• Category
  • Length Range
    27.0-150.0 µm
  • Width Range
    4.0-5.0 µm
  • Striae in 10 µm
    29-34

Identification

Description

The valves are linear to linear-lanceolate, with apices acutely rounded. The raphe keel is not positioned on the margin, but slightly off the margin. Fibulae are distinct, irregular in size, and relatively broad and with a density of 7-9 in 10 µm. A prominent central nodule is present. Striae are indistinctly punctate and fine, but visible under LM.

Original Description

  • Basionym
    Homoecladia filiformis
  • Author
    W.Sm. 1856

Original Images

Filiformistext

Cite This Page

Kociolek, P. (2011). Nitzschia filiformis. In Diatoms of North America. Retrieved February 25, 2025, from https://diatoms.org/species/46808/nitzschia_filiformis