TONICELLI, Gina A., Maria Emilia CROCE, Pilar DÍAZ-TAPIA, Suzanne FREDERICQ, David Wilson FRESHWATER, Maria Cecilia GAUNA, Elisa R. PARODI, Heroen VERBRUGGEN, & Max H. HOMMERSAND 2021 (Jan. 15) Meridionella gen. nov., a new genus of Cystocloniaceae (Gigartinales, Rhodophyta) from the Southern Hemisphere, including M. obtusangula J. Phycol. 57(3): 797-816, 9 figs., 1 table