Nitzschia fonticoloides
Sovereign 1958 Category: Nitzschioid
BASIONYM: Nitzschia fonticoloides Sovereign 1958
LM scalebar = 10 µm = 80 pixels.
Observations
Contributor: Pat Kociolek - February 2011
Length Range: 9-16 µm
Width Range: 3-4 µm
Striae in 10 µm: 33-35
Description
Valves are lanceolate with apices subcapitate to produced. The raphe and keel are strongly excentric. There is a large central nodule present. Fibulae are small about 13 in 10 µm. Striae are indistinct, not punctate.
Distribution: Known only from Oregon
Original Description
Basionym: Nitzschia fonticoloides
Author: Sovereign 1958
Length Range: µm
Striae in 10 µm:
Original Description
Original Images
Cite This Page:
Kociolek, P. (2011). Nitzschia fonticoloides. In Diatoms of the United States. Retrieved May 21, 2013, from http://westerndiatoms.colorado.edu/taxa/species/nitzschia_fonticoloides
Species: Nitzschia fonticoloides
Contributor: Pat Kociolek
Reviewer: Marina Potapova
Image Credit: Pat Kociolek
- Valves lanceolate
- Apices subcapitate to subrostrate
- Striae indistinct
- Fibulae small
Valves lanceolate with subcapitate to subrostrate apices. A large central nodule is present. Fibulae are small and number about 13 in 10 µm. Striae are indistinct.
Compare
This small species has subrostrate apices and fine striae. The shape of the apices and high stria density distinguish it from other small species such as N. innominata and N. inconspicua.
Nitzschia innominata
Nitzschia fonticola
Nitzschia inconspicua
Grunow
Citations
Sovereign, H.E. (1958). The diatoms of Crater Lake, Oregon. Transactions of the American Microscopical Society 77(2):96-134.
Links & ID's
Index Nominum Algarum (INA)
California Academy of Sciences (CAS)
North American Diatom Ecological Database (NADED)
NADED ID: