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 .
You can also click on one of labeled areas on the map to browse by location.
Amphora sp. L22
Valves semi-lanceolate with protracted rostrate ends. Dorsal margin convex; ventral margin slightly convex at the centre. Raphe branches straight, external and distal raphe endings deflected dorsally. Conopeum expanded, visible under LM as a longitudinal line running along the axial area. Axial area very narrow, widened on the ventral side towards the centre; central area small, bounded on the ventral side by the striae. Dorsal striae slightly radiate, ventral striae dash-like, not interrupted at the centre.
9.7 - 13.9 µm
2.4 - 3.4 µm