(Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), 1984) Balech, E.; Akselman, Rut; Negri, R.M.
The present work is a supplement of the monography "The dinoflagellates of the Southwestern Atlantic" by E. Balech (in press). Eightenn species belonging to the genera Ceratium, Dinophysis, Diplopelta, Gonyaulax, Heterochisma. Oblea, Oxyphysis, and Protoperidinium are discussed on accurt of their presence, up to the present unknown in the area. Comments on their geographical distributions, ecological requirements and morphological details are included in the work.