New and noteworthy chrysophycean stomatocysts from the Steppe zone of South Urals (Russia) with comments on the morphological variability.

Morphology of seven chrysophycean stomatocysts was studied using scanning electron microscopy. All stomatocysts were recorded from the shallow lakes located in the Steppe zone of South Urals. Four morphotypes (stomatocyst 373 Taylor et Smol, stomatocyst 68 Van de Vijver et Beyens, stomatocyst 99 Pang et Wang and stomatocyst 101 Pang et Wang Forma B) are rare and reported for the first time in Russia.

Diversity of Silica-Scaled Chrysophytes in the Steppe Zone of the Southern Urals with a Description of a New Species from the Genus .

This paper is devoted to the study of the flora of silica-scaled chrysophytes in water bodies of the steppe zone of the Southern Urals (Russia). Twenty-four taxa were identified via scanning and transmission electron microscopy, twenty of which are representatives of the genus Perty, while four are species of the genus Ehrenberg. In the course of the study, a species new to science from the genus , sp.

On stomatocysts of Paraphysomonas caelifrica (Stramenopiles, Paraphysomonadida).

Stomatocysts of the rare heterotrophic chrysophyte, Paraphysomonas caelifrica, were discovered from a shallow ephemeral pond Tavolgasai ("Orenburgskiy" State Nature Reserve, Orenburg Region, Russia). Morphology of stomatocysts was studied using scanning electron microscopy. Stomatocysts of P.