Welcome to the Diatom Image Database! The Periphyton Group at Florida International University created and maintains the Diatom Image Database, which includes over 980 diatom taxa found in the greater Everglades region of south Florida. Please send questions or comments about the Diatom Image Database to Franco Tobias .
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Krammer & Reichardt
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. 96; 338-339 [t.144:1]; 350-351 [t.150:19-21]
Encyonopsis subminuta Krammer & Reich. 1997
Valve is weakly symmetrical dorsi-ventrally, lanceolate with weakly convex dorsal and ventral margins and narrowly capitate or rounded ends that may or may not have dorsal or ventral constriction; axial area is narrow and linear, central area is missing; raphe is filiform, with proximal ends pointing dorsally, and distal ends ventrally recurved; dorsal and ventral striae are radial throughout, evenly spaced on both sides of the raphe, and as far apart in the middle as at the poles; length is 10-25µm, breadth is 3.4-4.5µm (maximum length-to-width ratio is 5.6:1); striae count is 23-26 in 10µm (36-45 punctae in 10µm)
specimens recorded have slightly larger length and breadth values than as described