Taxon Account

Bacillaria J.F. Gmelin; 1791; 3903

Key references

Jahn R., Schmid A.M.M. 2007. Revision of the brackish-freshwater diatom genus Bacillaria Gmelin (Bacillariophyta) with the description of a new variety and two new species. European Journal of Phycology. 42(3): 295-312.

Morphology

Cells highly elongate, seen in valve or girdle view. Valves with shallow mantle, always lying in valve view, linear or linear-lanceolate, with pointed, rounded, cuneate to slightly rostrate poles.

Isopolar, isovalvar, and bilaterally ± symmetrical.

Striae transverse, parallel, uniseriate or biseriate, appearing in LM as simple lines.

Raphe central and slightly keeled, fibulate. Raphe sternum often with ridge on one side of raphe externally. Fibulae simple, rib-like, or linked longitudinally by ridges.

Girdle bands open. Usually two chloroplasts, one towards each pole. The central gap between them is where the nucleus lies.

Cells forming motile colonies, sometimes linked by interlocking ridges and grooves on the raphe-sternum, cells moving along each other.

Literature

References are given in chronological order.

Reference
Citation
Gmelin J.F. 1788. Caroli a Linné, Systema Naturae per regna tria naturae, secundum: classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Ed. 13. Tomus 1(6), Lipsiae. Morphology; Taxonomy; Description
Jahn R., Schmid A.M.M. 2007. Revision of the brackish-freshwater diatom genus Bacillaria Gmelin (Bacillariophyta) with the description of a new variety and two new species. European Journal of Phycology. 42(3): 295-312. Morphology; Taxonomy; Illustrations

Similar Species

Similar species not published on this website:

This page should be cited as:

Mann D. G., Kelly M., Jüttner I. Bacillaria J.F. Gmelin; 1791; 3903. In: Jüttner I., Bennion H., Carter C., Cox E.J., Ector L., Flower R., Jones V., Kelly M.G., Mann D.G., Sayer C., Turner J. A., 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=4169. [Accessed:  ].

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Record last modified: 27/12/2020