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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Brebissoni ex Kutzing
Podzorski A.C. (1985): "An illustrated and annotatet chack-list of diatoms from the Black River Waterways, St. Elizabet, Jamaica", p.23, PL. 3, fig.2; F. Husted (1930):"Susswasser-Flora Miteleuropas", p.186,187, fig.258; Patric R. & Ch.W. Reimer (1966):"The diatoms of the United States", Vol.1, p.187,188; Pl.10, fig.1; Schmidt A. (1902):"Atlas der diatomaceenkunde", Vol.III, Taf.291, fig.9-14
Frustules are linear in girdle view; valve is linear, usually slightly arched, somewhat swollen to form more or less capitate ends; width of valve at the ends is usually a little greater than at centre; terminal nodules are very distinct and are at or near the very ends of ventral margin of valve; raphe appendage extends towards the valve centre from dorsal margin of terminal nodules; jelly pore present at one apex of valve; striae are equidistant, indistinctly punctate; length is 80-300µm, breadth is 2-5µm; striae count usually 15-19 in 10µm (Hustedt  states that striae are 14-18 in 10µm; Cleve-Euler  contends that striae are distinctly punctate, about 11-20 in 10µm, with valve length 80-300µm, breadth 1.5-8µm)