Tabellaria C.G. Ehrenberg ex F.T. Kützing; 1844; 127
Key references
Knudson B.M. 1952. The diatom genus Tabellaria. I. Taxonomy and Morphology. Annals of Botany, new series. 16(63): 421-440.
Koppen J.D. 1975. A morphological and taxonomic consideration of Tabellaria from the northcentral United States. Journal of Phycology. 11: 236-244.
Morphology
Isovalvar, isopolar or slightly heteropolar (one end may be slightly wider, or the ‘central’ expansion may be slightly closer to one end); bilaterally asymmetrical.
Cells deep, often with multiple girdle bands; consequently, when still intact, cells often lie in girdle view.
Valves often linear, with the central part and the valve ends swollen, or elliptic; in girdle view rectangular.
Striae uniseriate, parallel, irregularly spaced; small spines are often present between the striae at the junction of valve face and mantle; an apical pore field is present at each pole; a rimoportula is located near the valve centre, lateral to the sternum (axial area).
Axial area narrow.
Central area sometimes present and then often asymmetrical.
Girdle composed of several narrow bands, some of which bear prominent septa, visible in girdle view as longitudinal lines extending in from the cell apices (sometimes to near the centre); the septum-bearing bands are closed hoops, while other bands are open. Small pseudosepta can also be present.
Many short rod-like chloroplasts are scattered in the spaces between the septa and valves.
Cells form zig-zag (sometimes almost linear) or partly fan-like or stellate colonies.
Cells attach to each other or substrata by small mucilage pads secreted from the apical pore fields.
Cells deep, often with multiple girdle bands; consequently, when still intact, cells often lie in girdle view.
Valves often linear, with the central part and the valve ends swollen, or elliptic; in girdle view rectangular.
Striae uniseriate, parallel, irregularly spaced; small spines are often present between the striae at the junction of valve face and mantle; an apical pore field is present at each pole; a rimoportula is located near the valve centre, lateral to the sternum (axial area).
Axial area narrow.
Central area sometimes present and then often asymmetrical.
Girdle composed of several narrow bands, some of which bear prominent septa, visible in girdle view as longitudinal lines extending in from the cell apices (sometimes to near the centre); the septum-bearing bands are closed hoops, while other bands are open. Small pseudosepta can also be present.
Many short rod-like chloroplasts are scattered in the spaces between the septa and valves.
Cells form zig-zag (sometimes almost linear) or partly fan-like or stellate colonies.
Cells attach to each other or substrata by small mucilage pads secreted from the apical pore fields.
Literature
References are given in chronological order.
Reference |
Citation |
|---|---|
| Kützing F.T. 1844. Die Kieselschaligen Bacillarien oder Diatomeen. Fr. Fritsch, Nordhausen. 152 pp; 30 pls | Morphology; Description; Illustrations |
| Knudson B.M. 1952. The diatom genus Tabellaria. I. Taxonomy and Morphology. Annals of Botany, new series. 16(63): 421-440. | Morphology; Taxonomy; Illustrations |
| Koppen J.D. 1975. A morphological and taxonomic consideration of Tabellaria from the northcentral United States. Journal of Phycology. 11: 236-244. | Illustrations; Morphology |
| Koppen J.D. 1978. Distribution and aspects of the ecology of the genus Tabellaria Ehr. in the North-central United States. Amer. Midl. Natur. 99: 383-397. | |
| Round F.E., Crawford R.M., Mann D.G. 1990. The Diatoms. Biology & Morphology of the Genera. Cambridge University Press, Cambridge. 747 pp | Morphology; Illustrations |
| Metzeltin D., Lange-Bertalot H. 2007. Tropical diatoms of South America II. Special remarks on biogeography disjunction. Iconographia Diatomologica, Vol. 18., Annotated Diatom Micrographs. Diversity-Taxonomy-Biogeography. H. Lange-Bertalot (ed.), A.R.G. Gantner Verlag K.G. 877 pp |
This page should be cited as:
Mann D. G., Flower R., Williams D. M., Jüttner I. Tabellaria C.G. Ehrenberg ex F.T. Kützing; 1844; 127. In: Jüttner I., Carter C., 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=3748. [Accessed:
].
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Record last modified: 27/12/2020