{{Short description|Genus of algae}} {{Automatic taxobox | taxon = Protosiphon | authority = Klebs, 1886<ref name=AB_g43463/> | subdivision_ranks = Species | subdivision = * ''P. botryoides'' <small>Klebs, 1896</small> * ''P. cinnamomeus'' <small>(Menegh) Drouet & Daily, 1948</small> | subdivision_ref = <ref name=AB_g43463/> }}

'''''Protosiphon''''' is a genus of green algae in the class Chlorophyceae.<ref name=AB_g43463>{{AlgaeBase genus|name=Protosiphon|id=43463|access-date=2022-02-24}}</ref>

This is one of the few algae that do not go through fragmentation.

==References== {{Reflist}}

==External links==

* [http://www.algaterra.org/ATDB/Names/NamesMain.cfm AlgaTerra database] * [https://web.archive.org/web/20070819165523/http://ravenel.si.edu/botany/ing/ingForm.cfm Index Nominum Genericorum]

{{Taxonbar|from=Q7252124}} {{Authority control}}

Category:Chlamydomonadales genera Category:Chlamydomonadales

{{Chlorophyceae-stub}}