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.
Witkowski et al. (2000). Iconographia Diatomologica (Vol.VII). Diatom flora of marine coast. Part 1. pg.134, Pl.169:9;
Frustules broadly lanceolate to elliptic, 45-80µm long, 30-65µm broad. Valves arcuate with convex dorsal margin and straight ventral margin with produced apices. Raphe cloas to the ventral margin, External central endings slightly bent towards the dorsal margin, axial area broad on the ventral side, central area semielliptic. Transapical striae punctate, radiate, 8-10 in 10µm.