{{Short description|Genus of single-celled organisms}} {{automatic taxobox | image = Parasite140015-fig2 Protoopalina pingi (Opalinidae) Microscopy.tif | image_caption = ''Protoopalina pingi'' <ref name="LiWang2014">{{cite journal|last1=Li|first1=Weidong|last2=Wang|first2=Chong|last3=Huang|first3=Feng|last4=Li|first4=Ming|last5=Nilsen|first5=Frank|last6=Liu|first6=Huiyu|last7=Xu|first7=Jianlong|title=Redescription of ''Protoopalina pingi'' Nie, 1935 inhabiting the recta of ''Hylarana guentheri'' and ''Pelophylax nigromaculatus'' in China|journal=Parasite|volume=21|year=2014|pages=46|issn=1776-1042|doi=10.1051/parasite/2014021|url= |pmid=25208482|pmc=4160848 }} {{open access}}</ref> | taxon = Protoopalina | authority = | subdivision_ranks = Species | subdivision = }}
'''''Protoopalina''''' is a genus of heterokonts.
Examples are ''Protoopalina intestinalis''<ref name="pmid15324850">{{cite journal |vauthors=Kostka M, Hampl V, Cepicka I, Flegr J |title=Phylogenetic position of ''Protoopalina intestinalis'' based on SSU rRNA gene sequence |journal=Molecular Phylogenetics and Evolution |volume=33 |issue=1 |pages=220–4 |date=October 2004 |pmid=15324850 |doi=10.1016/j.ympev.2004.05.009 |bibcode=2004MolPE..33..220K }}</ref> and ''Protoopalina pingi''.<ref name="LiWang2014"/>
Species listed by the Australian Faunal Directory are:<ref>{{Cite web|title=Australian Faunal Directory: ''Protoopalina'' checklist|url=https://biodiversity.org.au/afd/taxa/Protoopalina/checklist|access-date=2022-02-17|website=biodiversity.org.au|language=en}}</ref>
* ''Protoopalina acuta'' (Raff, 1911) * ''Protoopalina adelaidensis'' Metcalf, 1923 * ''Protoopalina australis'' Metcalf, 1923 * ''Protoopalina bibronii'' Metcalf, 1940 * ''Protoopalina dorsalis'' (Raff, 1912) * ''Protoopalina hylarum'' (Raff, 1911) * ''Protoopalina jonesi'' Delvinquier, 1987 * ''Protoopalina papuensis'' Metcalf, 1923 * ''Protoopalina polykineta'' Grim & Clements, 1996 * ''Protoopalina queenslandensis'' Delvinquier, 1987 * ''Protoopalina raffae'' Delvinquier, 1987 * ''Protoopalina singeri'' Delvinquier, 1987 * ''Protoopalina tenuis'' (Raff, 1911) * ''Protoopalina tronchini'' Delvinquier, 1987 * ''Protoopalina waterloti'' Delvinquier, 1987
==References== {{Reflist}}
{{Heterokont}} {{Taxonbar|from=Q7252075}}
Category:Placidozoa Category:Stramenopile genera {{Heterokont-stub}}