|   | 
|  Kingdom Chromista | 
|   | 
Achnanthidiaceae Mann – accepted
 | 
|   | 
Anomoeoneidaceae Mann – accepted
 | 
|   | 
Bacillariophycidae Mann – accepted
 | 
|   | 
Berkeleyaceae Mann – accepted
 | 
|   | 
Brachysiraceae Mann – accepted
 | 
|   | 
Cavinulaceae Mann – accepted
 | 
|   | 
Chrysanthemodiscus Mann – accepted
 | 
|   | 
Cosmioneidaceae Mann – accepted
 | 
|   | 
Cymbellales Mann – accepted
 | 
|   | 
Diadesmidaceae Mann – accepted
 | 
|   | 
Dictyoneidaceae Mann – accepted
 | 
|   | 
Dictyoneidales Mann – accepted
 | 
|   | 
Diploneidaceae Mann – accepted
 | 
|   | 
Glyphodesmis acus Mann – accepted
 | 
|   | 
Lyrellaceae Mann – accepted
 | 
|   | 
Lyrellales Mann – accepted
 | 
|   | 
Mastogloiales Mann – accepted
 | 
|   | 
Petrodictyon Mann – accepted
 | 
|   | 
Pinnulariaceae Mann – accepted
 | 
|   | 
Plagiotropidaceae Mann – accepted
 | 
|   | 
Proschkiniaceae Mann – accepted
 | 
|   | 
Rhopalodiales Mann – accepted
 | 
|   | 
Scolioneidaceae Mann – accepted
 | 
|   | 
Scolioneis Mann – accepted
 | 
|   | 
Seminavis Mann – accepted
 | 
|   | 
Stauroneidaceae Mann – accepted
 | 
|   | 
Surirellales Mann – accepted
 | 
|   | 
Thalassiophysaceae Mann – accepted
 | 
|   | 
Thalassiophysales Mann – accepted | 
        
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