Nitzschia valdecostata

Lange-Bertalot and Simonsen 1978      Category: Nitzschioid
BASIONYM: Nitzschia valdecostata Lange-Bertalot and Simonsen 1978

Nitzschia sociabilis


Nupela carolina

LM scalebar = 10 µm = 80 pixels.


Contributor: Pat Kociolek - September 2011
Length Range: 10-25 µm
Width Range: 3.0-5.0 µm
Striae in 10 µm: 17-19


The valves are linear-elliptical, with the smallest valves elliptical in outline. The apices are rounded. The raphe has stout, distinct fibulae with a density of 7-9 in 10 µm. The middle two fibulae are closer together than the others. The striae are distinct, with the areolae being either not resolved, or indistinct.

Original Description

Basionym: Nitzschia valdecostata
Author: Lange-Bertalot and Simonsen 1978
Length Range: 14.0-25.0 µm
Width Range: 3.5-4.0 µm
Striae in 10 µm: 17-19

Original Description

Original Images

Cite This Page:
Kociolek, P. (2011). Nitzschia valdecostata. In Diatoms of the United States. Retrieved September 25, 2016, from

Species: Nitzschia valdecostata

Contributor: Pat Kociolek

Reviewer: Sarah Spaulding


Lange-Bertalot, H. and Simonsen, R. (1978). A taxonomic revision of the Nitzschiae lanceolatae Grunow. 2. European and related extra-European fresh water and brackish water taxa. Bacillaria 1:11-111.

Links & ID's

Index Nominum Algarum (INA)

Original INA

California Academy of Sciences (CAS)

Nitzschia valdecostata CAS

North American Diatom Ecological Database (NADED)

NADED ID: 48237

Autecology Discussion