Freshwater dinoflagellates in Japan

 These dinoflagellates were collected from lakes and ponds mainly in Nagano Prefecture, central Japan. Our knowledge on freshwater dinoflagellates in Japan is still limited and now we are surveying the dinoflagellates of Hokkaido, northern Japan. (See also, Senzaki and Horiguchi (1994) Jpn. J. Phycol. 42:29-42)


Peridinium palatinum and Peridinium willei




Armoured dinoflagellates(Peridiniales, Gonyaulacales)



1. Peridiniuim berolinense, 2. Peridinium bipes, 3. Peridinium elpatiewsky, 4. Peridinium gatunense, 5. Peridinium lomnickii, 6. Peridinium palatinum, 7. Peridinium penardiforme, 8. Peridinium umbonatum, 9. Peridinium volzii, 10. Peridinium willei, 11. Ceratium hirundinella. scale bars = 10 um except Fig. 11 where scale bar indicates 50 um.


Unarmoured dinoflagellates(Gymnodiniales)


12. Gymnodinium limitatum, 13. Amphidinium elenkinii, 14. Gymnodinium thomasii, 15. Gymnodinium lacustre, 16. Gymnodinium austriacum, 17. Gymnodinium accuminatum, 18. Gymnodinium wawrikae, 19. Gymnodinium sp., 20. Gymnodinium uberrimum, 21. Gymnodinium sp., 22. Gymnodinium aeruginosum, 23. Gymnodinium helveticum, 24. Katodinium woloszynskae, 25. Katodinium mazuricum?, 26. Gyrodinium hyalinum, 27. Woloszynskia neglecta. scale bars = 10 um.


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