Taxon Account

Nitzschia sinuata var. sinuata (Thwaites in W. Smith) Grunow in Cleve & Grunow; 1880; 82

Synonymy

Denticula sinuata Thwaites in W. Smith 1856

Key references

Krammer K., Lange-Bertalot H. 1988. Süßwasserflora Mitteleuropas. Bacillariophyceae. 2. Teil. Bacillariophyceae, Epithemiaceae, Surirellaceae. Eds. Ettl H., Gerloff J., Heynig H., Mollenhauer D., Gustav Fischer Verlag, Stuttgart. 596 pp

Morphology

Size
Length 10-ca. 50 µm, width 3-8 µm (Krammer & Lange-Bertalot 1988).

Shape
Valves linear-lanceolate with tri-undulate valve margins, the central swelling can be asymmetrical; valve ends subcapitate or capitate.

Symmetry
Isopolar, bilaterally symmetrical.

Striae
Punctate, slightly radiate, 10-25 in 10 µm (Krammer & Lange-Bertalot 1988).

Other features
Large fibulae extending 1/3 to 1/2 over the valve face, 5-8 in 10 µm (Krammer & Lange-Bertalot 1988).


SEM morphology
Raphe continuous (no central nodule).

Literature

References are given in chronological order.

Reference
Citation
Smith W. 1856. A Synopsis of the British Diatomaceae. John van Voorst, London. 107 pp; pls 32-62, pls A-E Morphology; Description; Illustrations
Cleve P.T., Grunow A. 1880. Beiträge zur Kenntniss der Arctischen Diatomeen. Kongliga Svenska-Vetenskaps Akademiens Handlingar. 17(2): 121 pp; 7 pls. Morphology; Taxonomy; Description
Lange-Bertalot H. 1980. New species, combinations and synonyms in the genus Nitzschia. Bacillaria. 3: 41-77. Illustrations
Krammer K., Lange-Bertalot H. 1988. Süßwasserflora Mitteleuropas. Bacillariophyceae. 2. Teil. Bacillariophyceae, Epithemiaceae, Surirellaceae. Eds. Ettl H., Gerloff J., Heynig H., Mollenhauer D., Gustav Fischer Verlag, Stuttgart. 596 pp Morphology; Illustrations;
This page should be cited as:

Jüttner I., Mann D. G. Nitzschia sinuata var. sinuata (Thwaites in W. Smith) Grunow in Cleve & Grunow; 1880; 82. In: Jüttner I., Carter C., Chudaev D., Cox E.J., Ector L., Jones V., Kelly M.G., Kennedy B., Mann D.G., Turner J. A., Van de Vijver B., Wetzel C.E., Williams D.M.. Freshwater Diatom Flora of Britain and Ireland. Amgueddfa Cymru - National Museum Wales. Available online at https://naturalhistory.museumwales.ac.uk/diatoms/browsespecies.php?-recid=4058. [Accessed:  ].

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Record last modified: 24/08/2022