Diagnosis and description of the new variety of Peridinium gatunense var. kinnereta Krachmalny var. nov. from the lake Kinneret (Israel) are given. This variety differs from the type one by the morphology and position of the apical plates and sutures between them (1’ – asymmetrical, large, its upper part is shifted to the left side of the body; 3’ – wedge, elongated; 4’ – almost rectangular, its length more than twice exceeds the width; sutures between 4’ and 7’’, 4’ and 1’ plates form an almost straight line; suture between 1’ and 2’ is considerably less than between1’ and 4’ plates, consequently the shape of the plate 1' is close to triangular). Comparison between P. gatunense var. kinnereta and the samples from the other regions where this species is recorded (fresh reservouars of the North, Central and South America, Central Africa, Europe and Tasmania) was carried out.

Keywords: Israel, Lake Kinneret, Peridinium gatunense var. kinnereta Krachmalny var. nov., Dinophyta, Dinoflagellata

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