Dinoflagellate Cucumeridinium coeruleum

BALECHINA AND THE NEW GENUS CUCUMERIDINIUM GEN. NOV. (DINOPHYCEAE), UNARMORED DINOFLAGELLATES WITH THICK CELL COVERINGS Journal of Phycology DOI: The genus Balechina (=subgenus Pachydinium) was established for heterotrophic gymnodinioid dinoflagellates with a thick cell covering. The type species, B. pachydermata (=Gymnodinium pachydermatum ), showed numerous fine longitudinal striae, whereas B. coerulea (=G. coeruleum) showed ~24 prominent longitudinal surface ridges or furrows and a dis