Taxon Account

Denticula subtilis Grunow; 1862; 547

Key references

Nagumo T., Hara Y. 1990. Species composition and vertical distribution of diatoms occurring in a Japanese mangrove forest. Japanese Journal of Phycology. 38: 333-343.

Hofmann G., Werum M., Lange-Bertalot H. 2011. Diatomeen im Süßwasser-Benthos von Mitteleuropa. A.R.G. Gantner, Ruggell. 908 pp

Morphology

Shape
Linear, linear-lanceolate or lanceolate with cuneate poles.

Symmetry
Isopolar, bilaterally symmetrical.

Striae
Very fine and in LM hardly or not visible.

Raphe
Not visible in LM; the presence of a raphe is detectable in cleaned valves only by the subraphe canal, which (lying as it does beneath the raphe) is located close to the margin, and visible via a longitudinal line running parallel to and close to the valve margin, as in the LM figures presented here; however, the extra parallel line is not always easy to see.

In a frustule, the raphe systems of the two valves lie on opposite sides ('nitzschioid symmetry').

Other features
The fibulae are extended into prominent partitions, appearing in the light microscope as dark bars ('costae') connecting the two margins. These are usually strictly transapical but are occasionally slightly curved or oblique.

Literature

References are given in chronological order.

Reference
Citation
Grunow A. 1862. Die österreichischen Diatomaceen nebst Anschluss einiger neuen Arten von andern Lokalitäten und einer kritischen Uebersicht der bisher bekannten Gattungen und Arten. Erste Folge. Epithemieae, Meridioneae, Diatomeae, Entopyleae, Surirelleae, Amphipleureae. Zweite Folge. Familie Nitzschieae. 12. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien. 315-472, 545-588 pp; 7 pls. Description; Illustrations
Stowe W.C. 1980. Vertical distribution of epiphytic Denticula subtilis Grun. Transactions of the American Microscopical Society. 99(3): 323-328. Ecology
Nagumo T., Hara Y. 1990. Species composition and vertical distribution of diatoms occurring in a Japanese mangrove forest. Japanese Journal of Phycology. 38: 333-343. Ecology; Illustrations;
Ettl H., Gärtner G. 1995. Syllabus der Boden-, Luft- und Flechtenalgen. Gustav Fischer Verlag, Stuttgart, Jena, New York. 721 pp. pp Morphology; Ecology; Illustrations
Hartley B., Barber H.G., Carter J.R., Sims P.A. 1996. An Atlas of British Diatoms. Biopress Ltd., Bristol. 601 pp. Illustrations
Taylor J.C., Harding W.R., Archibald C.G.M. 2007. An illustrated guide to some common diatom species from South Africa. Water Research Commission, WRC Report TT 282/07. 12 pp; 178 pl. Morphology; Illustrations; Ecology
Hofmann G., Werum M., Lange-Bertalot H. 2011. Diatomeen im Süßwasser-Benthos von Mitteleuropa. A.R.G. Gantner, Ruggell. 908 pp Morphology; Ecology; Illustrations;
Miscoe L.H., Johansen J.R., Kociolek J.P., Lowe R.L. 2016. The diatom flora and cyobacteria from caves on Kauai, Hawaii. I. Investigation of the cave diatom flora of Kanuai, Hawaii: an emphasis on taxonomy and distribution. 123. Bibliotheca Phycologica. 3-74 pp Illustrations; Ecology; Morphology
This page should be cited as:

Mann D. G. Denticula subtilis Grunow; 1862; 547. In: Jüttner I., Carter C., Chudaev D., 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=4544. [Accessed:  ].

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Record last modified: 27/12/2020