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Achnanthidium flexellum (Kützing) Brébisson ex Kützing 1849

Classification:
Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Bacillariophytina
Class Bacillariophyceae
Subclass Bacillariophycidae
Order Cocconeidales
Family Achnanthidiaceae
Genus Achnanthidium

Pictures

click on thumbnail for larger version.

Achnanthidium flexellum (Kützing) Brébisson ex Kützing
Presumed girdle views, Black Mountains South Wales. Collected by Gareth Farr and Jonathan Graham. 16 Jan 2015. © C.F. Carter (chris.carter'at'6cvw.freeuk.com.

Achnanthidium flexellum (Kützing) Brébisson ex Kützing
Rapheless valve.In tufa deposits, Spanish Point, Co Clare, Ireland. Collected by Melinda Lyons.. 20 Apr 2012. 20 Apr 2012. © C.F.Carter (Chris.Carter@6cvw.freeuk.com).

Achnanthidium flexellum (Kützing) Brébisson ex Kützing
Raphe valve. In tufa deposits, Spanish Point, Co Clare, Ireland. Collected by Melinda Lyons.. 20 Apr 2012. 20 Apr 2012. © C.F.Carter (Chris.Carter@6cvw.freeuk.com).

Achnanthidium flexellum (Kützing) Brébisson ex Kützing
Diagonal view focus-thru.In tufa deposits, Spanish Point, Co Clare, Ireland. Collected by Melinda Lyons.. 20 Apr 2012. 20 Apr 2012. © C.F.Carter (Chris.Carter@6cvw.freeuk.com).

Achnanthidium flexellum (Kützing) Brébisson ex Kützing
Live cells. In tufa deposits, Spanish Point, Co Clare, Ireland. Collected by Melinda Lyons.. 26 Apr 2012. © C.F.Carter (chris.carter@6cvw.freeuk.com).

Achnanthidium flexellum (Kützing) Brébisson ex Kützing
Auxospore formation. In tufa deposits, Spanish Point, Co Clare, Ireland. Collected by Melinda Lyons. April 2012. 26 Apr 2012. © C.F.Carter (chris.carter@6cvw.freeuk.com).

Achnanthidium flexellum (Kützing) Brébisson ex Kützing
Winthrop, Washington, USA; Methow River, Lugol's, 400x, DIC. 15 Jan 2011. Karl Bruun. © Karl Bruun (skogenman@earthlink.net).

 

Dotyophycus pacificus I.A.Abbott

Eucocconeis flexella (Kützing) Meister Live cells. In tufa deposits, Spanish Point, Co Clare, Ireland. Collected by Melinda Lyons.
© C.F.Carter (chris.carter@6cvw.freeuk.com)

Publication details
Achnanthidium flexellum (Kützing) Brébisson ex Kützing 1849: 54

Published in: Kützing, F.T. (1849). Species algarum. pp. [i]-vi, [1]-922. Lipsiae [Leipzig]: F.A. Brockhaus.
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Publication date: 23-24 July 1849

Type species
The type species (lectotype) of the genus Achnanthidium is Achnanthidium microcephalum Kützing.

Status of name
This name is currently regarded as a synonym of Eucocconeis flexella (Kützing) Meister

Basionym
Cymbella flexella Kützing

Type information
Type locality: In Quellwasser bei Thun in der Schweiz! [Thun, Switzerland] (Kützing 1844: 80).

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a freshwater species.

Detailed distribution with sources (Click to Load)

Key references
Cleve, P. T. & Grunow, A. (1880). Beiträge zur Kenntniss der arctischen Diatomeen. Kongliga Svenska Vetenskaps-Akademiens Handlingar 17(2): 1-121, 7 pls.

Patrick, R.[M.] & Reimer, C.W. (1966). The diatoms of the United States exclusive of Alaska and Hawaii. Volume 1: Fragilariaceae, Eunotiaceae, Achnanthaceae, Naviculaceae. Monographs of the Academy of Natural Sciences of Philadelphia 13: 1-688.

Created: 29 April 2002 by M.D. Guiry

Verified by: 08 August 2015 by M.D. Guiry

Accesses: This record has been accessed by users 360 times since it was created.

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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=50103

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 18 October 2021.

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