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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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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 obtusa var. radula


Authority:
Cleve
Year:
1895
References:
Peragallo & Peragallo (1897 - 1908). Diatoms of France (Atlas), pg. 218, PL.XLVIII, fig.6;
Ecological Preference:
Marine
Description:
Valves linear with oblique bluntly rounded ends slightly deflected ventrally. Dorsal margin flattened; ventral margin more or less straight. Raphe branches abruptly arched. Proximal and distal ends deflected ventrally. Axial area narrow, linear; central area slightly expanded at the dorsal side. Dorsal and ventral striae delicately punctuate parallel at the center becoming radiate towards the ends.
Length:
88.5 µm
Width:
11.5 µm
Strd:
25
Strv:
25
Projects:
  • Southeast Florida Coastal Mangroves


    • Sample localities:
  • Coastal Mangroves