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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)

Caloneis bacillum

Caloneis bacillum

(Grunow) Cleve
Witkowski et al. (2000):"Iconographia Diatomologica (Vol.VII). Diatom flora of marine coast I", pg.163, Pl.151:15-17;
Stauroneis bacillum (Grunow)
Ecological Preference:
Valves linear to linear-lanceolate with broadly rounded apices, 44-46µm long, 9-10µm broad. Raphe straight, axial area narrow, central area large with transverse facia reaching the valve margins on both sides of the valve. Transapical striae parallel 22 in 10µm.
  • Florida Bay Paleo Project
  • Dosing Project
  • Transect Project

  • Sample localities:
  • Water Conservation Areas (WCAs)