1. Species Gyrodinium aciculatum G.Hansen & J.Larsen, 1992
2. Species Gyrodinium acutum (Schütt) Kofoid & Swezy, 1921
3. Species Gyrodinium antarcticum Hasle, 1960
4. Species Gyrodinium apidiomorphum Norris, 1961
5. Species Gyrodinium arcticum Bursa, 1961
6. Species Gyrodinium ascendans Kofoid, 1931
7. Species Gyrodinium atractos J.Larsen, 1996
8. Species Gyrodinium aureum (Conrad) J.Schiller, 1928
9. Species Gyrodinium bepo (Schutt), 1895
10. Species Gyrodinium biconicum Kofoid & Swezy, 1921
11. Species Gyrodinium bistellatum Conrad & Kufferath, 1954
12. Species Gyrodinium britannia Kofoid & Swezy, 1921
13. Species Gyrodinium californicum Bursa, 1962
14. Species Gyrodinium calyptoglyphe Lebour, 1925
15. Species Gyrodinium capsulatum Kofoid & Swezy, 1921
16. Species Gyrodinium carteretense P.H.Campbell, 1973
17. Species Gyrodinium caudatum Kofoid & Swezy, 1921
18. Species Gyrodinium chiasmonetrium Norris, 1961
19. Species Gyrodinium citrinum Kofoid, 1931
20. Species Gyrodinium cochlea Lebour, 1925
21. Species Gyrodinium complanatum P.H.Campbell, 1973
22. Species Gyrodinium concentricum (Lebour) Kofoid & Swezy, 1921
23. Species Gyrodinium conicum Schiller, 1928
24. Species Gyrodinium contortum (Schütt) Kofoid & Swezy, 1921
25. Species Gyrodinium corallinum Kofoid & Swezy, 1921
26. Species Gyrodinium cornutum (Pouchet) Kofoid & Swezy, 1921
27. Species Gyrodinium crassum (Pouchet) Kofoid & Swezy, 1921
28. Species Gyrodinium culeus Kofoid & Swezy, 1921
29. Species Gyrodinium cuneatum Kofoid & Swezy, 1921
30. Species Gyrodinium dominans Hulbert, 1957
31. Species Gyrodinium dorsum Kofoid & Swezy, 1921
32. Species Gyrodinium estuariale E.M.Hulbert, 1957
33. Species Gyrodinium ferrugineum Kofoid, 1931
34. Species Gyrodinium fissoides Elbrachter, 1979
35. Species Gyrodinium flagellare Schiller, 1928
36. Species Gyrodinium flavescens Kofoid & Swezy, 1921
37. Species Gyrodinium flavidum Kofoid & Swezy, 1921
38. Species Gyrodinium flavum Kofoid, 1931
39. Species Gyrodinium foliaceum Kofoid & Swezy, 1921
40. Species Gyrodinium formosum P.H.Campbell, 1973
41. Species Gyrodinium fulvum Kofoid & Swezy, 1921
42. Species Gyrodinium fusiforme Kofoid & Swezy, 1921
43. Species Gyrodinium fusus (Meunier) Akselman, 1985
44. Species Gyrodinium glaciale Hada, 1970
45. Species Gyrodinium glaebum Hulburt, 1957
46. Species Gyrodinium granlandicum Braarud
47. Species Gyrodinium grave (Meunier) Kofoid & Swezy, 1921
48. Species Gyrodinium grenlandicum Braarud, 1935
49. Species Gyrodinium grossestriatum P.H.Campbell, 1973
50. Species Gyrodinium gutrula J.Larsen, 1996
51. Species Gyrodinium guttula J.Larsen, 1996
52. Species Gyrodinium herbaceum Kofoid & Swezy, 1921
53. Species Gyrodinium heterogrammum J.Larsen, 1996
54. Species Gyrodinium impendans J.Larsen, 1996
55. Species Gyrodinium intortum Kofoid & Swezy, 1921
56. Species Gyrodinium jusiforme Koifoid & Swezy, 1921
57. Species Gyrodinium katodiniascens P.H.Campbell, 1973
58. Species Gyrodinium kofoidii Norris, 1961
59. Species Gyrodinium lacryma (Meunier) Kofoid & Swezy, 1921
60. Species Gyrodinium lebouriae E.C.Herdman, 1924
61. Species Gyrodinium leptogrammum J.Larsen, 1996
62. Species Gyrodinium lingulifera Lebour, 1925
63. Species Gyrodinium linguliferum Lebour, 1925
64. Species Gyrodinium longum (Lohmann) Koifoid & Swezy, 1921
65. Species Gyrodinium louisae Conrad & Kufferath, 1954
66. Species Gyrodinium maculatum Kofoid & Swezy, 1921
67. Species Gyrodinium melo Kofoid & Swezy, 1921
68. Species Gyrodinium metum Hulburt, 1957
69. Species Gyrodinium mitra Kofoid & Swezy
70. Species Gyrodinium mitrum Kofoid & Swezy, 1921
71. Species Gyrodinium moestrupii E.Y.Yoon, N.S.Kang & H.J.Jeong, 2011
72. Species Gyrodinium mundulum P.H.Campbell, 1973
73. Species Gyrodinium nasutum (Wulff) Schiller, 1933
74. Species Gyrodinium obtusum (Schütt) Kofoid & Swezy, 1921
75. Species Gyrodinium oceaniae Okolodkov, 1997
76. Species Gyrodinium ochraceum Kofoid & Swezy, 1921
77. Species Gyrodinium opimum (Schütt) Lebour, 1925
78. Species Gyrodinium ovatum (Gourret) Kofoid & Swezy, 1921
79. Species Gyrodinium ovoideum Kofoid & Swezy, 1921
80. Species Gyrodinium ovum (Schütt) Kofoid & Swezy, 1921
81. Species Gyrodinium parvulum (Schütt) Kofoid & Swezy, 1921
82. Species Gyrodinium pellucidum (Wulff) J.Schiller, 1933
83. Species Gyrodinium pepo (Schütt) Kofoid & Swezy, 1921
84. Species Gyrodinium phorkorium Norris, 1961
85. Species Gyrodinium pingue (Schütt) Kofoid & Swezy, 1921
86. Species Gyrodinium postmaculatum Kofoid & Swezy, 1921
87. Species Gyrodinium prunus (Wulff) Lebour, 1925
88. Species Gyrodinium rhabdomante Balech, 1973
89. Species Gyrodinium rubricaudatum Kofoid & Swezy, 1921
90. Species Gyrodinium rubrum (Kofoid & Swezy) Y.Takano & T.Horiguichi, 2004
91. Species Gyrodinium schuettii (Lemmermann) Kofoid & Swezy, 1921
92. Species Gyrodinium spirale (Bergh) Kofoid & Swezy, 1921
93. Species Gyrodinium spumantia Kofoid & Swezy, 1921
94. Species Gyrodinium striatissimum (E.M.Hulburt) Gert Hansen & Ø.Moestrup, 2000
95. Species Gyrodinium submarinum Kofoid & Swezy, 1921
96. Species Gyrodinium sugashimanii J.Cachon, H.Saton, M.Cachon & S.Sato, 1989
97. Species Gyrodinium truncatum Kofoid & Swezy, 1921
98. Species Gyrodinium truncus Kofoid & Swezy, 1921
99. Species Gyrodinium uncatenatum Hulbert, 1957
100. Species Gyrodinium undulans Hulbert, 1957
101. Species Gyrodinium varians (Wulff) Schiller, 1933
102. Species Gyrodinium vesiculosum J.Larsen, 1996
103. Species Gyrodinium virgatum Kofoid & Swezy, 1921
104. Species Gyrodinium viridescens Kofoid & Swezy, 1921
105. Species Gyrodinium vorax Biecheler, 1952
106. Species Gyrodinium wulffii Schiller, 1933
107. Species Gyrodinium zeta J.Larsen, 1996
108. Species Gyrodinium acrotrochum J.Larsen, 1996 accepted as Takayama acrotrocha (J.Larsen) Salas, Bolch & Hallegraeff, 2003 (synonym)
109. Species Gyrodinium aureolum E.M.Hulburt, 1957 accepted as Gymnodinium aureolum (E.M.Hulburt) Gert Hansen, 2000 (synonym)
110. Species Gyrodinium calyptroglyphe Lebour, 1925 accepted as Sclerodinium calyptroglyphe (Lebour) J.D.Dodge, 1981 (synonym)
111. Species Gyrodinium calyptroglyphe Schiller, 1933 accepted as Sclerodinium calyptroglyphe (Lebour) J.D.Dodge, 1981 (synonym)
112. Species Gyrodinium calyptroglyphe Drebes, 1974 accepted as Sclerodinium calyptroglyphe (Lebour) J.D.Dodge, 1981 (synonym)
113. Species Gyrodinium cladochroma J.Larsen, 1996 accepted as Takayama cladochroma (J.Larsen) M.F.Salas, Bolch & Hallegraeff, 2003 (synonym)
114. Species Gyrodinium cohnii Schiller, 1933 accepted as Crypthecodinium cohnii (Seligo) Javornicky, 1962 (synonym)
115. Species Gyrodinium corsicum Paulmier, Berland, Billard & Nezan, 1995 accepted as Karlodinium corsicum (Paulmier, Berland, Billard & Nezan) Siano & Zingone, 2009
116. Species Gyrodinium elongatum J.Schiller, 1955 accepted as Gymnodinium elongatum (J.Schiller) Moestrup & Calado, 2018 (synonym)
117. Species Gyrodinium falcatum Kofoid & Swezy, 1921 accepted as Pseliodinium fusus (F.Schütt) F.Gómez, 2018
118. Species Gyrodinium fissum (Levander) Kofoid & Swezy, 1921 accepted as Levanderina fissa (Levander) Moestrup, Hakanen, Gert Hansen, Daugbjerg & M.Ellegaard, 2014
119. Species Gyrodinium fucorum Kofoid & Swezy, 1921 accepted as Crypthecodinium cohnii (Seligo) Javornicky, 1962 (synonym)
120. Species Gyrodinium galatheanum (Baarud) Taylor, 1992 accepted as Karlodinium veneficum (D.Ballantine) J.Larsen, 2000 (synonym)
121. Species Gyrodinium glaucum (Lebour) Kofoid & Swezy, 1921 accepted as Lebouridinium glaucum (Lebour) F.Gómez, H.Takayam, D.Moreira & P.López-García, 2016 (synonym)
122. Species Gyrodinium impudicum S.Fraga & I.Bravo, 1995 accepted as Gymnodinium impudicum (S.Fraga & I.Bravo) Gert Hansen & Moestrup, 2000 (synonym)
123. Species Gyrodinium instriatum Freudenthal & J.J.Lee, 1963 accepted as Levanderina fissa (Levander) Moestrup, Hakanen, Gert Hansen, Daugbjerg & M.Ellegaard, 2014 (synonym)
124. Species Gyrodinium lacryma (Meunier) Kofoid & Swezy accepted as Gyrodinium lacryma (Meunier) Kofoid & Swezy, 1921 (misspelling)
125. Species Gyrodinium oblongum J.Larsen & D.J.Patterson, 1990 accepted as Moestrupia oblonga (J.Larsen & D.J.Patterson) Gert Hansen & Daugbjerg, 2011 (synonym)
126. Species Gyrodinium pallidum J.Schiller, 1955 accepted as Gymnodinium lividum Moestrup & Calado, 2018
127. Species Gyrodinium pavillardii Biecheler, 1952 accepted as Levanderina fissa (Levander) Moestrup, Hakanen, Gert Hansen, Daugbjerg & M.Ellegaard, 2014
128. Species Gyrodinium pulchellum accepted as Gymnodinium pulchellum J.Larsen, 1994 accepted as Takayama pulchella (Larsen) de Salas, Bolch & Hallegraeff, 2003
129. Species Gyrodinium resplendens Hulburt, 1957 accepted as Barrufeta resplendens (Hulburt) H.Gu, Z.Luo & K.N.Mertens, 2015
130. Species Gyrodinium traunsteineri Lindemann, 1928 accepted as Gymnodinium uberrimum (G.J.Allman) Kofoid & Swezy, 1921 (synonym)
131. Species Gyrodinium uncatenum Hulburt, 1957 accepted as Levanderina fissa (Levander) Moestrup, Hakanen, Gert Hansen, Daugbjerg & M.Ellegaard, 2014 (synonym)

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