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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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Map of south Florida Loxahatchee (LOX) WCA 2A WCA 3A Biscayne Bay Shark River Slough (SRS) Taylor Slough (TS) Florida Bay Everglades National Park (ENP) Everglades National Park (ENP)

Amphora sp. F45

Ecological Preference:
Valves semi-linear with broadly rounded ends deflected ventrally. Dorsal margin convex, flattened; ventral margin straight. Raphe branches slightly arched dorsally; proximal and distal ends bent dorsally. Axial area developed on ventral side; central area developed on the ventral side reaching the valve margin. Conopeum clearly visible as a longitudinal line running along the axial area. Dorsal striae parallel at the center becoming radiate towards the ends. Ventral striae present only near the ends, not always visible under LM.
Common in surface sediments from Sprigger Bank, Florida Bay at water depth (< 2m) with relatively high salinity (30 - 40ppt.).
50.8 µm
7.7 µm
  • Florida Bay Paleo Project

  • Sample localities:
  • Florida Bay