Taxon Account

Psammothidium subatomoides (Hustedt) Bukhtiyarova & Round; 1996; 13

Synonymy

Achnanthidium subatomoides (Hustedt) O. Monnier, Lange-Bertalot & Ector in Monnier et al. 2007
Navicula subatomoides Hustedt in Schmidt 1936

Key references

Simonsen R. 1987. Atlas and Catalogue of the Diatom Types of Friedrich Hustedt. J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, Berlin, Stuttgart.

Bukhtiyarova L., Round F.E. 1996. Revision of the genus Achnanthes sensu lato. Psammothidium, a new genus based on A. marginulatum. Diatom Research. 11(1): 1-30.

Peeters V., Ector L. 2018. Atlas des diatomées des cours d'eau du territoire bourguignon. Direction Régionale de l'Environnement, de l'Aménagement et du Logement Bourgogne-Franche-Comté, Dijon. Vol.2: 271 pp.

Morphology

Size
7.5-10.0 µm long, 4.5-5.0 µm wide (UK population).

Shape
Valves elliptic with broadly rounded ends.

Symmetry
Isopolar, bilaterally symmetrical, heterovalvar.

Striae
Striae radiate throughout on raphe and rapheless valve.

Axial area
Narrow, linear, in some valves widening near the central area.

Central area
Acute-angled, asymmetrical subfascia, bordered by 3-4 shortened striae of different length.

Raphe
Raphe bordered by a rim, filiform, straight with slightly expanded proximal and distal ends.


SEM morphology
Striae uniseriate, areolae occluded internally by hymenes.

Literature

References are given in chronological order.

Reference
Citation
Schmidt A. 1936. Atlas der Diatomaceen-kunde. Leipzig. O.R. Reisland Series VIII(Heft 101-102):pls. 401-408. [F. Hustedt]. Type Illustration
Hustedt F. 1950. Die Diatomeenflora norddeutscher Seen V-VII. Seen in Mecklenburg, Lauenburg und Nordostdeutschland. Archiv für Hydrobiologie . 43: 329-458; pls 21-41. Illustrations; Morphology; Description; Taxonomy
Hustedt F. 1962. Die Kieselalgen Deutschlands, Österreichs und der Schweiz unter Berücksichtigung der übrigen Länder Europas sowie der angrenzenden Meeresgebiete. 3.Teil, Lieferung 2, Akademische Verlagsgesellschaft Geest & Portig K.-G., Leipzig. 161-348 pp Morphology; Illustrations
Krammer K., Lange-Bertalot H. 1985. Naviculaceae Neue und wenig bekannte Taxa, neue Kombinationen und Synonyme sowie Bemerkungen zu einigen Gattungen. 9. Bibliotheca Diatomologica. 230 pp Taxonomy
Simonsen R. 1987. Atlas and Catalogue of the Diatom Types of Friedrich Hustedt. J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, Berlin, Stuttgart. Morphology; Type Illustration; Taxonomy;
Bukhtiyarova L., Round F.E. 1996. Revision of the genus Achnanthes sensu lato. Psammothidium, a new genus based on A. marginulatum. Diatom Research. 11(1): 1-30. Morphology; Taxonomy; Illustrations;
Monnier O., Lange-Bertalot H., Hoffmann L., Ector L. 2007. The genera Achnanthidium Kützing and Psammothidium Bukhtiyarova et Round in the family Achnanthidiaceae (Bacillariophyceae): A reappraisal of the differential criteria. Cryptogamie, Algologie. 28(2): 141-158. Morphology; Illustrations; Taxonomy
Peeters V., Ector L. 2018. Atlas des diatomées des cours d'eau du territoire bourguignon. Direction Régionale de l'Environnement, de l'Aménagement et du Logement Bourgogne-Franche-Comté, Dijon. Vol.2: 271 pp. Morphology; Taxonomy; Illustrations; Ecology;
This page should be cited as:

Jüttner I., Ector L. Psammothidium subatomoides (Hustedt) Bukhtiyarova & Round; 1996; 13. 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=2377. [Accessed:  ].

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Record last modified: 27/12/2020