Taxon Account

Encyonopsis Krammer; 1997; 11

Key references

Krammer K. 1997. Die cymbelloiden Diatomeen. Eine Monographie der weltweit bekannten Taxa. Teil 2. Encyonema part., Encyonopsis and Cymbellopsis. Bibliotheca Diatomologica, Vol. 37, J. Cramer, Berlin. 469 pp

Bahls L.L. 2013. Northwest Diatoms. Encyonopsis from western North America: 31 species from Alberta, Idaho, Montana, Oregon, South Dakota, and Washington, including 17 species described as new. Vol. 5. Loren L. Bahls, Helena.

Kennedy B. 2021. Taxonomy and ecology of epilithic diatoms in Irish Lakes. PhD thesis, Trinity College Dublin, The University of Dublin. 329 pp.

Morphology

Dorsal margin convex, ventral margin convex to more or less straight, frustules narrowly rectangular in girdle view.

Valves more or less bilaterally symmetrical to dorsiventral, usually with protracted rostrate to capitate apices.

Striae uniseriate, external areolae openings round or transapically elongate, internally in deep depressions between the virgae.

Raphe usually more or less central, externally proximal raphe endings deflected slightly to the dorsal side, distal raphe endings deflected towards the ventral side, internally the central raphe endings hidden, intermissio not visible.

No apical pore fields or isolated pores.

Girdle bands with single row of pores.

Cells solitary.

Literature

References are given in chronological order.

Reference
Citation
Krammer K. 1997. Die cymbelloiden Diatomeen. Eine Monographie der weltweit bekannten Taxa. Teil 2. Encyonema part., Encyonopsis and Cymbellopsis. Bibliotheca Diatomologica, Vol. 37, J. Cramer, Berlin. 469 pp Morphology; Taxonomy; Illustrations;
Krammer K. 1997. Die cymbelloiden Diatomeen - Eine Monographie der weltweit bekannten Taxa. Teil 1. Allgemeines und Encyonema Part. Bibliotheca Diatomologica, Vol. 36, J. Cramer, Berlin. 382 pp Description; 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 Morphology; Illustrations; Taxonomy
Van de Vijver B., Lange-Bertalot H., Compère P. 2009. Two new freshwater diatom species (Bacillariophyceae) from a small pool in the National Botanic Garden of Belgium. Belgian Journal of Botany. 142(2): 194-203. Morphology; Illustrations; Taxonomy
Van de Vijver B., Verweij G.L., Van der Wal J., Mertens A. 2012. Encyonopsis neerlandica, a new freshwater diatom species (Bacillariophyta) from moorland pools in The Netherlands. Phytotaxa. 66: 43-48. Morphology; Taxonomy; Illustrations
Bahls L.L. 2013. Northwest Diatoms. Encyonopsis from western North America: 31 species from Alberta, Idaho, Montana, Oregon, South Dakota, and Washington, including 17 species described as new. Vol. 5. Loren L. Bahls, Helena. ; Morphology; Illustrations; Taxonomy
Wengrat S., Marquardt G.C., Bicudo D.C., Bicudo C.E.M., Wetzel C.E., Ector L. 2015. Type analysis of Cymbella schubartii and two new Encyonopsis species (Bacillariophyceae) from southeastern Brazil. Phytotaxa. 221(3): 247-264. Morphology; Illustrations; Taxonomy
Kennedy B. 2021. Taxonomy and ecology of epilithic diatoms in Irish Lakes. PhD thesis, Trinity College Dublin, The University of Dublin. 329 pp. Morphology; Ecology; Illustrations; Taxonomy;

Similar Species

Similar species not published on this website:

Kurtkrammeria Bahls; 2015; 6

This page should be cited as:

Encyonopsis Krammer; 1997; 11. 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=3711. [Accessed:  ].

Image Gallery

Record last modified: 27/12/2020