{{Short description|Genus of algae}} {{About|the genus of algae|the city in Turkey|Ankara}} {{Automatic taxobox | image = Ankyra judayi.jpg | image_caption = ''Ankyra judayi'' | taxon = Ankyra | authority = Fott, 1957 | type_species = ''Ankyra ancora'' | type_species_authority = (G.M.Smith) Fott<ref name="AlgaeBase"/> | subdivision_ref = <ref name=AlgaeBase/> | subdivision = * ''Ankyra ancora'' * ''Ankyra calcarifera'' * ''Ankyra inermis'' * ''Ankyra judayi'' * ''Ankyra lanceolata'' * ''Ankyra ocellata'' * ''Ankyra paradoxioides'' * ''Ankyra starrii'' }}
'''''Ankyra''''' is a genus of green algae in the family Characiaceae.<ref name="AlgaeBase"/> This genus of algae is closely related to ''Atractomorpha'' and ''Sphaeroplea''.<ref>{{cite journal |vauthors = Buchheim MA, Michalopulos EA, Buchheim JA |name-list-style=amp|title=Phylogeny of the Chlorophyceae with special reference to the Sphaeropleales: a study of 18S and 26S rDNA data. |journal=Journal of Phycology |year=2001 |volume=37 |issue=5 |pages=819–835 |doi=10.1046/j.1529-8817.2001.00162.x|bibcode=2001JPcgy..37..819B |s2cid=84617219 |doi-access=free }}</ref> They are found in stagnant waters.<ref name=Krienitz>{{cite journal | doi=10.1007/s10750-012-1079-z| title=Present state of the systematics of planktonic coccoid green algae of inland waters| date=2012| last1=Krienitz| first1=Lothar| last2=Bock| first2=Christina| journal=Hydrobiologia| volume=698| issue=1| pages=295–326| bibcode=2012HyBio.698..295K| s2cid=254551673}}</ref>
''Ankyra'' consists of single cells that are planktonic or epiphytic. Cells are spindle-shaped or cylindrical with the ends tapering into long spines. At one end, the spine is bifid and/or enlarged into a spatula-like appendage. The cell wall consists of two pieces that are joined together at the middle of the cell. One band-shaped chloroplast lines the inside of the cell membrane, and contains a single pyrenoid.<ref name=Bicudo_and_Menezes2006>{{cite book | title= Gêneros de Algas de Águas Continentais do Brasil: chave para identificação e descrições | edition=2 | year=2006 | first1=Carlos E. M. |last1=Bicudo | first2=Mariângela | last2= Menezes | publisher= RiMa Editora | pages=508 | isbn= 857656064X }}</ref>
Reproduction occurs via zoospores which are released when the two halves of the cell wall break apart, or through a hole formed in the cell wall. Sexual reproduction has not been observed in ''Ankyra''.<ref name=AlgaeBase>{{AlgaeBase genus|id=43378|name= Ankyra|access-date=2023-12-16}}</ref> However, various aplanospore-like stages and other resting stages have been observed in ''Ankyra'', and need to be studied further.<ref name=Krienitz/>
Species are identified based on the shape of the cells and their appendages.<ref name=AlgaeBase/>
==References== {{Reflist|1}}
==Further reading== * {{cite journal | vauthors = Krienitz L, Wachsmuth G, Klein G | year = 1990 | title = About Ankyra-Lanceolata (Korsikov) Fott (Chlorophyta, Chlorococcales) | journal = Archiv für Hydrobiologie | volume = 75-80, Suppl. 86}}
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Category:Sphaeropleales genera Category:Sphaeropleales Category:Freshwater algae
{{Chlorophyceae-stub}}