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Cyclotella (Bacillariophyceae)

Cyclotella sp.
Modified from an electron micrograph posted at bgsu.edu
(Bowling Green State University, OH USA)

 

C. pseudostelligera
From a Baltic Sea sediment coreNote the two distinct regions of ornamentation. The center is appears smooth with an outer region of striations radiating toward the edges. This is what differentiates it from Coscinodiscus and Stephanodiscus. .
Modified from image by © Elinor Lamanda posted at webappo.web.sh.se

 

Cyclotella sp.
Modified from an image posted at protist.i.hosie.ac.jp

 

Cyclotella sp.
Modified from an image posted at micro.sakura.ne.jp

 

Cyclotella meneghiniana
Modified from an image posted at pae.ugent.be
(Protistology and Aquatic Ecology)

 

Cyclotella sp. from Lake Balatan.
Modified from an image posted at blki.hu

 

Cyclotella comta
Modified from an image posted by © Dr. Ralf Wagner at dr-ralf-wagner.de

 

Cyclotella sp. with long transparent spines
Bow Lake, NH USA, 23 May 2010

 

Cyclotella sp. with long transparent spines
Bow Lake, NH USA, 23 May 2010

 

Cyclotella sp. with long transparent spines
Bow Lake, NH USA, 23 May 2010

 

Cyclotella striata (Kuetz.) Grunow in Cleve & Grunow 1880
Modified from sketch by Ettl & Gaertner (1995) from the collection of Manfred Bölter, University of Kiel, DE

Ettl, H. & G. Gärtner  1995.  Syllabus der Boden-, Luft- und Flechtenalgen. Gustav Fischer, Stuttgart

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