Spaulding, S.,
Edlund, M.
(2008).
Fistulifera.
In Diatoms of North America.
Retrieved May 01, 2026, from https://diatoms.org/genera/fistulifera?x-craft-preview=409442409a997390693ff24c7010fd6f1c96fb56f8f091fa016a63de9a54aaccecpiqubknd
Symmetric Biraphid
Fistulifera
Frustules lightly silicified
Striae not visible with light microscopy
Central sternum distinct
The frustules of Fistulifera are very lightly silicified. Valves range in shape from linear to elliptical. Cells are small (usually < 8 µm) and possess numerous thin girdle bands, up to fourteen or more. Striae are not visible with light microscopy. The central sternum is distinct and may remain in a sample after the thin frustule has...