Rhamnose is also produced by microalgae belonging to class Bacillariophyceae ( diatoms ).
2.
Presently there are over 300 algal taxa identified on Antarctica, with Bacillariophyceae ( Diatoms ) and Chlorophyta ( Green Algae ) being the most widespread on Antarctica.
3.
In some taxonomic schemes, the pennate diatoms are divided into two groups : pennate diatoms without a raphe, known as araphids ( order Fragilariophyceae ), and pennate diatoms with a raphe, known as raphids ( order Bacillariophyceae ).
4.
Five groups were of primary importance to the ASP : diatoms ( Class Bacillariophyceae ), green algae ( Class Chlorophyceae ), golden-brown algae ( Class Chrysophyceae ), prymnesiophytes ( Class Prymnesiophyceae ), and the eustigmatophytes ( Class Eustigmatophyceae ).
5.
Accordingly, groups like the diatoms may be ranked anywhere from class ( usually called "'Diatomophyceae "'or "'Bacillariophyceae "') to division ( usually called "'Bacillariophyta "'), with corresponding changes in the ranks of their subgroups.
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