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.
Montgomery R.T. (1978):"Environmental and ecological studies of the diatom communites associated with the coral reefs of the Florida Keys", Vol.I, Pl.28:E-F;
Valves semi-elliptical to semi-lanceolate with truncate apices. Dorsal margin convex; ventral margin straight to slightly convex. Raphe branches straight. Axial area narrow, linear. Central area expanded dorsally in the form of a narrow fascia reaching the valve margin. Dorsal striae distinctly punctate and parallel; interrupted at the center by transapical fascia. Ventral striae very short, interrupted at the center, easily visible under LM.
Rare in surface sediments from Trout Cove, Florida Bay with water depth < 1m and salinity ranging between 0 – 30ppt.