KRETSCHMANN, Juliane, Pawel M. OWSIANNY, Anze Zerdoner CALASAN, & Marc GOTTSCHLING 2018 (Feb. 23) The hot spot in a cold environment: puzzling Parvodinium (Peridiniopsidaceae, Peridiniales) from the Polish Tatra Mountains Protist 169(2): 206-230, 16 figs., 3 tables