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.
Krammer K. (1997):"Die cymbelloiden diatomeen. Eine monographie der weltweit bekannten taxa. Teil.2. Encyonema part., Encyonopsis and Cymbellopsis", pg.73,74, Fig.142:1-7,
Valve is dorsi-ventral or lanceolate, with convex dorsal and (weakly convex) ventral margins, and rostrate ends that curve weakly to the ventral side; axial area is linear and narrow, no central area; raphe is filiform, with the proximal ends turned dorsally and the distal ends ventrally curved; length is 13-28µm, breadth is 3.7-5µm (maximum length/breadth is 5-6:1); striae count is 21-23 in 10µm (37-42 punctae in 10µm)