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.
Patrick, R. & Reimer, C. W (1966). The Diatoms of the United States I. Monographs of the Academy of Natural Sciences of Philadelphia. Pennsylvania. pp. 303-304; 340-341 (pl.21:2a-2b)
Frustulia pellucida Kütz. 1833; Amphipleura pellucida (Kütz.) Kütz. 1844; 2 the type was designated by Cleve (1894) stating that "the genus Amphipleura was founded in 1844 by Kützing for Frustulia pellucida"
Valve is narrow and elongate to linear-lanceolate with rounded, obtuse ends; raphe branches are short, about 15-20µm, and connected by narrow siliceous rib (not variable in width as in other species); transverse striae are parallel throughout most of the valve, becoming somewhat radiate at the ends; longitudinal lines formed by the puncta are fine and very difficult to count; length is 80-140µm, breadth is 7-9µm; striae count is 37-40 in 10µm