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.
(Brebisson) Round & Mann
Lange-Bertalot & Moser (1994), pg.61, fig. 1:3,4; 2: 1,2; 13: 13; 14: 1-4; 35: 1-3; 36: 1-3, 8, 10
Navicula serians (Brebisson ex Kutzing 1844), Anomoeoneis serians (Brebisson) Cleve 1895)
Valves rhombic-lanceolate, with convex sides and acute ends, axial area narrow, linear-lanceolate. Raphe straight, filiform. Central area ovoid to elliptical. Striae slightly radiate, crossed by longitudinal undulating lines.
Found in the bottom part (ca. 158cm and lower) of the sediment core collected in Featherbed Bank, central part of Biscayne Bay. According to Patrick & Reimer (1966) this species is often recorded in swamps and lakes, occasionally in rivers.