Taxon Account

Achnanthidium atomoides Monnier, Lange-Bertalot & Ector in Monnier et al.; 2004; 128

Key references

Monnier O., Lange-Bertalot H., Rimet F., Hoffmann L., Ector L. 2004. Achnanthidium atomoides sp. nov., a new diatom from the Grand-Duchy of Luxembourg. Vie et Milieu. 54(2-3): 127-136.

Morphology

Shape
Valves linear-elliptic to elliptic with rounded ends; frustules in girdle view rectangular and bent.

Symmetry
Valves isopolar.

Valve
Frustules heterovalvar with concave raphe valve and convex rapheless valve.

Striae
Striae radiate on the raphe valve, 25-30 in 10 µm; parallel on the rapheless valve, 23-28 in 10 µm.

Axial area
Narrow, linear axial area on both valves.

Central area
Central area on the raphe valve an acute-angled subfascia; central area on the raphle valve indistinct.

Raphe
Simple, filiform with straight, slightly expanded proximal raphe ends, and straight terminal raphe fissures.

Literature

References are given in chronological order.

Reference
Citation
Monnier O., Lange-Bertalot H., Rimet F., Hoffmann L., Ector L. 2004. Achnanthidium atomoides sp. nov., a new diatom from the Grand-Duchy of Luxembourg. Vie et Milieu. 54(2-3): 127-136. Morphology; Ecology; Taxonomy; Description; Type Illustration
Beltrami M.E., Ciutti F., Cappelletti C., Lösch B., Alber R., Ector L. 2012. Diatoms from Alto Adige/Südtirol (Northern Italy): characterization of assemblages and their application for biological quality assessment in the context of the Water Framework Directive. Hydrobiologia. 695: 153-170. Ecology

Similar Species

Similar species not published on this website:

Achnanthidium atomus (Hustedt) Monnier, Lange-Bertalot & Ector in Monnier et al.; 2004

This page should be cited as:

Jüttner I., Cox E. J. Achnanthidium atomoides Monnier, Lange-Bertalot & Ector in Monnier et al.; 2004; 128. 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=3943. [Accessed:  ].

Image Gallery

Record last modified: 27/12/2020