Taxon Account

Craticula accomoda (Hustedt) D.G. Mann in Round et al.; 1990; 666

Key references


17-25 µm long, 5-8 µm wide (Lange-Bertalot et al. 2017).

Valves elliptic with rostrate or weakly subcapitate ends.

Isopolar, bilaterally symmetrical.

More or less parallel throughout valve, 17-25 in 10 µm, areolae not visible in LM.

Axial area
Narrow linear.

Central area
Indistinct or narrow elliptic.

Filiform with slightly expanded proximal raphe ends.


References are given in chronological order.

Hustedt F. 1950. Die Diatomeenflora norddeutscher Seen V-VII. Seen in Mecklenburg, Lauenburg und Nordostdeutschland. Archiv für Hydrobiologie. 43: 329-458; pls 21-41. Morphology; Type Illustration; Taxonomy; Description
Schoeman F.R., Archibald R.E.M. 1977. The Diatom Flora of Southern Africa. National Institute for Water Research, Council for Scientific and Industrial Research, WAT 50. No.2: 49. Morphology; Illustrations; Ecology
Belcher J.H., Swale E.M.F. 1981. Records of Simonsenia delognei and some interesting species of Navicula (diatoms) from English rivers, mainly near Cambridge. Microscopy. 34: 201-206. Morphology; Illustrations
Wołowski K. 1984. Navicula accomoda Hustedt (Bacillariophyceae) a new species in the Polish flora. Fragmenta Floristica et Geobotanica. 28(4): 649-652. Morphology; Ecology; Illustrations
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
Ector L., Wetzel C.E., Novais M.H., Guillard D. 2015. Atlas des diatomées des rivières des Pays de la Loire et de la Bretagne. DREAL Pays de la Loire, Nantes. 649 pp Morphology; Illustrations
Levkov Z., Tofilovska S., Mitić-Kopanja D. 2016. Species of the diatom genus Craticula Grunow (Bacillariophyceae) from Macedonia. Contributions, Section of Natural, Mathematical and Biotechnical Sciences. 37(2): 129-165. Morphology; Taxonomy; Illustrations; Ecology
This page should be cited as:

Jüttner I., Kelly M., Mann D. G., Ector L. Craticula accomoda (Hustedt) D.G. Mann in Round et al.; 1990; 666. 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 [Accessed:  ].

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Record last modified: 27/12/2020