1. Species Baltisphaeridium admixtum Brideaux †
2. Species Baltisphaeridium angulosum Heisecke †
3. Species Baltisphaeridium aniae S.Jardiné, Combaz, Magloire, Peniguel & Vachey, 1974 †
4. Species Baltisphaeridium apertum G.Burmann †
5. Species Baltisphaeridium areolatum S.Jardiné, Combaz, Magloire, Peniguel & Vachey, 1974 †
6. Species Baltisphaeridium asturiae (F.Cramer) F.Cramer †
7. Species Baltisphaeridium balticum (Eisenack) F.Cramer †
8. Species Baltisphaeridium bifidum Clarke & Verdier †
9. Species Baltisphaeridium bifurcatum (Timofeev) F.Martin, 1969 †
10. Species Baltisphaeridium bonitum F.Cramer †
11. Species Baltisphaeridium borracherosum F.H.Cramer, 1964 †
12. Species Baltisphaeridium brazodesnudum F.H.Cramer, 1964 †
13. Species Baltisphaeridium brevispinosum (Eisenack) Eisenack †
14. Species Baltisphaeridium cannosphaeropsisoides Stockmans & Willière †
15. Species Baltisphaeridium cantabricum F.H.Cramer, 1964 †
16. Species Baltisphaeridium capillatum S.Jardiné, Combaz, Magloire, Peniguel & Vachey, 1974 †
17. Species Baltisphaeridium cariniosum F.H.Cramer, 1964 †
18. Species Baltisphaeridium carminae F.H.Cramer, 1964 †
19. Species Baltisphaeridium carrascum F.H.Cramer †
20. Species Baltisphaeridium cazurrum (F.Cramer) F.Cramer †
21. Species Baltisphaeridium ciliosum N.A.Volkova, 1969 †
22. Species Baltisphaeridium cognitum Timofeev †
23. Species Baltisphaeridium compressum N.A.Volkova, 1969 †
24. Species Baltisphaeridium corallinum Eisenack †
25. Species Baltisphaeridium crassituberculatum Eisenack †
26. Species Baltisphaeridium cretaceum (Merrill) Sarjeant †
27. Species Baltisphaeridium cylindricum F.Cramer †
28. Species Baltisphaeridium dedosmuertos F.H.Cramer, 1964 †
29. Species Baltisphaeridium densicomata (Maier) Gerlach †
30. Species Baltisphaeridium denticulatum Stockmans & Willière †
31. Species Baltisphaeridium deunffii (Jansonius) Sarjeant †
32. Species Baltisphaeridium dicros (Loeblich & Drugg) F.Cramer †
33. Species Baltisphaeridium dictium F.X.Wang & Q.Chen, 1987 †
34. Species Baltisphaeridium diversispinosum Wall †
35. Species Baltisphaeridium dubitum Lister †
36. Species Baltisphaeridium duplex F.H.Cramer, 1964 †
37. Species Baltisphaeridium echiniplax Churchill & Sarjeant †
38. Species Baltisphaeridium ehrenbergii (Deflandre) Sarjeant †
39. Species Baltisphaeridium erraticum (Eisenack) Eisenack †
40. Species Baltisphaeridium escoboides F.H.Cramer, 1964 †
41. Species Baltisphaeridium estrellaferum F.H.Cramer †
42. Species Baltisphaeridium eypense Wall †
43. Species Baltisphaeridium fermosum F.Cramer †
44. Species Baltisphaeridium ferum F.Martin †
45. Species Baltisphaeridium fisheri F.H.Cramer †
46. Species Baltisphaeridium fissile Stockmans & Willière †
47. Species Baltisphaeridium funginum Morgenroth †
48. Species Baltisphaeridium gangolihatense Nautiyal †
49. Species Baltisphaeridium globosum Tynni, 1976 †
50. Species Baltisphaeridium goeranii (Górka) Sarjeant & Stancliffe, 1994 †
51. Species Baltisphaeridium gordonense F.H.Cramer, 1964 †
52. Species Baltisphaeridium gotlandicum (Eisenack) Eisenack †
53. Species Baltisphaeridium gracile Timofeev †
54. Species Baltisphaeridium grosjeani Stockmans & Willière †
55. Species Baltisphaeridium guapum F.H.Cramer, 1964 †
56. Species Baltisphaeridium gueltaense S.Jardiné, Combaz, Magloire, Peniguel & Vachey, 1974 †
57. Species Baltisphaeridium guillermoi F.H.Cramer, 1964 †
58. Species Baltisphaeridium heinzelinii Stockmans & Willière †
59. Species Baltisphaeridium hermosum F.H.Cramer & Díez de Cramer †
60. Species Baltisphaeridium hirsutoides (Eisenack) Eisenack †
61. Species Baltisphaeridium iaculigerum Klement †
62. Species Baltisphaeridium infulatum †
63. Species Baltisphaeridium inusitatum Klement †
64. Species Baltisphaeridium irregulare (Staplin, Jansonius & Pocock) F.Martin †
65. Species Baltisphaeridium irregulare (Staplin, Jansonius & Pocock) Stockmans & Willière †
66. Species Baltisphaeridium jansonii S.A.J.Pocock †
67. Species Baltisphaeridium jiulaodongense F.X.Wang & Q.Chen, 1987 †
68. Species Baltisphaeridium juliae F.H.Cramer, 1964 †
69. Species Baltisphaeridium korykum (Maier) Sarjeant †
70. Species Baltisphaeridium kotulsky Timofeev †
71. Species Baltisphaeridium latiradiatum (Eisenack) Staplin, Jansonius & Pocock †
72. Species Baltisphaeridium laxispinosum Z.C.Song, C.Q.He, Z.Qian, Z.O.Pan, G.G.Zheng & Y.F.Zheng, 1978 †
73. Species Baltisphaeridium leve (Maier) Sarjeant †
74. Species Baltisphaeridium lobeznum F.H.Cramer, 1964 †
75. Species Baltisphaeridium lophophorum Eisenack †
76. Species Baltisphaeridium lumectum Sarjeant †
77. Species Baltisphaeridium lychneum (Maier) Sarjeant †
78. Species Baltisphaeridium macropylum Eisenack †
79. Species Baltisphaeridium malum F.H.Cramer, 1964 †
80. Species Baltisphaeridium maravillosum F.Cramer †
81. Species Baltisphaeridium micranthum Eisenack †
82. Species Baltisphaeridium microfurcatum (Deunff) Stockmans & Willière †
83. Species Baltisphaeridium micropilare F.Cramer †
84. Species Baltisphaeridium micropunctatum Wall †
85. Species Baltisphaeridium microspinosum (Eisenack) Eisenack †
86. Species Baltisphaeridium molinum F.H.Cramer, 1964 †
87. Species Baltisphaeridium monterrosae F.Cramer †
88. Species Baltisphaeridium mucronatum (Stockmans & Willière) F.Cramer †
89. Species Baltisphaeridium multispinosum C.Singh †
90. Species Baltisphaeridium nanninum Eisenack †
91. Species Baltisphaeridium nanum (Deflandre) Stockmans & Willière †
92. Species Baltisphaeridium nanum Cookson †
93. Species Baltisphaeridium neahgae F.Cramer †
94. Species Baltisphaeridium obtusatum G.Burmann †
95. Species Baltisphaeridium oligofurcatum (Eisenack) Eisenack †
96. Species Baltisphaeridium pachyacanthum Eisenack †
97. Species Baltisphaeridium paleozoicum Stockmans & Willière †
98. Species Baltisphaeridium palidodigitatum F.H.Cramer †
99. Species Baltisphaeridium panniforme Gerlach †
100. Species Baltisphaeridium paraguiferum F.H.Cramer, 1964 †
101. Species Baltisphaeridium pastielsi Stockmans & Willière †
102. Species Baltisphaeridium pauperum Morgenroth †
103. Species Baltisphaeridium peltatum F.H.Cramer †
104. Species Baltisphaeridium piliferum Stockmans & Willière †
105. Species Baltisphaeridium polyceratum K.Takahashi †
106. Species Baltisphaeridium polygonale (Eisenack) Eisenack †
107. Species Baltisphaeridium polyozon Brosius †
108. Species Baltisphaeridium polytrichum (Valensi) Stockmans & Willière †
109. Species Baltisphaeridium pseudocalicispinum Górka, 1980 †
110. Species Baltisphaeridium pungens (Timofeev) F.Martin, 1969 †
111. Species Baltisphaeridium quadriradiatum (Timofeev) Eisenack, 1963 †
112. Species Baltisphaeridium rabiosum (F.Cramer) F.Cramer †
113. Species Baltisphaeridium raczii F.H.Cramer, 1964 †
114. Species Baltisphaeridium radiale D.C.Bharadwaj, R.S.Tiwari & Venkatachala, 1970 †
115. Species Baltisphaeridium rakoae Stockmans & Willière †
116. Species Baltisphaeridium rallum Brideaux †
117. Species Baltisphaeridium raspa F.H.Cramer, 1964 †
118. Species Baltisphaeridium raspum Cramer †
119. Species Baltisphaeridium rectangulare Eisenack †
120. Species Baltisphaeridium reticuloideum Z.C.Song, C.Q.He, Z.Qian, Z.O.Pan, G.G.Zheng & Y.F.Zheng, 1978 †
121. Species Baltisphaeridium reticulum F.X.Wang & Q.Chen, 1987 †
122. Species Baltisphaeridium robertinum F.H.Cramer, 1964 †
123. Species Baltisphaeridium sartbernardense (Martin) F.Cramer †
124. Species Baltisphaeridium selviellae F.Cramer †
125. Species Baltisphaeridium septatum I.Cookson & A.Eisenack †
126. Species Baltisphaeridium simplex Stockmans & Willière †
127. Species Baltisphaeridium spinicurvatum (Merrill) Sarjeant †
128. Species Baltisphaeridium stellatum Habib †
129. Species Baltisphaeridium suecicum Eisenack †
130. Species Baltisphaeridium taeniosum (Uutela & Tynni) Sarjeant & Stancliffe, 1994 †
131. Species Baltisphaeridium taylorii Cookson & Eisenack †
132. Species Baltisphaeridium telmaticum Churchill & Sarjeant †
133. Species Baltisphaeridium tentaculaferum F.Martin †
134. Species Baltisphaeridium tenuiramusculosum Stockmans & Willière †
135. Species Baltisphaeridium ternatum (G.Burmann) Tynni, 1976 †
136. Species Baltisphaeridium tesakovii Timofeev †
137. Species Baltisphaeridium texanum (Merrill) Sarjeant †
138. Species Baltisphaeridium tinglewoodense Churchill & Sarjeant †
139. Species Baltisphaeridium tolontolum (F.Cramer) F.Cramer †
140. Species Baltisphaeridium toyetae F.H.Cramer, 1964 †
141. Species Baltisphaeridium traumaticum F.H.Cramer, 1964 †
142. Species Baltisphaeridium trifurcatum (Eisenack) Eisenack †
143. Species Baltisphaeridium turbinatum Brideaux †
144. Species Baltisphaeridium twistringense (Maier) Sarjeant †
145. Species Baltisphaeridium valentinum F.H.Cramer, 1964 †
146. Species Baltisphaeridium varians (Stockmans & Willière) F.Cramer †
147. Species Baltisphaeridium variopinnum F.H.Cramer †
148. Species Baltisphaeridium vieslavii Górka, 1980 †
149. Species Baltisphaeridium vinhuelae F.Cramer †
150. Species Baltisphaeridium wepionense Stockmans & Willière †
151. Species Baltisphaeridium akrochordum Rasul, 1979 † accepted as Solisphaeridium akrochordum (Rasul) Moczydłowska & Stockfors, 2004 † (synonym)
152. Species Baltisphaeridium bohemicum Konzalová, 1972 † accepted as Eomicrhystridium bohemicum Konzalová ex Eisenack, F.H.Cramer & Cramer-Díez, 1972 †
153. Species Baltisphaeridium brachyspinosum Kirjanov, 1974 † accepted as Skiagia brachyspinosa (Kirjanov) Jachowicz, 2013 † (synonym)
154. Species Baltisphaeridium centrocarpum (Deflandre & Cookson) Gerlach † accepted as Operculodinium centrocarpum (Deflandre & Cookson) Wall, 1967 †
155. Species Baltisphaeridium claviculorum (Deflandre) C.Downie & Sarjeant, 1965 † accepted as Solisphaeridium claviculorum (Deflandre) Sarjeant, 1968 † (synonym)
156. Species Baltisphaeridium debilispinum D.Wall & C.Downie † accepted as Comasphaeridium debilispinum (D.Wall & C.Downie) Sarjeant & Stancliffe, 1994 †
157. Species Baltisphaeridium echinodermum Stockmans & Willière, 1963 † accepted as Helosphaeridium echinodermum (Stockmans & Willière) G.L.Mulins, 2002 †
158. Species Baltisphaeridium filosum Kjellström, 1971 † accepted as Comasphaeridium filosum (Kjellström) Sarjeant & Stancliffe, 1994 †
159. Species Baltisphaeridium implicatum Fridrichsone, 1971 † accepted as Parmasphaeridium implicatum (Fridrichsone) Jachowicz, 2013 † (synonym)
160. Species Baltisphaeridium liniferum Cookson & Eisenack † accepted as Achomosphaera linifera (Cookson & Eisenack) Stover & Evitt, 1978 †
161. Species Baltisphaeridium neptuni Eisenack † accepted as Achomosphaera neptuni (Eisenack) R.J.Davey & G.L.Williams, 1966 †
162. Species Baltisphaeridium pilare F.H.Cramer, 1964 † accepted as Cymbosphaeridium pilare (F.H.Cramer) T.R.Lister, 1970 †
163. Species Baltisphaeridium pilosiusculum Jankauskas, 1983 † accepted as Skiagia pilosiuscula Jachowicz, 2013 † (synonym)
164. Species Baltisphaeridium reginaldii (Mantell) Downie & Sarjeant, 1965 † accepted as Spiniferites reginaldii (Mantell) Mantell, 1854 † (synonym)
165. Species Baltisphaeridium spinigerum Górka, 1969 accepted as Duplicisphaeridium spinigerum (Górka) Górka, 1980 † (synonym)
166. Species Baltisphaeridium stimuliferum (Deflandre) Sarjeant † accepted as Solisphaeridium stimuliferum (Deflandre) Staplin, Jansonius & S.A.J.Pocock, 1965 †
167. Species Baltisphaeridium stipaticum Hagenfeldt, 1989 † accepted as Ichnosphaera stipatica (Hagenfeldt) Jachowicz, 2013 † (synonym)
168. Species Baltisphaeridium striatulum Vavrdová, 1966 † accepted as Priscogalea striatula (Vavrdová) Vanguestaine, 1974 †
169. Species Baltisphaeridium timofeevii Deunff, 1961 † accepted as Priscogalea timofeevii (Deunff) F.Martin, 1960 †
170. Species Baltisphaeridium triangulatum Gerlach, 1961 † accepted as Achomosphaera triangulata (Gerlach) R.J.Davey & G.L.Williams, 1969 †
171. Species Baltisphaeridium varium Volkova, 1969 † accepted as Eklundia varia (Volkova) Jachowicz, 2013 † (synonym)
172. Species Baltisphaeridium alperni Stockmans & Willière † (uncertain)
173. Species Baltisphaeridium andrewsii Stockmans & Willière † (uncertain)
174. Species Baltisphaeridium arbusculiferum C.Downie † (uncertain)
175. Species Baltisphaeridium belmontis F.Cramer † (uncertain)
176. Species Baltisphaeridium bergstromii (Staplin, Jansonius & Pocock) F.Martin † (uncertain)
177. Species Baltisphaeridium birminghamense F.Cramer † (uncertain)
178. Species Baltisphaeridium breviciliatum (Staplin) F.Martin † (uncertain)
179. Species Baltisphaeridium brevifurcatum (Eisenack) Eisenack † (uncertain)
180. Species Baltisphaeridium cladum C.Downie † (uncertain)
181. Species Baltisphaeridium clavispinulosum Churchill & Sarjeant † (uncertain)
182. Species Baltisphaeridium coutissianum F.Martin † (uncertain)
183. Species Baltisphaeridium cylindrosum Eisenack † (uncertain)
184. Species Baltisphaeridium delicatum Wall † (uncertain)
185. Species Baltisphaeridium dilatispinosum C.Downie † (uncertain)
186. Species Baltisphaeridium downiei Sarjeant † (uncertain)
187. Species Baltisphaeridium echinulatum G.Burmann † (uncertain)
188. Species Baltisphaeridium encantador F.Cramer † (uncertain)
189. Species Baltisphaeridium erectum (Manum & Cookson) Clarke & Verdier † (uncertain)
190. Species Baltisphaeridium galeum (Maier) Sarjeant † (uncertain)
191. Species Baltisphaeridium granulatispinosum C.Downie † (uncertain)
192. Species Baltisphaeridium granulosum (Deflandre) Sarjeant † (uncertain)
193. Species Baltisphaeridium hydraferum Stockmans & Willière † (uncertain)
194. Species Baltisphaeridium jardineae F.Cramer † (uncertain)
195. Species Baltisphaeridium josefae (F.Cramer) F.Cramer † (uncertain)
196. Species Baltisphaeridium kahleri A.Bachmann & Schmid † (uncertain)
197. Species Baltisphaeridium ligospinosum De Coninck † (uncertain)
198. Species Baltisphaeridium longispinosum (Eisenack) Eisenack † (uncertain)
199. Species Baltisphaeridium machaerophorum (Deflandre & Cookson) Gerlach † (uncertain)
200. Species Baltisphaeridium massilum F.Martin † (uncertain)
201. Species Baltisphaeridium mespilanum (Maier) Sarjeant † (uncertain)
202. Species Baltisphaeridium microcladum C.Downie † (uncertain)
203. Species Baltisphaeridium mixtispinosum Klement † (uncertain)
204. Species Baltisphaeridium multifurcatum (Deflandre) Klement † (uncertain)
205. Species Baltisphaeridium multipilosum (Eisenack) Eisenack † (uncertain)
206. Species Baltisphaeridium nudum (Eisenack) Staplin, Jansonius & Pocock † (uncertain)
207. Species Baltisphaeridium parvum (C.Downie) F.Martin † (uncertain)
208. Species Baltisphaeridium pattei (Valensi) Dodékova † (uncertain)
209. Species Baltisphaeridium pectiniforme Gerlach † (uncertain)
210. Species Baltisphaeridium pilosum (Ehrenberg) Sarjeant † (uncertain)
211. Species Baltisphaeridium piriferum (Eisenack) Eisenack † (uncertain)
212. Species Baltisphaeridium quaternarium Churchill & Sarjeant † (uncertain)
213. Species Baltisphaeridium ramispinosum (Staplin) F.Martin, 1969 † (uncertain)
214. Species Baltisphaeridium ramusculosum (Deflandre) Stockmans & Willière † (uncertain)
215. Species Baltisphaeridium ravum C.Downie † (uncertain)
216. Species Baltisphaeridium robustispinosum C.Downie † (uncertain)
217. Species Baltisphaeridium robustum (Eisenack) Eisenack † (uncertain)
218. Species Baltisphaeridium severinii Cookson & Cranwell † (uncertain)
219. Species Baltisphaeridium snigirevskaiae Stockmans & Willière † (uncertain)
220. Species Baltisphaeridium sommeri (Brito) F.Cramer † (uncertain)
221. Species Baltisphaeridium sparsum Drugg † (uncertain)
222. Species Baltisphaeridium stockmansii F.Martin † (uncertain)
223. Species Baltisphaeridium thyrae (F.Cramer) F.Cramer † (uncertain)
224. Species Baltisphaeridium triangulare Stockmans & Willière † (uncertain)
225. Species Baltisphaeridium tribuliferum Sarjeant † (uncertain)
226. Species Baltisphaeridium triplodermum F.H.Cramer † (uncertain)
227. Species Baltisphaeridium uncinatum (C.Downie) F.Martin † (uncertain)
228. Species Baltisphaeridium varispinosum Sarjeant † (uncertain)
229. Species Baltisphaeridium visbyense Eisenack † (uncertain)
230. Species Baltisphaeridium wenlockense (C.Downie) Stockmans & Willière † (uncertain)
231. Species Baltisphaeridium xanthiopyxides (Wetzel) De Coninck † (uncertain)

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