References:
Krammer, K. and Lange-Bertalot, H. (1991). Baccilariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. in: Süßwasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig & D. Mollenhauer, eds), 2(2), pp. 132-133; 398-399 [t.91:1-4]
Synonyms:
Synedra spectabilis Ehr. 1843; Nitzschia brebissonii W. Sm. 1853; Nitzschia spectabilis (Ehr.) Ralfs in Pritchard 1861; Nitzschia spectabilis W. Sm. 1853 non (Ehr.) Ralfs 1861; Nitzschia armoricana (Kütz. 1844) Grun. 1862; Sigmatella brebissonii Kütz. 1849; Nitzschia vivax W. Sm. 1853; Nitzschia vivax Hantzsch 1860; Nitzschia insignis var. smithii (Ralfs in Pritchard 1861) Grun. in van Heurck 1881; Synedra brebissonii (Kütz. 1849) De Toni 1892
Description:
Frustules in girdle view slightly sigmoid; valve is linear; keel punctae regular (4-6 fibulae in 10µm), and striae is punctate; length is 150-ca. 500µm, breadth is 10-15µm; striae count is 9-12 in 10µm