Taxon Account

Cavinula jaernefeltii (Hustedt) D.G.Mann & Stickle; 1990; 665

Synonymy

Navicula jaernefeltii Hustedt in Schmidt et al. 1936

Key references

Cvetkoska A., Levkov Z., Hamilton P.B., Potapova M. 2014. The biogeographic distribution of Cavinula (Bacillariophyceae) in North America with the descriptions of two new species. Phytotaxa. 184(4): 181-207.

Morphology

Size
12-20 µm long, 7-11 µm wide (Hustedt 1942).

Shape
Valves elliptic with broadly rounded ends.

Symmetry
Isopolar, bilaterally symmetrical.

Striae
Stria radiate, punctate, 25-30 in 10 µm (Hustedt 1942).

Axial area
Narrow, linear.

Central area
Indistinct or small oval.

Raphe
Raphe filiform with straight, expanded central pores, distantly spaced.

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. 1942. Diatomeen aus der Umgebung von Abisko in Schwedisch-Lappland. Archiv für Hydrobiologie. 39(1): 87-174. Description
Simonsen R. 1987. Atlas and Catalogue of the Diatom Types of Friedrich Hustedt. J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, Berlin, Stuttgart. Type Illustration
Round F.E., Crawford R.M., Mann D.G. 1990. The Diatoms. Biology & Morphology of the Genera. Cambridge University Press, Cambridge. 747 pp Taxonomy
Antoniades D., Hamilton P.B., Hinz F., Douglas M.S.V., Smol J.P. 2009. Seven new species of freshwater diatoms (Bacillariophyceae) from the Canadian Arctic Archipelago. Nova Hedwigia. 88(1-2): 57-80. Morphology; Type Illustration; Ecology
Cvetkoska A., Levkov Z., Hamilton P.B., Potapova M. 2014. The biogeographic distribution of Cavinula (Bacillariophyceae) in North America with the descriptions of two new species. Phytotaxa. 184(4): 181-207. Morphology; Ecology; Type Illustration
Potapova M. 2014. Diatoms of Bering Island, Kamchatka, Russia. Nova Hedwigia, Beiheft. 143: 63-102. Illustrations
This page should be cited as:

Jüttner I., Ector L. Cavinula jaernefeltii (Hustedt) D.G.Mann & Stickle; 1990; 665. 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=4683. [Accessed:  ].

Image Gallery

Record last modified: 17/01/2022