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Name derivation:

 

Classification:

Diadesmis Kützing, 1844;  48 of 65 species are currently recognized taxonomically (Guiry 2013).

Order Naviculales;  FamilyDiadesmidaceae

 

Morphology:

Small solitary or band-forming colonies with a girdle almost as deep as the valve width.  Uniseriate striae.

 

Similar genera:

 

 

Habitat:

Freshwater

 

References:

Guiry, M.D. in Guiry, M.D. and G.M. Guiry  2013.  AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.  http://www.algaebase.org; searched on 18 January 2013.

Kützing, F.T.  1844.  Die Kieselschaligen Bacillarien oder Diatomeen. pp. [i-vii], [1]-152, pls 1-30.  Nordhausen: zu finden bei W. Köhne.