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 .
You can also click on one of labeled areas on the map to browse by location.
in Hustedt (1985)
Jensen, N.G.: F. Hustedt. The Pennate Diatoms. A translation of Hustedt's "Die Kieselalgen, 2. Teil", pg.453, fig.964;
Valves linear-lanceolate with protracted ends, 53µm long, 17.7µm broad. Raphe branches straight, except the part close to central nodule where they become unilaterally bent. Transapical striae 10 in 10µm, crossed by distinct longitudinal ribs. Partecta uniform in shape, 5 in 10µm, 3.27wide, 1.78µm toll.
40 - 50 µm
15 - 16
6 - 8