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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)

Caponea caribbea

Podzorski A.C. (1985): "An illustrated and annotatet chack-list of diatoms from the Black River Waterways, St. Elizabet, Jamaica", p.44, pl.12, fig.5, 6
Caponea caribbea Podzorski 1984; monotypic, type is by original designation
Ecological Preference:
Frustules are oblong; weakly silicified oval valves have broadly rounded apices and no intercalary bands; a group of spines (seen as bright bars) can be seen midway from the centre to the apices and on each side of the valve, where they form the corners of a thickened, "H"-shaped central area (the spines are met by a narrow annular silica membrane that rings the valve); striae are invisible; raphe is simple, with a narrow but distinct central nodule; axial area is linear; canopeum is oval in outline with broadly tapered apices, visible only in the apical region; length is 15.9-27µm, breadth is 6.5-8.3µm
  • Southeast Florida Coastal Mangroves
  • Dosing Project
  • CERP
  • Transect Project

  • Sample localities:
  • Water Conservation Area 2A (WCA 2A)