153,615 species and infraspecific names are in the database, 20,981 images, 59,407 bibliographic items, 412,628 distributional records.

Taxonomy Browser

Class: Mediophyceae

Higher Taxonomy

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Rank

Name

Authority  

# Species

 

Empire

Eukaryota

Chatton  

44,776

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Kingdom

Chromista

Cavalier-Smith  

24,024

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Phylum

Bacillariophyta

Karsten  

15,135

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Subphylum

Bacillariophytina

Medlin & Kaczmarska  

13,513

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Class

Mediophyceae

(Jousé & Proshkina-Lavrenko) Medlin & Kaczmarska  

1,490

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Subordinate taxa

Rank

Name

Authority  

Fossil

# Species

 

Order

Anaulales

Round & R.M.Crawford  

36

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Order

Biddulphiales

Krieger  

103

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Subclass

Biddulphiophycidae

Round & R.M.Crawford  

141

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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  

288

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Subclass

Chaetocerotophycidae

Round & R.M.Crawford  

458

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Order

Cymatosirales

F.E.Round & R.M.Crawford  

90

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Subclass

Cymatosirophycidae

Round & R.M.Crawford  

90

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Order

Eupodiscales

V.A.Nikolaev & D.M.Harwood  

141

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Order

Hemiaulales

Round & R.M.Crawford  

134

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Order

Lithodesmiales

Round & R.M.Crawford  

26

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Order

Stephanodiscales

Nikolaev & Harwood  

462

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Order

Thalassiosirales

Glezer & Makarova  

287

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Subclass

Thalassiosirophycidae

Round & R.M.Crawford  

916

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Order

Toxariales

Round  

15

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