Eunotia luna var. aequalis f. major Frenguelli 1933

Guerrero, José M. & Vouilloud, Amelia A., 2022, Taxonomic revision of Eunotia luna var. aequalis f. paucistriata Frenguelli and E. luna var. aequalis f. major Frenguelli: analysis of type material, lectotypification and current taxonomic status, Phytotaxa 561 (3), pp. 291-300 : 298

Eunotia luna var. aequalis f. major Frenguelli 1933 , Anales del Museo Nacional de Historia Natural 37, p. 446, pl. 8, fig. 1.

Type:— ARGENTINA. Corrientes, Estero del Carambola, Esteros del Iberá , 28º28’29”S, 57º49’46”W, J. Frenguelli, December 8 th, 1923. Lectotype (here designated): Frenguelli Collection! Series 265, slide 265 (10), England Finder Q /37–2 = Fig. 32 .

Additionally, we propose the following nomenclatural updates:

Figures

FIGURES 27–36. Eunotia luna var. aequalis f. major Frenguelli. 27. Original drawing of Frenguelli. 28–33. LM. Size diminution series. 34–36. SEM. Internal views. 34. General view of a tilted valve. 35. Detail of valve center showing the arrangement of striae. 36. Detail of the valve apex showing mantle areolation pattern in external view; note the raphe on the mantle in external view. 28–29. Specimen from Series 264. 30–36. Specimens from Series 265. 32. Lectotype of E. luna var. aequalis f. major. Scale bar = 10 µm (Figs 27–34), 5 µm (Figs 35–36).