Eunotia luna var. aequalis f. paucistriata 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. paucistriata Frenguelli 1933 , Anales del Museo Nacional de Historia Natural 37, p. 445, pl. 8, fig. 3.

Type:— ARGENTINA. Corrientes, Laguna Itatí-Rincón, Esteros del Iberá , 28º42’26”S, 58º6’45”W, T. Zanni, November 1922. Lectotype (here designated): Frenguelli Collection Series 268, slide 268 (2), England Finder K /44–1 = Fig. 13 .

Figures

FIGURES 1–15. Eunotia luna var aequalis Hustedt sensu Frenguelli and E. luna var. aequalis f. paucistriata Frenguelli. 1. Eunotia luna var aequalis Hustedt sensu Frenguelli. Original drawing of Frenguelli. 2. E. luna var. aequalis f. paucistriata Frenguelli. Original drawing. 3–15. LM. Size diminution series, note the variability in striae arrangement. 4, 8–9, 11. Specimens matching E. luna var. aequalis. 5, 13, 15. Specimens matching to E. luna var. aequalis f. paucistriata. 3, 6–7, 10, 12, 14. Specimens that could not be undoubtedly assigned to one of the mentioned taxa. 1–13, 15. Specimens from Series 268. 13. Lectotype of E. luna var. aequalis f. paucistriata. 14. Specimen from Series 261. Scale bars = 10 µm.