| Gymnodinium ochraceum Kof., 1931 |
| Gymnodinium pachydermatum Kof. & Swezy, 1921 |
| Gymnodinium palustre A.J. Schilling, 1891 |
| Gymnodinium pseudopalustre Woloszynska |
| Gymnodinium pulvisculus (Ehrenb.) Stein, 1878 |
| Gymnodinium punctatum Pouchet, 1887 |
| Gymnodinium rhomboides Schütt, 1895 |
| Gymnodinium rotundatum G.A. Klebs, 1912 |
| Gymnodinium rubrum Kof. & Swezy, 1921 |
| Gymnodinium sanguineum K. Hirasaka, 1922 |
| Gymnodinium scopulosum Kof. & Swezy, 1921 |
| Gymnodinium simplex (Lohmann) Kof. & Swezy, 1921 |
| Gymnodinium situla Kof. & Swezy, 1921 |
| Gymnodinium spirale Bergh, 1881 |
| Gymnodinium splendens Lebour, 1925 |
| Gymnodinium translucens Kof. & Swezy, 1921 |
| Gymnodinium uberrimum (G.J. Allman) Kof. & Swezy, 1921 |
| Gymnodinium variabile Herdmann, 1924 |
| Gymnodinium vestificii F. Schütt, 1895 |
| Gymnodinium viridescens Kof., 1931 |