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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Amphora sp. F44
Valves semi-elliptic with protracted capitate ends. Dorsal margin convex; ventral margin slightly concave. Raphe branches straight; proximal and distal ends bent dorsally. Dorsal striae slightly radiate crossed by longitudinal costa at the central portion of the valve. Ventral striae not resolvable under LM.
Common in coastal mangroves near Biscayne Bay at sites with shallow water (< 0.5m) and salinity ranging between 20 – 30ppt, and on seagrass at Sprigger Bank, Florida Bay where water depth is < 2m and salinity varies between 30 – 35ppt.
18.9 - 22 µm
5 - 6 µm
20 - 21