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Diatom Image Database

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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You can also click on one of labeled areas on the map to browse by location.
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 acuta

Amphora acuta


Authority:
Gregory
Year:
1857
References:
Gregory 1857, p. 524, pl. 14, figs 93, 93b
Ecological Preference:
Marine
Description:
Valves semi-elliptical with acute ends deflected dorsally. Dorsal margin convex; ventral margin straight to slightly convex. Raphe branches straight near the center, deflected ventrally. Axial area narrow, linear. Central area on the dorsal side extended into narrow fascia reaching valve edge. Dorsal striae distinctly punctate, parallel at the center, becoming slightly radiate towards the ends. Ventral striae not resolvable under LM
Projects:
  • Southeast Florida Coastal Mangroves


    • Sample localities:
  • Coastal Mangroves