154,916 species and infraspecific names are in the database, 21,111 images, 59,869 bibliographic items, 431,336 distributional records.

Taxonomy Browser

Class: Mediophyceae

Higher Taxonomy

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Rank

Name

Authority  

# Species

 

Empire

Eukaryota

Chatton  

45,297

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Kingdom

Chromista

Cavalier-Smith  

24,375

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Phylum

Bacillariophyta

Karsten  

15,447

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Subphylum

Bacillariophytina

Medlin & Kaczmarska  

13,796

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Class

Mediophyceae

Medlin & Kaczmarska  

1,507

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Subordinate taxa

Rank

Name

Authority  

Fossil

# Species

 

Order

Anaulales

Round & R.M.Crawford  

35

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Order

Biddulphiales

Krieger  

93

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Subclass

Biddulphiophycidae

Round & R.M.Crawford  

130

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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

Chaetocerotales

Round & R.M.Crawford  

268

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Subclass

Chaetocerotophycidae

Round & R.M.Crawford  

430

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Order

Cymatosirales

Round & R.M.Crawford  

91

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Subclass

Cymatosirophycidae

Round & R.M.Crawford  

91

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Order

Eupodiscales

V.A.Nikolaev & D.M.Harwood  

149

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Order

Hemiaulales

Round & R.M.Crawford  

127

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Order

Lithodesmiales

Round & R.M.Crawford  

23

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Order

Stephanodiscales

Nikolaev & Harwood  

422

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Order

Thalassiosirales

Glezer & Makarova  

263

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Subclass

Thalassiosirophycidae

Round & R.M.Crawford  

857

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Order

Toxariales

Round  

14

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