Taxon Account

Mayamaea permitis (Hust.) Bruder & Medlin; 2008; 327

Synonymy

Mayamaea atomus var. permitis (Hustedt) Lange-Bertalot 1997

Key references

Bruder K., Medlin L.K. 2008. Morphological and molecular investigations of naviculoid diatoms. II. Selected genera and families. Diatom Research. 23(2): 283-329.

Morphology

Shape
Cells elliptic in valve view with rounded ends, rectangular in girdle view.

Striae
Striae radiate.

Axial area
Axial area variable in width.

Central area
Rounded, rhombic or an acute-angled subfascia.

Raphe
Raphe filiform, terminal and distal rends are often conspicuous.


SEM morphology
Externally raphe straight or slightly curved with unilaterally straight or slightly deflected expanded proximal ends, distal raphe fissures deflected in the opposite direction.

Internally a thickened sternum can be conspicuous in LM; raphe slits terminate in helictoglossae.

Striae uniseriate, composed of rounded areolae on the valve face, sometimes slit-like on the mantle; areoale occluded externally by cribra.

Literature

References are given in chronological order.

Reference
Citation
Hustedt F. 1945. Diatomeen aus Seen und Quellgebieten der Balkan-Halbinsel. Archiv für Hydrobiologie. 15(4): 867-973. Description; Illustrations; Morphology
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
Lange-Bertalot H. 1997. Frankophila, Mayamaea und Fistulifera: drei neue Gattungen der Klasse Bacillariophyceae. Archiv für Protistenkunde. Archiv für Protistenkunde. 148(1-2): 65-76. Morphology; Taxonomy
Bruder K., Medlin L.K. 2008. Morphological and molecular investigations of naviculoid diatoms. II. Selected genera and families. Diatom Research. 23(2): 283-329. Taxonomy; Illustrations; Morphology;
Hofmann G., Werum M., Lange-Bertalot H. 2011. Diatomeen im Süßwasser-Benthos von Mitteleuropa. A.R.G. Gantner, Ruggell. 908 pp Morphology; Illustrations; Ecology
This page should be cited as:

Jüttner I. Mayamaea permitis (Hust.) Bruder & Medlin; 2008; 327. 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=2844. [Accessed:  ].

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Record last modified: 27/12/2020