155,805 species and infraspecific names are in the database, 21,968 images, 60,221 bibliographic items, 439,336 distributional records.

Taxonomy Browser

Subclass: Biddulphiophycidae

Higher Taxonomy

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Rank

Name

Authority  

# Species

 

Empire

Eukaryota

Chatton  

45,570

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Kingdom

Chromista

Cavalier-Smith  

24,597

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Phylum

Bacillariophyta

Karsten  

15,569

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Subphylum

Bacillariophytina

Medlin & Kaczmarska  

13,927

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Class

Mediophyceae

Medlin & Kaczmarska  

1,517

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Subclass

Biddulphiophycidae

Round & R.M.Crawford  

131

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Subordinate taxa

Rank

Name

Authority  

Fossil

# Species

 

Order

Biddulphiales

Krieger  

94

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Order

Bilinguales

Nikolaev & Harwood  

1

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Order

Briggerales

Nikolaev & Harwood, Nikolaev & Harwood  

22

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Order

Toxariales

Round  

14

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