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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 cymbifera var. heritierarum


Authority:
(Gregory 1857) Wachnicka & Gaiser
Year:
2004
Ecological Preference:
Brackish
Description:
Valves semi-lanceolate with protracted capitate ends slightly deflected towards the ventral side. Dorsal margin convex sometimes flattened at the central part, ventral margin straight to gently concave. Raphe branches straight. Proximal and distal ends deflected dorsally. Conopeum present and clearly visible in all specimens. Axial area narrow, linear; central area absent on the dorsal side, on the ventral side bordered by ventral striae. Dorsal striae straight at the center becoming radiate towards the ends. Ventral striae short, dash-like, uninterrupted at the center.
Notes:
Commonly recorded in coastal mangroves near Biscayne Bay from sites with salinity 20 – 30ppt and water level < 0.5m. Occasionally found in samples collected from Biscayne Bay and Florida Bay.
Length:
32.3 - 67.6 µm
Width:
6.7 - 11.6 µm
Strd:
12 - 17
Strv:
18 - 23
Projects:
  • Southeast Florida Coastal Mangroves


    • Sample localities:
  • Coastal Mangroves