, 1945) accepted as Islandiella algida (Cushman, 1944) (Opinion of Nørvang (1958))
89. Species Cassidulina izuensis Aoki, 1967
90. Species Cassidulina jamesoni McCulloch, 1977 accepted as Globocassidulina jamesoni (McCulloch, 1977)
91. Species Cassidulina japonica Asano & Nakamura, 1937 accepted as Islandiella japonica (Asano & Nakamura, 1937) (unaccepted > superseded combination, Opinion of Nomura (1983), Hasegawa and Nomura (1995))
92. Species Cassidulina jonesiana Brady, 1881 accepted as Ceratobulimina jonesiana (Brady, 1881)
93. Species Cassidulina kasiwazakiensis Husezima & Maruhasi, 1944 accepted as Cassidulita kasiwazakiensis (Husezima & Maruhasi, 1944) accepted as Islandiella kasiwazakiensis (Husezima & Maruhasi, 1944)
94. Species Cassidulina kattoi Takayanagi, 1953 accepted as Globocassidulina kattoi (Takayanagi, 1953) (Opinion of Zheng & Fu, 2008)
95. Species Cassidulina kazusaensis Asano & Nakamura, 1937 † accepted as Islandiella kazusaensis (Asano & Nakamura, 1937) † (unaccepted > superseded combination, Opinion of Nomura (1983), Hasegawa and Nomura (1995))
96. Species Cassidulina kernensis Smith, 1956 †
97. Species Cassidulina labiata Cushman & Bermúdez, 1936 †
98. Species Cassidulina laevigata d'Orbigny, 1826
99. Species Cassidulina laticamerata Voloshinova, 1939 † accepted as Islandiella laticamerata (Voloshinova, 1939) † (Opinion of Voloshinova et al. (1970))
100. Species Cassidulina lens Earland, 1934 †
101. Species Cassidulina limbata Cushman & Hughes, 1925
102. Species Cassidulina lineocorrugata McCulloch, 1977
103. Species Cassidulina lobatula Kaiho, 1984 †
104. Species Cassidulina lobulata McCulloch, 1977
105. Species Cassidulina lomitensis Galloway & Wissler, 1927
106. Species Cassidulina magna Voloshinova, 1952 †
107. Species Cassidulina margareta Karrer, 1877 †
108. Species Cassidulina marshallana Todd, 1954 accepted as Burseolina marshallana (Todd, 1954)
109. Species Cassidulina mene Todd, 1970 †
110. Species Cassidulina menneri Serova, 1984 †
111. Species Cassidulina mexicana Cushman, 1922 accepted as Cassidulinoides mexicana (Cushman, 1922)
112. Species Cassidulina micae (Saidova, 1975)
113. Species Cassidulina minuta Cushman, 1933 accepted as Globocassidulina minuta (Cushman, 1933) accepted as Paracassidulina minuta (Cushman, 1933)
114. Species Cassidulina miocenica Voloshinova & Borovleva, 1952 † accepted as Islandiella miocenica (Voloshinova & Borovleva, 1952) † (Opinion of Voloshinova et al. (1970))
115. Species Cassidulina miuraensis (Higuchi, 1956) accepted as Cassidulinoides miuraensis Higuchi, 1956 accepted as Paracassidulina miuraensis (Higuchi, 1956)
116. Species Cassidulina modeloensis Rankin Ms., 1934 † accepted as Islandiella modeloensis (Rankin Ms., 1934) † (Opinion of Finger and Lipps (1990))
117. Species Cassidulina moluccensis Germeraad, 1946
118. Species Cassidulina monicana Cushman & Kleinpell, 1934 †
119. Species Cassidulina monicaniformis McCulloch, 1977
120. Species Cassidulina monstruosa Voloshinova, 1952 †
121. Species Cassidulina moodysensis Cushman & Todd, 1945 †
122. Species Cassidulina multicamerata Keyzer, 1953 †
123. Species Cassidulina nakamurai Uchio, 1950 †
124. Species Cassidulina neocarinata Thalmann, 1950 accepted as Paracassidulina neocarinata (Thalmann, 1950) (Opinion of Seidenkrantz (1995))
125. Species Cassidulina neoteretis Seidenkrantz, 1995
126. Species Cassidulina nipponensis (Eade, 1969) accepted as Paracassidulina nipponensis (Eade, 1969) (Type species of Paracassidulina)
127. Species Cassidulina nitidula (Chaster) em. Heron-Allen & Earland, 1913 † accepted as Pninaella nitidula (Chaster, 1892)
128. Species Cassidulina nojimana Kuwano, 1954 †
129. Species Cassidulina norcrossi Cushman, 1933 accepted as Islandiella norcrossi (Cushman, 1933) (unaccepted > superseded combination, Opinion of Norvang (1959))
130. Species Cassidulina norvangi Thalmann, 1952 accepted as Cassidulina reniforme Nørvang, 1945 (Subjective junior synonym of C. reniforme in opinion of Hayward et al. (2010))
131. Species Cassidulina oblonga Reuss, 1850 accepted as Globocassidulina oblonga (Reuss, 1850) (Opinion of Cicha et al. (1998))
132. Species Cassidulina obtusa Williamson, 1858
133. Species Cassidulina okawaensis Yoshida, 1958 †
134. Species Cassidulina okinawaensis LeRoy, 1964 † accepted as Globocassidulina okinawaensis (LeRoy, 1964) † (Opinion of Nomura (1983))
135. Species Cassidulina orientale Cushman, 1925 accepted as Globocassidulina nipponensis Eade, 1969 accepted as Paracassidulina nipponensis (Eade, 1969) (unaccepted > junior homonym, Junior homonym of Cassidulina orientalis Cushman, 1922)
136. Species Cassidulina orientalis Cushman, 1922 accepted as Evolvocassidulina orientalis (Cushman, 1922)
137. Species Cassidulina oshimai Aoki, 1967 accepted as Paracassidulina oshimai (Aoki, 1967)
138. Species Cassidulina ozawai Lipparini, 1930 †
139. Species Cassidulina pacifica Cushman, 1925 accepted as Burseolina pacifica (Cushman, 1925)
140. Species Cassidulina palmerae Bermúdez & Acosta, 1940
141. Species Cassidulina panzana Kleinpell, 1938 †
142. Species Cassidulina paratortuosa Kuwano, 1954 accepted as Globocassidulina paratortuosa (Kuwano, 1954)
143. Species Cassidulina parkeriana Brady, 1881 accepted as Cassidulinoides parkeriana (Brady, 1881) (Type species of Cassidulinoides)
144. Species Cassidulina parva Hussey, 1949 † accepted as Cassidulina inconspicua Hussey, 1949 † (unaccepted > junior homonym, Nomen novum in Hussey [Thalmann] (1949) Junior homonym of Cassidulina subglobosa var. parva Asano & Nakamura, 1937)
145. Species Cassidulina patula Cushman, 1933
146. Species Cassidulina penangensis McCulloch, 1977
147. Species Cassidulina perumbonata Keyzer, 1953
148. Species Cassidulina pilasensis McCulloch, 1977
149. Species Cassidulina planata Saidova, 1975
150. Species Cassidulina planulata McCulloch, 1977
151. Species Cassidulina porterensis Serova, 2001 †
152. Species Cassidulina pseudocrassa Hornibrook, 1961 † accepted as Globocassidulina pseudocrassa (Hornibrook, 1961) †
153. Species Cassidulina pulchella d'Orbigny, 1839
154. Species Cassidulina punctata Reuss, 1850 † accepted as Islandiella punctata (Reuss, 1850) † (Opinion of Cicha et al. (1998))
155. Species Cassidulina pupa d'Orbigny, 1839 accepted as Ehrenbergina pupa (d'Orbigny, 1839) (Opinion of Brady (1884))
156. Species Cassidulina pygmea Voloshinova, 1952 †
157. Species Cassidulina quadrata Cushman & Hughes, 1925
158. Species Cassidulina quasisulcata Belford, 1966 accepted as Takayanagia quasisulcata (Belford, 1966) (Opinion of Hatta & Ujiie, 1992)
159. Species Cassidulina radiata Chave, 1987
160. Species Cassidulina rarilocula Cushman, 1933
161. Species Cassidulina reflexa Galloway & Wissler, 1927 †
162. Species Cassidulina reniforme Nørvang, 1945
163. Species Cassidulina rossensis (Kennett, 1967) accepted as Globocassidulina rossensis Kennett, 1967 (unaccepted > superseded combination)
164. Species Cassidulina rotulita Poag, 1966 †
165. Species Cassidulina sagamiensis Asano & Nakamura, 1937 accepted as Paracassidulina sagamiensis (Asano & Nakamura, 1937) (Opinion of Nomura (1983))
166. Species Cassidulina sagmiensis Asano & Nakamura, 1937 accepted as Cassidulina sagamiensis Asano & Nakamura, 1937 accepted as Paracassidulina sagamiensis (Asano & Nakamura, 1937) (Incorrect spelling)
167. Species Cassidulina schuermanni Souaya, 1965 †
168. Species Cassidulina seca McCulloch, 1977
169. Species Cassidulina setanaensis Asano & Nakamura, 1937 accepted as Islandiella setanaensis (Asano & Nakamura, 1937) (Opinion of Nomura (1983), Hasegawa and Nomura (1995))
170. Species Cassidulina sicula Seguenza, 1862 †
171. Species Cassidulina simpsonsbayensis McCulloch, 1977
172. Species Cassidulina singularis Troitskaya, 1970
173. Species Cassidulina smechovi Voloshinova, 1952 † accepted as Islandiella smechovi (Voloshinova, 1952) † (Opinion of Voloshinova et al. (1970))
174. Species Cassidulina spinifera Cushman & Jarvis, 1929 †
175. Species Cassidulina spiniferiformis McCulloch, 1977
176. Species Cassidulina spiralis Natland, 1938
177. Species Cassidulina striatostoma Zheng, 1979
178. Species Cassidulina stschedrini Saidova, 1961
179. Species Cassidulina subacuta (Gudina, 1966)
180. Species Cassidulina subcalifornica Drooger, 1953 accepted as Globocassidulina subcalifornica (Drooger, 1953) accepted as Globocassidulina depressa (Asano & Nakamura, 1937) (unaccepted > superseded combination)
181. Species Cassidulina subcarinata Uchio, 1960
182. Species Cassidulina subcarpatica Ivanova, 1960 †
183. Species Cassidulina subglobosa Brady, 1881 accepted as Globocassidulina subglobosa (Brady, 1881) (Type species of Globocassidulina)
184. Species Cassidulina sublaevigata Hofker, 1956 †
185. Species Cassidulina sublimbata Asano & Nakamura, 1937 accepted as Islandiella sublimbata (Asano & Nakamura, 1937) (unaccepted > superseded combination, Opinion of Nomura (1983), Hasegawa and Nomura (1995))
186. Species Cassidulina subtumida Cushman, 1933
187. Species Cassidulina sulcata Belford, 1966 accepted as Paracassidulina sulcata (Belford, 1966)
188. Species Cassidulina symmetrica LeRoy, 1944 †
189. Species Cassidulina tarchanensis Khutsieva, 1952 †
190. Species Cassidulina teretis Tappan, 1951
191. Species Cassidulina thomsoni Conato & Segre, 1974 †
192. Species Cassidulina tomiyensis Uchio, 1951 accepted as Paracassidulina tomiyensis (Uchio, 1951)
193. Species Cassidulina tortuosa Cushman & Hughes, 1925
194. Species Cassidulina translucens Cushman & Hughes, 1925
195. Species Cassidulina tricamerata Galloway & Heminway, 1941 †
196. Species Cassidulina tumida Natland, 1938 (accepted > unreplaced junior homonym, Primary junior homonym of Cassidulina laevigata var. tumida Heron-Allen & Earland, 1922)
197. Species Cassidulina twiggsana Cushman, 1945 †
198. Species Cassidulina undata Kuwano, 1954 †
199. Species Cassidulina usitata Ivanova, 1960 †
200. Species Cassidulina valvulineriaformis Arnal, 1984 †
201. Species Cassidulina velaensis McCulloch, 1981
202. Species Cassidulina vestae Redmond, 1953 †
203. Species Cassidulina victoriensis Collins, 1974
204. Species Cassidulina vitalisi Majzon, 1948 † accepted as Globocassidulina vitalisi (Majzon, 1948) † (Opinion of Cicha et al. (1998))
205. Species Cassidulina vulgata McCulloch, 1977
206. Species Cassidulina wakasaensis Asano & Nakamura, 1937 accepted as Islandiella wakasaensis (Asano & Nakamura, 1937) (unaccepted > superseded combination, Opinion of Nomura (1983), Hasegawa and Nomura (1995))
207. Species Cassidulina wenmanensis Mcculloch, 1977
208. Species Cassidulina williami Kleinpell, 1938 †
209. Species Cassidulina winniana Howe, 1939 † accepted as Cassigerinella winniana (Howe, 1939) † accepted as Cassigerinella eocaenica Cordey, 1968 †
210. Species Cassidulina woodsi Smith, 1948 †
211. Species Cassidulina wordeni McCulloch, 1977
212. Species Cassidulina wrangellensis McCulloch, 1977
213. Species Cassidulina yabei Asano & Nakamura, 1937 accepted as Islandiella yabei (Asano & Nakamura, 1937) (unaccepted > superseded combination, Opinion of Nomura (1983), Hasegawa and Nomura (1995))
214. Species Cassidulina yubariensis Kaiho, 1984 †

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