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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)

Amphora proteus

Amphora proteus

Amphora proteus

Schoeman, F.R. & R.E.M. (1986). Observations on Amphora species (Bacillariophyceae) in British Museum (Natural History). V. Some species from the subgenus Amphora. S. Afr. Tydskr. Plantk, 52 (5), pg.425-437, figs 70-80; Wikowski et al. (2000):"Iconographia Diatomologica (Vol.VII). Diatom flora of marine coast I", pg.148, Pl.161:1,2, Pl.162:5,6; Foged N. (1984):"Freshwater and littoral diatoms from Cuba", Pl.XII, fig.1-3, Pl.LV, fig1-3; Peragallo MM.H. et M. (1897 - 1908):"Diatoms of France (Atlas)", PL.XLIV, fig.23; Peragallo MM.H. et M. (1897 - 1908):"Diatoms of France (Texte)", pg.200, 201
Amphora kariana (Grunow in Cleve & Grunow, 1880), Amphora hexagonalis (Witt, 1873), Amphora speciosa (Castracane, 1886), Amphora proteus var. kariana (Grunow in Cleve & Grunow, 1880)Zanon, 1929), Amphora affinis var. proteus (Gregory, 1857) Tempere et Peragallo, 1908), Amphora proteus var. gregorii (Cleve-Euler, 1953)
Ecological Preference:
Frustule elliptic, 50-115µm long, 25-55µm broad. Valves semi-elliptic with convex dorsal margin and concave ventral margin and obtusly rounded apices. Raphe strongly bent, distant from the ventral margin. Axial area narrow on the dorsal side, irregular on the ventral side, central area large on the ventral side. Dorsal striae radiate, crossed by undulating longitudinal ribs, 9-12 in 10µm, ventral striae 8-13 in 10µm.
52 - 81.3 µm
14 - 18 µm
10 - 12
9 - 12
  • Southeast Florida Coastal Mangroves
  • Florida Bay Paleo Project
  • Biscayne Bay Paleo Project

  • Sample localities:
  • Biscayne Bay (BISC)