Eunotia deficiens Metzeltin & Lange-Bertalot 2005

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 : 299

Eunotia deficiens Metzeltin & Lange-Bertalot 2005 , Iconographia Diatomologica 15, p. 48, Fig. 22 : 5

Synonyms:— Eunotia luna var. aequalis Hustedt sensu Metzeltin & Lange-Bertalot 1998 Iconographia Diatomologica 5, figs 23: 1–7; 46: 4.

Eunotia luna var. aequalis Hustedt sensu Frenguelli 1933 , Anales del Museo Nacional de Historia Natural 37, p. 445, pl. 8, fig. 2.

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

Figures

FIGURES 16–26. Eunotia luna var aequalis Hustedt sensu Frenguelli and E. luna var. aequalis f. paucistriata Frenguelli. SEM. 16–20. Valves in external views. 16–18. General views 19. Detail of valve apex. 20. Valve slightly tilted showing the dorsal mantle with short striae. 21–25. Valves in internal view. 21–22. General views. 23. Detail of valve center showing the arrangement of striae. 24. Detail of the valve apex. 25. Detail of the striae in the valve center; note the areolae located in narrow troughs. 26. Tilted valve showing the raphe on the ventral mantle; note the different areolation pattern between the raphe and the valve margin (arrows). 16–20, 23–25. Specimens from Series 264. 21. Specimen from Series 261. 22. Specimen from Series 264. 26. Specimen from Series 268. Scale bars = 10 µm (Figs 16–18, 20–23, 26), 5 µm (Figs 19, 24), 2 µm (Fig. 25).