Visit us at diatoms.org

Diatoms of the United States is now known as Diatoms of North America.
This site has been redesigned and updated, and will be closing soon.

Asymmetrical biraphid

Asymmetrical biraphid is one of nine morphology categories that we use to provide a visual aid in identification. These categories are artificial (not strictly evolutionary).

Amphora
  6  

Brebissonia
  1  

Cymbella
  31  

Cymbopleura
  33  

Delicata
   

Encyonema
  22  

Encyonopsis
  18  

Entomoneis
  4  

Gomphoneis
  14  

Gomphonema
  41  

Gomphosinica
  1  

Halamphora
  9  

Navicymbula
  1  

Oricymba
   

Reimeria
  3