1. Species Peridinium acarnanicum Athanassopoulos, 1931
2. Species Peridinium acutum G.Karsten, 1907
3. Species Peridinium adriaticum H.Broch, 1910
4. Species Peridinium ampulliforme E.J.F.Wood
5. Species Peridinium asymmetrica T.H.Abé
6. Species Peridinium asymmetricum Karsten, 1907
7. Species Peridinium biconicum T.H.Abé, 1927
8. Species Peridinium caspicum (C.E.H.Ostenfeld) Lemmermann
9. Species Peridinium chattonii Biecheler, 1952
10. Species Peridinium chinense J.Schiller
11. Species Peridinium complanatum G.Karsten, 1907
12. Species Peridinium complanatum A.F.Meunier, 1910
13. Species Peridinium concum
14. Species Peridinium corniculum Kofoid & Michener, 1911
15. Species Peridinium cystiferum J.Pavillard, 1916
16. Species Peridinium dalei (Indel. & Loeblich) Balech
17. Species Peridinium ellipsoideum Mangin, 1913
18. Species Peridinium excavatum G.W.Martin, 1929
19. Species Peridinium exiguipes L.A.Mangin
20. Species Peridinium formosum J.Pavillard, 1909
21. Species Peridinium gaarderae Balech, 1967
22. Species Peridinium gargantua Biecheler, 1952
23. Species Peridinium gracile Gran & Braarud, 1935
24. Species Peridinium gracile Meunier, 1910
25. Species Peridinium granisparsum A.F.Meunier
26. Species Peridinium hindmarchii Murray & Whitting, 1899
27. Species Peridinium hyalinum Kofoid & J.R.Michener, 1911
28. Species Peridinium inaequale Fauré-Fremiet, 1908
29. Species Peridinium inaequale N.Peters, 1928
30. Species Peridinium karianum (Meunier) J.Schiller, 1935
31. Species Peridinium karianum A.G.Henckel, 1925
32. Species Peridinium karstenii Kofoid & J.R.Michener, 1911
33. Species Peridinium kofoidi Fauré-Fremiet, 1908
34. Species Peridinium koma T.H.Abé, 1927
35. Species Peridinium leiorhynchum Murray & Whitting, 1899
36. Species Peridinium levanderi Abé, 1927
37. Species Peridinium lithanthracis (Ehrenberg) Ehrenberg
38. Species Peridinium longispinum L.A.Mangin
39. Species Peridinium macrapicatum Balech, 1971
40. Species Peridinium macrospinum L.A.Mangin
41. Species Peridinium majus (P.A.Dangeard) P.A.Dangeard
42. Species Peridinium matzenaueri K.R.Gaarder
43. Species Peridinium micrapium A.F.Meunier
44. Species Peridinium minus (Paulsen) Paulsen, 1914
45. Species Peridinium minusculum J.Pavillard
46. Species Peridinium missolongicum Athanassopoulos, 1931
47. Species Peridinium monacanthum (Broch) Balech, 1972
48. Species Peridinium monas Ehrenberg
49. Species Peridinium nasutum L.A.Mangin
50. Species Peridinium nivale (Meunier) J.Schiller, 1935
51. Species Peridinium novum V.Hensen, 1895
52. Species Peridinium oamaruense (G.Deflandre) J.Schiller
53. Species Peridinium obliquiforme J.Schiller
54. Species Peridinium obliquum Mangin, 1930
55. Species Peridinium obliquum P.J.L.Dangeard, 1927
56. Species Peridinium pacificum Kofoid & Michener, 1911
57. Species Peridinium paracerasus Athanassopoulos, 1931
58. Species Peridinium paracranii Athanassopoulos, 1931
59. Species Peridinium paradakariense Athanassopoulos, 1931
60. Species Peridinium parainerme D.S.Nie & C.C.Wang, 1964
61. Species Peridinium perrieri Fauré-Fremiet, 1908
62. Species Peridinium persicum J.Schiller
63. Species Peridinium phalericum Athanassopoulos, 1931
64. Species Peridinium polymorphum Er.Lindemann, 1924
65. Species Peridinium pouchetii Kofoid & Michener, 1911
66. Species Peridinium quadridentatum (F.Stein) Gert Hansen, 1995
67. Species Peridinium robustum A.F.Meunier
68. Species Peridinium schilleri A.Böhm
69. Species Peridinium schuettii (Lemmermann) G.Karsten
70. Species Peridinium simplex Gran & Braarud, 1935
71. Species Peridinium sociale (L.-F.Hennguy) B.Biecheler
72. Species Peridinium sphaericum Okamura, 1912
73. Species Peridinium sphaericum Meunier, 1910
74. Species Peridinium sphaeroides Dangeard
75. Species Peridinium spheroidea Abé, 1927
76. Species Peridinium spheroides P.A.Dangeard, 1927
77. Species Peridinium spirale (Gaarder) Balech
78. Species Peridinium striatum A.Böhm
79. Species Peridinium subsphaericum Balech, 1959
80. Species Peridinium symmetricum Halim, 1967
81. Species Peridinium tridens Ehrenberg
82. Species Peridinium trirostre Murray & Whitting, 1899
83. Species Peridinium tsingtaoense D.S.Nie & C.C.Wang, 1964
84. Species Peridinium vexans Murray & Whitting, 1899
85. Species Peridinium woloszynskae W.Conrad
86. Species Peridinium abei Paulsen, 1931 accepted as Protoperidinium abei (Paulsen, 1931) Balech, 1974 (synonym)
87. Species Peridinium acanthophorum Balech, 1962 accepted as Protoperidinium acanthophorum (Balech, 1962) Balech, 1974
88. Species Peridinium achromaticum Levander, 1902 accepted as Protoperidinium achromaticum (Levander) Balech, 1974
89. Species Peridinium aciculiferum Lemmermann, 1900 accepted as Apocalathium aciculiferum (Lemmermann) Craveiro, Daugbjerg, Moestrup & Calado, 2016
90. Species Peridinium acuminatum Ehrenberg, 1836 accepted as Scrippsiella acuminata (Ehrenberg) Kretschmann, Elbrächter, Zinssmeister, S.Soehner, Kirsch, Kusber & Gottschling, 2015 (synonym)
91. Species Peridinium acutipes P.-A.Dangeard, 1927 accepted as Protoperidinium acutipes (P.-A.Dangeard, 1927) Balech, 1974 (synonym)
92. Species Peridinium adeliense Balech, 1958 accepted as Protoperidinium adeliense (Balech, 1958) Balech, 1974 (synonym)
93. Species Peridinium adense Matzenauer, 1933 accepted as Protoperidinium adense (Matzenauer, 1933) Balech, 1974 (synonym)
94. Species Peridinium adriaticum Schmarda, 1846 accepted as Gymnodinium adriaticum (Schmarda) Kofoid & Swezy, 1921
95. Species Peridinium aequatoriale Balech, 1971 accepted as Protoperidinium aequatoriale (Balech, 1971) Balech, 1974
96. Species Peridinium affine Balech, 1958 accepted as Protoperidinium affine (Balech, 1958) Balech, 1974 (synonym)
97. Species Peridinium africanoides P.-A.Dangeard, 1927 accepted as Protoperidinium latispinum (Mangin, 1926) Balech, 1974 (synonym)
98. Species Peridinium americanum Gran & Braarud, 1935 accepted as Protoperidinium americanum (Gran & Braarud, 1935) Balech, 1974 (synonym)
99. Species Peridinium amplum Matzenauer, 1933 accepted as Protoperidinium amplum (Matzenauer, 1933) Balech, 1974 (synonym)
100. Species Peridinium ampulla Balech, 1971 accepted as Protoperidinium ampulla (Balech, 1971) Balech, 1974 (synonym)
101. Species Peridinium anceps Meunier, 1910 accepted as Protoperidinium anceps (Meunier, 1910) Balech, 1974 (synonym)
102. Species Peridinium anguipes Balech, 1967 accepted as Protoperidinium anguipes (Balech, 1967) Balech, 1974 (synonym)
103. Species Peridinium angustum P.-A.Dangeard, 1927 accepted as Protoperidinium angustum (P.-A.Dangeard, 1927) Balech, 1974 (synonym)
104. Species Peridinium anomaloplaxum Balech, 1964 accepted as Protoperidinium anomaloplaxum (Balech, 1964) Balech, 1974 (synonym)
105. Species Peridinium antarcticum Schimper ex Karsten, 1905 accepted as Protoperidinium antarcticum (Schimper ex Karsten) Balech, 1974 (synonym)
106. Species Peridinium anthonyi Fauré-Fremiet, 1908 accepted as Protoperidinium anthonyi (Fauré-Fremiet, 1908) Balech, 1974 (synonym)
107. Species Peridinium apiculatum Penard, 1891 accepted as Gonyaulax clevei Ostenfeld, 1902
108. Species Peridinium applanatum Manguin, 1926 accepted as Protoperidinium applanatum (Mangin) Balech, 1974 (synonym)
109. Species Peridinium archiovatum Balech, 1958 accepted as Protoperidinium archiovatum (Balech) Balech, 1974 (synonym)
110. Species Peridinium arcticum Ehrenberg accepted as Ceratium arcticum (Ehrenberg) L.Maggi, 1880 accepted as Tripos arcticus (Vanhöffen) F.Gómez, 2013 (synonym)
111. Species Peridinium asperum G.H.Wailes, 1928 accepted as Protoperidinium asperum (G.H.Wailes, 1928) Balech, 1974 (synonym)
112. Species Peridinium aspidiotum Balech, 1964 accepted as Protoperidinium aspidiotum (Balech, 1964) Balech, 1974 (synonym)
113. Species Peridinium asymmetricum (Mangin) Ostenfeld, 1915 accepted as Dissodium asymmetricum (Mangin) Loeblich III, 1970 accepted as Diplopsalopsis bomba (Stein) J.D.Dodge & S.Toriumi, 1993 (synonym)
114. Species Peridinium avellana Lebour, 1925 accepted as Protoperidinium avellana (Meunier, 1919) Balech, 1974 (synonym)
115. Species Peridinium balechii R.Akselman accepted as Protoperidinium balechii (R.Akselman) Balech, 1988
116. Species Peridinium balticum (Levander) Lemmermann, 1900 accepted as Durinskia dybowskii (Woloszynska) Carty, 2014 (synonym)
117. Species Peridinium bellulum Balech, 1971 accepted as Protoperidinium bellulum (Balech, 1971) Balech, 1974 (synonym)
118. Species Peridinium biconicum P.A..Dangeard, 1927 accepted as Protoperidinium biconicum (P.A.Dangeard) Balech, 1974 (synonym)
119. Species Peridinium bimucronatum J.Schiller, 1935 accepted as Protoperidinium bimucronatum (J.Schiller) Balech, 1967
120. Species Peridinium bispinum J.Schiller, 1937 accepted as Protoperidinium bispinum (J.Schiller) Balech, 1974 accepted as Protoperidinium bimucronatum (J.Schiller) Balech, 1967 (synonym)
121. Species Peridinium blackmani Murray & Whitting, 1899 accepted as Heterodinium blackmanii (Murray & Whitting) Kofoid, 1906 (synonym)
122. Species Peridinium braarudi Schiller, 1937 accepted as Protoperidinium braarudii (Schiller, 1937) Balech, 1974 (synonym)
123. Species Peridinium brachypus J.Schiller, 1935 accepted as Protoperidinium brachypus (J.Schiller) Balech, 1974 (synonym)
124. Species Peridinium breve (Paulsen) Paulsen, 1907 accepted as Protoperidinium pyriforme subsp. breve (Paulsen) Balech, 1988
125. Species Peridinium brevipes Paulsen, 1908 accepted as Protoperidinium brevipes (Paulsen, 1908) Balech, 1974 (Synonym)
126. Species Peridinium brintonii Balech, 1962 accepted as Protoperidinium pouchetii (Kofoid & Michener) F.J.R.Taylor & Balech ex Balech, 1988 (synonym)
127. Species Peridinium brochii Kofoid & Swezy, 1921 accepted as Protoperidinium brochii (Kofoid & Swezy, 1921) Balech, 1974 (synonym)
128. Species Peridinium bulbosum Gaarder, 1954 accepted as Protoperidinium bulbosum (Gaarder, 1954) Balech, 1974 (synonym)
129. Species Peridinium bulla Meunier, 1910 accepted as Protoperidinium bulla (Meunier, 1910) Balech, 1974 (synonym)
130. Species Peridinium candelabrum Ehrenberg, 1860 accepted as Tripos candelabrum (Ehrenberg) F.Gómez, 2013 (synonym)
131. Species Peridinium capdevillei Balech, 1959 accepted as Protoperidinium capdevillei (Balech, 1959) Balech, 1974 (synonym)
132. Species Peridinium capurroi Balech, 1959 accepted as Protoperidinium capurroi (Balech, 1959) Balech, 1974 (synonym)
133. Species Peridinium carinaeferum Gail, 1950 accepted as Protoperidinium carinaeferum (Gail, 1950) Balech, 1994
134. Species Peridinium castaneiforme L.A.Mangin, 1922 accepted as Protoperidinium castaneiforme (Mangin, 1926) Balech, 1974
135. Species Peridinium catenatum Levander, 1894 accepted as Peridiniella catenata (Levander) Balech, 1977
136. Species Peridinium cavispinum L.A.Mangin, 1922 accepted as Protoperidinium cavispinum (Mangin, 1926) Balech, 1974
137. Species Peridinium cepa Balech, 1971 accepted as Protoperidinium cepa (Balech, 1971) Balech, 1974 (synonym)
138. Species Peridinium cerasus Paulsen, 1907 accepted as Protoperidinium cerasus (Paulsen, 1907) Balech, 1973 (basionym)
139. Species Peridinium charcotii Balech, 1958 accepted as Protoperidinium charcotii (Balech, 1958) Balech, 1974 (unaccepted > superseded combination)
140. Species Peridinium claudicans Paulsen, 1907 accepted as Protoperidinium claudicans (Paulsen, 1907) Balech, 1974 (basionym)
141. Species Peridinium clavus T.H.Abe, 1936 accepted as Protoperidinium denticulatum (Gran & Braarud, 1935) Balech, 1974 (synonym)
142. Species Peridinium colombonense Matzenauer, 1933 accepted as Protoperidinium colombonense (Matzenauer, 1933) Balech, 1974 (synonym)
143. Species Peridinium compressum (Abé) Nie accepted as Protoperidinium compressum (Abé) Balech, 1974 (synonym)
144. Species Peridinium concavum Mangin, 1926 accepted as Protoperidinium concavum (Mangin) Balech, 1974 (synonym)
145. Species Peridinium conicoides Paulsen, 1905 accepted as Protoperidinium conicoides (Paulsen) Balech, 1973 (synonym)
146. Species Peridinium conicum (Gran) Ostenfeld & Schmidt, 1902 accepted as Protoperidinium conicum (Gran) Balech, 1974 (Synonym)
147. Species Peridinium constrictum T.H.Abé, 1936 accepted as Archaeperidinium constrictum (T.H.Abé) T.Liu, K.N.Mertens, K.Matsuoka & H.Gu, 2015
148. Species Peridinium crassipes Kofoid, 1907 accepted as Protoperidinium crassipes (Kofoid, 1907) Balech, 1974 (basionym)
149. Species Peridinium crassum P.-A.Dangeard, 1927 accepted as Protoperidinium inflatum (Okamura, 1912) Balech, 1974
150. Species Peridinium crassum Balech, 1959 accepted as Protoperidinium crassum Balech, 1971
151. Species Peridinium cruciferum Balech, 1971 accepted as Protoperidinium cruciferum (Balech, 1971) Balech, 1973 (synonym)
152. Species Peridinium curtipes Jørgensen, 1912 accepted as Protoperidinium curtipes (Jørgensen, 1912) Balech, 1974 (synonym)
153. Species Peridinium curtum Balech, 1958 accepted as Protoperidinium curtum (Balech, 1958) Balech, 1973 (synonym)
154. Species Peridinium curvipes Ostenfeld, 1906 accepted as Protoperidinium curvipes (Ostenfeld) Balech, 1974 (synonym)
155. Species Peridinium dakariensis P.A.Dangeard, 1927 accepted as Protoperidinium dakariense (P.-A.Dangeard, 1927) Balech, 1974
156. Species Peridinium decens Balech, 1971 accepted as Protoperidinium decens (Balech, 1971) Balech, 1974
157. Species Peridinium decipiens Jörgensen, 1899 accepted as Protoperidinium decipiens (Jörgensen) Parke & J.D.Dodge, 1976 (synonym)
158. Species Peridinium defectum Balech, 1965 accepted as Protoperidinium defectum (Balech, 1965) Balech, 1974 (synonym)
159. Species Peridinium deficiens Meunier, 1919 accepted as Protoperidinium deficiens (Meunier, 1919) Balech, 1974
160. Species Peridinium delicatissimum T.Braarud, 1935 accepted as Protoperidinium delicatissimum (T.Braarud, 1935)
161. Species Peridinium denticulatum Gran & Braarud, 1935 accepted as Protoperidinium denticulatum (Gran & Braarud, 1935) Balech, 1974 (synonym)
162. Species Peridinium depressum (Bailey) Peters, 1928 accepted as Protoperidinium antarcticum (Schimper ex Karsten) Balech, 1974 (synonym)
163. Species Peridinium depressum Bailey, 1854 accepted as Protoperidinium depressum (Bailey, 1854) Balech, 1974 (Synonym)
164. Species Peridinium diabolus Cleve, 1900 accepted as Protoperidinium diabolus (Cleve, 1900) Balech, 1974 (basionym)
165. Species Peridinium distans Mangin accepted as Protoperidinium distans (Mangin, 1912) Balech, 1974
166. Species Peridinium divaricatum Meunier accepted as Protoperidinium divaricatum (Meunier) Parke & J.D.Dodge, 1976 (synonym)
167. Species Peridinium divergens Ehrenberg, 1840 accepted as Protoperidinium divergens (Ehrenberg) Balech, 1974
168. Species Peridinium doma Murray & Whitting, 1899 accepted as Heterodinium doma (Murray & Whitting) Kofoid, 1906
169. Species Peridinium elegans Cleve, 1900 accepted as Protoperidinium elegans (Cleve, 1900) Balech, 1974 (synonym)
170. Species Peridinium elegantissimum Balech, 1958 accepted as Protoperidinium elegantissimum (Balech, 1958) Balech, 1974 (synonym)
171. Species Peridinium elongatum Meunier, 1910 accepted as Protoperidinium elongatum (Meunier, 1910) Balech, 1974 (synonym)
172. Species Peridinium eugrammum Ehrenberg, 1860 accepted as Tripos eugrammus (Ehrenberg) F.Gómez, 2013 (synonym)
173. Species Peridinium excentricum Paulsen, 1907 accepted as Protoperidinium excentricum (Paulsen, 1907) Balech, 1974 (Synonym)
174. Species Peridinium exiguum Cleve, 1900 accepted as Protoperidinium exiguum (Cleve, 1900) Balech, 1974
175. Species Peridinium expansum Abé, 1981 accepted as Protoperidinium expansum Abé, 1981 (synonym)
176. Species Peridinium faeroense O.W.Paulsen, 1905 accepted as Scrippsiella trochoidea (F.Stein) A.R.Loeblich III, 1976 accepted as Scrippsiella acuminata (Ehrenberg) Kretschmann, Elbrächter, Zinssmeister, S.Soehner, Kirsch, Kusber & Gottschling, 2015 (synonym)
177. Species Peridinium fatulipes Kofoid, 1907 accepted as Protoperidinium fatulipes (Kofoid, 1907) Balech, 1974 (synonym)
178. Species Peridinium fimbriatum Meunier, 1919 accepted as Protoperidinium fimbriatum (Meunier, 1919) Balech, 1974 (synonym)
179. Species Peridinium finlandicum Paulsen, 1907 accepted as Protoperidinium finlandicum (Paulsen, 1907) Balech, 1974
180. Species Peridinium foliaceum Biecheler, 1952 accepted as Kryptoperidinium triquetrum (Ehrenberg) U.Tillmann, M. Gottschling, M.Elbrächter, W.-H.Kusber & M.Hoppenrath, 2019 (unaccepted > junior subjective synonym)
181. Species Peridinium fusus Ehrenberg, 1834 accepted as Tripos fusus (Ehrenberg) F.Gómez, 2013 (synonym)
182. Species Peridinium gainii P.-A.Dangeard, 1920 accepted as Protoperidinium divaricatum (Meunier) Parke & J.D.Dodge, 1976 (synonym)
183. Species Peridinium gibbosum Matzenauer, 1933 accepted as Protoperidinium gibbosum (Matzenauer, 1933) Balech, 1974 (synonym)
184. Species Peridinium globifera Abé, 1981 accepted as Protoperidinium globiferum (Abé, 1981) Balech, 1994
185. Species Peridinium globosum P.A.Dangeard, 1927 (unaccepted, synonym)
186. Species Peridinium globulus Stein, 1883 (unaccepted, synonym)
187. Species Peridinium grahamii Sournia, 1973 (unaccepted, synonym)
188. Species Peridinium grande Kofoid, 1907 (unaccepted, synonym)
189. Species Peridinium granii Ostenfeld, 1907 (unaccepted, synonym)
190. Species Peridinium gregarium E.H.Lombard & B.Capon, 1971 (unaccepted, basionym)
191. Species Peridinium grenlandicum Woloszynska, 1929 (unaccepted)
192. Species Peridinium groenlandicum Woloszynska, 1929 (unaccepted)
193. Species Peridinium hangoei J.Schiller, 1935 (unaccepted, synonym)
194. Species Peridinium helix Balech, 1962 (unaccepted)
195. Species Peridinium hemisphaericum T.H.Abé, 1936 (unaccepted)
196. Species Peridinium heteracanthum P.A.Dangeard, 1927 (unaccepted)
197. Species Peridinium heteroconicum Matzenauer, 1933 (unaccepted, synonym)
198. Species Peridinium heterospinum Gaarder, 1954 (unaccepted, synonym)
199. Species Peridinium hirobis Abé, 1927 (unaccepted)
200. Species Peridinium huberi J.Schiller, 1929 (unaccepted)
201. Species Peridinium humile Schiller, 1937 (unaccepted, synonym)
202. Species Peridinium hyalinum Meunier, 1910 (unaccepted)
203. Species Peridinium incertum Balech, 1958 (unaccepted, synonym)
204. Species Peridinium inclinatum Balech, 1964 (unaccepted)
205. Species Peridinium incognitum Balech, 1959 (unaccepted, synonym)
206. Species Peridinium incurvum Lindemann, 1924 (unaccepted, synonym)
207. Species Peridinium inerme Schmarda (unaccepted, synonym)
208. Species Peridinium inflatiforme A.Böhm, 1936 (unaccepted)
209. Species Peridinium inflatum Okamura, 1912 (unaccepted, synonym)
210. Species Peridinium islandicum Paulsen, 1904 (unaccepted, synonym)
211. Species Peridinium joubini P.-A.Dangeard, 1927 (unaccepted, synonym)
212. Species Peridinium knipowitschii Usachev [Ussatschew], 1927 (unaccepted)
213. Species Peridinium laticeps J.Gröntved & G.Seidenfaden, 1938 (unaccepted)
214. Species Peridinium latidorsale (P.A.Dangeard) Balech, 1951 (unaccepted)
215. Species Peridinium latipyrum Balech, 1959 (unaccepted)
216. Species Peridinium latispinum Mangin, 1926 (unaccepted, synonym)
217. Species Peridinium latissimum Kofoid, 1907 (unaccepted, synonym)
218. Species Peridinium latistriatum Balech, 1958 (unaccepted, synonym)
219. Species Peridinium lenticula Paulsen, 1914 (unaccepted, synonym)
220. Species Peridinium lenticulatum L.A.Mangin, 1911 (unaccepted)
221. Species Peridinium leonis Pavillard, 1916 (unaccepted, Synonym)
222. Species Peridinium levanderi Lemmermann, 1900 (unaccepted)
223. Species Peridinium lineatum Ehrenberg, 1854 (unaccepted, synonym)
224. Species Peridinium lipopodium Balech, 1964 (unaccepted, synonym)
225. Species Peridinium longipes Bailey, 1854 (unaccepted, synonym)
226. Species Peridinium longispinum Kofoid, 1907 (unaccepted, synonym)
227. Species Peridinium macroceros Ehrenberg, 1841 (unaccepted, synonym)
228. Species Peridinium magnum Schiller, 1929 (unaccepted, synonym)
229. Species Peridinium mangini Balech, 1971 (unaccepted, synonym)
230. Species Peridinium marie-lebouriae Paulsen, 1931 (unaccepted, synonym)
231. Species Peridinium marinum Lindemann, 1925 (unaccepted)
232. Species Peridinium marukawae T.H.Abé, 1936 (unaccepted, synonym)
233. Species Peridinium mastophorum Balech, 1971 (unaccepted, synonym)
234. Species Peridinium matzenaueri Böhm, 1936 (unaccepted, synonym)
235. Species Peridinium mediocre Balech, 1958 (unaccepted, synonym)
236. Species Peridinium mediterraneum (Kofoid, 1909) Balech, 1964 (unaccepted)
237. Species Peridinium melo Balech, 1971 (unaccepted, synonym)
238. Species Peridinium metananum Balech, 1965 (unaccepted, synonym)
239. Species Peridinium meunieri Pavillard, 1912 (unaccepted, synonym)
240. Species Peridinium michaelis Ehrenberg, 1833 (unaccepted, synonym)
241. Species Peridinium milneri Murray & Whitting, 1899 (unaccepted, synonym)
242. Species Peridinium minisculum Pavillard, 1905 (unaccepted, Synonym)
243. Species Peridinium minus Mangin, 1922 (unaccepted)
244. Species Peridinium minutissimum L.A.Mangin, 1922 (unaccepted)
245. Species Peridinium minutum Kofoid, 1907 (unaccepted, synonym)
246. Species Peridinium mite Pavillard, 1916 (unaccepted, synonym)
247. Species Peridinium monospinum Paulsen, 1907 (unaccepted, synonym)
248. Species Peridinium monovelum Abé, 1936 (unaccepted, synonym)
249. Species Peridinium multipunctatum Fauré-Fremiet, 1908 (unaccepted)
250. Species Peridinium multistriatum C.A.Kofoid (unaccepted)
251. Species Peridinium munobis Abé, 1927 (unaccepted, synonym)
252. Species Peridinium murrayi Kofoid, 1907 (unaccepted, synonym)
253. Species Peridinium mutsuense T.H.Abé, 1936 (unaccepted, synonym)
254. Species Peridinium mutsui J.Schiller, 1935 (unaccepted)
255. Species Peridinium nanum Balech, 1962 (unaccepted)
256. Species Peridinium nipponicum T.H.Abé, 1927 (unaccepted, synonym)
257. Species Peridinium norpacense Balech (unaccepted)
258. Species Peridinium novascotiense H.H.Gran & T.Braarud, 1935 (unaccepted, synonym)
259. Species Peridinium nudum Meunier, 1919 (unaccepted, synonym)
260. Species Peridinium nux J.Schiller, 1937 (unaccepted)
261. Species Peridinium oblongum (Aurivillius) Cleve, 1900 (unaccepted, synonym)
262. Species Peridinium obovatum E.J.F.Wood, 1954 (unaccepted, synonym)
263. Species Peridinium obtusipes L.A.Mangin, 1930 (unaccepted)
264. Species Peridinium oceanicum Vanhöffen, 1897 (unaccepted, synonym)
265. Species Peridinium okamurae T.H.Abé, 1927 (unaccepted)
266. Species Peridinium orbiculare Paulsen, 1907 (unaccepted, synonym)
267. Species Peridinium orientale Matzenauer, 1933 (unaccepted, synonym)
268. Species Peridinium ovatoides Meunier, 1910 (unaccepted, synonym)
269. Species Peridinium ovatum (Pouchet) F.Schütt, 1895 (unaccepted, Synonym)
270. Species Peridinium oviforme P.-A.Dangeard, 1927 (unaccepted, synonym)
271. Species Peridinium ovum Schiller, 1911 (unaccepted)
272. Species Peridinium ovum Matvienko, 1938 (unaccepted, synonym)
273. Species Peridinium pallidum Ostenfeld, 1900 (unaccepted, synonym)
274. Species Peridinium palustre (Er.Lindemann) M.Lefèvre, 1932 (unaccepted, synonym)
275. Species Peridinium paradoxum F.J.R.Taylor, 1976 (unaccepted)
276. Species Peridinium parapyriforme Hermosilla, 1968 (unaccepted)
277. Species Peridinium parcum Balech, 1971 (unaccepted, synonym)
278. Species Peridinium parvicollum Balech, 1958 (unaccepted, synonym)
279. Species Peridinium parvispinum Gaarder, 1954 (unaccepted, synonym)
280. Species Peridinium patagonicum Balech, 1959 (unaccepted, synonym)
281. Species Peridinium patens P.-A.Dangeard, 1927 (unaccepted)
282. Species Peridinium paulsenii Pavillard, 1909 (unaccepted)
283. Species Peridinium pellucidum (Bergh) Schütt, 1895 (unaccepted, synonym)
284. Species Peridinium penitum Balech, 1971 (unaccepted, synonym)
285. Species Peridinium pentagonum Gran, 1902 (unaccepted, synonym)
286. Species Peridinium pernardiforme Lindemann, 1918 (unaccepted)
287. Species Peridinium perplexum Balech, 1971 (unaccepted, synonym)
288. Species Peridinium peruvianum Balech, 1961 (unaccepted, synonym)
289. Species Peridinium petersii Balech, 1958 (unaccepted, synonym)
290. Species Peridinium pietschmanni A.Böhm, 1931 (unaccepted)
291. Species Peridinium pilula (Ostenfeld) Lemmermann, 1910 (unaccepted)
292. Species Peridinium polyedricum Pouchet, 1883 (unaccepted, synonym)
293. Species Peridinium pseudoantarcticum Balech, 1958 (unaccepted)
294. Species Peridinium punctulatum Paulsen, 1907 (unaccepted, synonym)
295. Species Peridinium pyriforme Paulsen, 1907 (unaccepted, synonym)
296. Species Peridinium pyrum Balech, 1959 (unaccepted, synonym)
297. Species Peridinium quadratum Matzenauer, 1933 (unaccepted, synonym)
298. Species Peridinium quarnerense B.Schröder, 1900 (unaccepted, synonym)
299. Species Peridinium quinquecorne T.H.Abé, 1927 (unaccepted)
300. Species Peridinium rampii Balech, 1959 (unaccepted)
301. Species Peridinium raphanum Balech, 1958 (unaccepted, synonym)
302. Species Peridinium rectiforme J.Schiller, 1929 (unaccepted)
303. Species Peridinium rectum Kofoid, 1907 (unaccepted, synonym)
304. Species Peridinium remotum Karsten, 1907 (unaccepted, synonym)
305. Species Peridinium reticulatum Claparède & Lachmann, 1859 (unaccepted, synonym)
306. Species Peridinium retiferum Matzenauer, 1933 (unaccepted, synonym)
307. Species Peridinium rosaceum Balech, 1958 (unaccepted, synonym)
308. Species Peridinium roscoffiense Balech, 1962 (unaccepted, synonym)
309. Species Peridinium roseum O.W.Paulsen, 1904 (unaccepted, synonym)
310. Species Peridinium rotundatum T.H.Abé, 1936 (unaccepted)
311. Species Peridinium saltans Meunier, 1910 (unaccepted, synonym)
312. Species Peridinium saltans Pavillard, 1915 (unaccepted, synonym)
313. Species Peridinium schilleri Paulsen, 1931 (unaccepted, synonym)
314. Species Peridinium seta Ehrenberg, 1860 (unaccepted, synonym)
315. Species Peridinium simulum Paulsen, 1931 (unaccepted, synonym)
316. Species Peridinium sinaicum Matzenauer, 1933 (unaccepted, synonym)
317. Species Peridinium sinuosum Lemmermann, 1905 (unaccepted, synonym)
318. Species Peridinium solidicorne Mangin, 1926 (unaccepted, synonym)
319. Species Peridinium solitarium T.H.Abé, 1936 (unaccepted, synonym)
320. Species Peridinium somma Matzenauer, 1933 (unaccepted, synonym)
321. Species Peridinium sourniae F.J.R.Taylor, 1976 (unaccepted)
322. Species Peridinium sphaericum G.Murray & Whitting, 1899 (unaccepted)
323. Species Peridinium sphaeroideum Mangin, 1926 (unaccepted)
324. Species Peridinium spiniferum Claparède & Lachmann, 1859 (unaccepted)
325. Species Peridinium spiniferum J.Schiller, 1937 (unaccepted)
326. Species Peridinium spinulosum Murray & Whitting, 1899 (unaccepted, synonym)
327. Species Peridinium splendor-maris Ehrenberg, 1860 (unaccepted, synonym)
328. Species Peridinium steini Jörgensen, 1899 (unaccepted, synonym)
329. Species Peridinium steinii Jørgensen, 1889 (unaccepted, synonym)
330. Species Peridinium stellatum D.Wall, 1968 (unaccepted)
331. Species Peridinium styliferum J.Schiller, 1929 (unaccepted)
332. Species Peridinium subcurvipes Lebour, 1923 (unaccepted, synonym)
333. Species Peridinium subinerme Paulsen, 1908 (unaccepted, synonym)
334. Species Peridinium subinermis Paulsen, 1904 (unaccepted, synonym)
335. Species Peridinium subpyriforme P.-A.Dangeard, 1927 (unaccepted, synonym)
336. Species Peridinium subsalsum Ostenfeld, 1908 (unaccepted, synonym)
337. Species Peridinium sylvanae P.-A.Dangeard, 1927 (unaccepted)
338. Species Peridinium symmertricum Halim, 1967 (unaccepted, synonym)
339. Species Peridinium sympholis Hermosilla & Balech, 1969 (unaccepted, synonym)
340. Species Peridinium taeningi Rampi, 1950 (unaccepted, synonym)
341. Species Peridinium tatrae Schiller, 1937 (unaccepted, synonym)
342. Species Peridinium tenuissimum C.A.Kofoid, 1907 (unaccepted)
343. Species Peridinium thorianum Paulsen, 1905 (unaccepted, synonym)
344. Species Peridinium thulesense Balech, 1958 (unaccepted, synonym)
345. Species Peridinium tregouboffi Halim, 1955 (unaccepted, synonym)
346. Species Peridinium trichoceros Ehrenberg, 1860 (unaccepted, synonym)
347. Species Peridinium trilineatum Lindemann, 1919 (unaccepted, synonym)
348. Species Peridinium tripos (O.F.Müller) Ehrenberg, 1834 (unaccepted, synonym)
349. Species Peridinium tripos G.Murray & F.G.Whitting, 1899 (unaccepted, synonym)
350. Species Peridinium triquetra (Ehrenberg) Lebour, 1925 (unaccepted, synonym)
351. Species Peridinium triquetrum Schiller, 1937 (unaccepted, synonym)
352. Species Peridinium tristylum F.Stein, 1883 (unaccepted)
353. Species Peridinium trochoideum (F.Stein) Lemmermann, 1910 (unaccepted, synonym)
354. Species Peridinium truncatum H.W.Graham, 1942 (unaccepted, synonym)
355. Species Peridinium truncum T.H.Abé, 1936 (unaccepted)
356. Species Peridinium tumidum Okamura (unaccepted)
357. Species Peridinium turbinatum Mangin, 1926 (unaccepted, synonym)
358. Species Peridinium turgidum Meunier, 1910 (unaccepted, synonym)
359. Species Peridinium tyrrhenicum Balech, 1990 (unaccepted, synonym)
360. Species Peridinium uberrima G.J.Allman, 1855 (unaccepted, synonym)
361. Species Peridinium unipes Balech, 1962 (unaccepted, synonym)
362. Species Peridinium vancouverense Wailes, 1931 (unaccepted, synonym)
363. Species Peridinium varicans Paulsen, 1911 (unaccepted, synonym)
364. Species Peridinium variegatum N.Peters (unaccepted, synonym)
365. Species Peridinium ventralis Abé, 1936 (unaccepted, synonym)
366. Species Peridinium ventricum Abé, 1927 (unaccepted)
367. Species Peridinium venustum Matzenauer, 1933 (unaccepted, synonym)
368. Species Peridinium verrucosum Meunier, 1910 (unaccepted, synonym)
369. Species Peridinium volsella Margalef, 1965 (unaccepted, synonym)
370. Species Peridinium volzii Wołoszyńska, 1995 (unaccepted > unavailable name, lapsus)
371. Species Peridinium wiesneri J.Schiller, 1911 (unaccepted, synonym)
372. Species Peridinium yserense Meunier, 1919 (unaccepted, synonym)
373. Species Peridinium aequalis W.S.Kent (uncertain)
374. Species Peridinium annulatum C.A.Kofoid & J.R.Michener, 1911 (uncertain)
375. Species Peridinium ellipticum Karsten, 1907 (uncertain, uncertain taxonomic status subjected to verification)
376. Species Peridinium gravidum A.F.Meunier (uncertain)
377. Species Peridinium lenticulatum Fauré-Fremiet, 1908 (uncertain)
378. Species Peridinium loeblichii (E.R.Cox & H.J.Arnott) Dale, 1977 (uncertain)
379. Species Peridinium nodulosum C.A.Kofoid & J.R.Michener, 1911 (uncertain)
380. Species Peridinium rhombus A.F.Meunier (uncertain)
381. Species Peridinium spinosum J.Schiller, 1911 (uncertain)
382. Species Peridinium umbonatum Karsten, 1907 (uncertain, preliminary, not subjected to verification)

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