''Guinardia'' is a genus of
diatom
A diatom ( Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group comprising se ...
s belonging to the family
Rhizosoleniaceae.
The genus was
first described by H. Peragallo in 1892.
The genus has
cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext ...
.
Species:
* ''
Guinardia delicatula''
* ''
Guinardia flaccida''
* ''
Guinardia pungens''
* ''
Guinardia striata''
References
Diatoms
Diatom genera
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