|
Home / Diatoms / Pennate / Unicells / Monoraphes / Cocconeis |
||||
|
|
||||
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
||
|
Click on images for larger format |
||||
Name derivation: |
||||
|
Ancient
Greek κόκκος (kókkos, “grain, seed”), neis is derived from naus; Latin navis: ship (Silva 1980)
|
||||
Classification: |
||||
|
Cocconeis scutellum C.G. Ehrenberg (1863); 120 out of 771 species descriptions are currently accepted taxonomically (Guiry and Guiry 2014). Order Achnanthales; Family Cocconeidaceae |
||||
Morphology: |
||||
|
Unicells are a broad ellipse with a raphe on only one valve (monoraphes), and different sized punctae on the two raphes. |
||||
Similar genera: |
||||
|
|
||||
Habitat: |
||||
|
Freshwater meroplankton, mainly littoral zone. Frequently form a layer one-cell thick coating submerged surfaces. |
||||
References: |
||||
|
Guiry, M.D., and G.M. Guiry 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 16 January 2013. |
||||
