Biddulphiophycidae
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Biddulphiophycidae or Biddulphiineae is a grouping of
Centrales The Coscinodiscophyceae are a class of diatoms. They are similar to the Centrales, a traditional, paraphyletic subdivision of the heterokont algae known as diatoms. The order is named for the shape of the cell walls (or valves or frustules ...
. In some taxonomic schemes
Centrales The Coscinodiscophyceae are a class of diatoms. They are similar to the Centrales, a traditional, paraphyletic subdivision of the heterokont algae known as diatoms. The order is named for the shape of the cell walls (or valves or frustules ...
or Centric diatoms are named
Coscinodiscophyceae The Coscinodiscophyceae are a class of diatoms. They are similar to the Centrales, a traditional, paraphyletic subdivision of the heterokont algae known as diatoms. The order is named for the shape of the cell walls (or valves or frustules) of ...
and may have different naming of suborders and families.


Description

Valves A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings ...
primarily bipolar. They do not have a marginal ring of processes.


See also

* Coscinodiscineae


References

Coscinodiscophyceae SAR supergroup suborders {{Diatom-stub