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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 semperpalorum


Authority:
Wachnicka & Gaiser
Year:
2007
Ecological Preference:
Brackish-Fresh
Description:
Valves semi-lanceolate, with protracted, capitate ends. Dorsal margin convex, ventral margin straight. Raphe straight, terminal fissures bent dorsally, central fissures deflected dorsally. Conopeum warped up far from the valve face and widened towards the distal ends. Axial area narrow, linear; central area absent on the dorsal side, on the ventral side expanded (visible only under SEM). Dorsal striae very dense, hardly resolvable under LM, radiate throughout the valve, crossed by two costae easily visible under LM. Ventral striae very short, interrupted at the center, hardly visible under LM.
Notes:
Common in coastal mangroves with salinity between 15 - 20ppt and water depth < 0.3m.
Length:
64 - 67 µm
Width:
4.9 - 5.2 µm
Strd:
30 - 33
Strv:
ca. 45
Projects:
  • Southeast Florida Coastal Mangroves


    • Sample localities:
  • Coastal Mangroves