{{Short description|Genus of bivalves}} {{Automatic taxobox |image = Ligumia nasuta - Springfield Science Museum - Springfield, MA - DSC03465.JPG |image_caption = ''[[Sagittunio nasutus]]'' |taxon = Sagittunio |authority = [[species:G. Thomas Watters|Watters]], 2018<ref name="Watters 2018"/> |synonyms= |type_species= ''Unio nasutus'' <small>Say, 1817</small> |display_parents= 3 }}

'''''Sagittunio''''' is a [[genus]] of [[freshwater mussel]]s, which are [[Aquatic animal|aquatic]] [[bivalve]] [[mollusk]]s belonging to the family [[Unionidae]].<ref name="WoRMS">{{WoRMS |title=''Sagittunio'' Watters, 2018 |id=1056331 |access-date=2021-05-08 }}</ref>. Found in [[freshwater]] environments such as [[river]]s, [[stream]]s, [[lake]]s, and [[pond]]s. The species of this genus are endemic to North America <ref name="Watters 2018">{{cite book |title=A preliminary review of the nominal genus ''Villosa'' of freshwater mussels (Bivalvia, Unionidae) in North America |series=Visaya Supplements |volume=10 |last=Watters |first=G. Thomas |year=2018 |publisher=ConchBooks |location= |isbn=9783939767862 }}</ref>.

==Species== There are four recognized species:<ref name="WoRMS"/> * ''[[Sagittunio aldermani]]'' <small>Watters, 2018</small> * ''[[Sagittunio nasutus]]'' <small>(Say, 1817)</small> * ''[[Sagittunio subrostratus]]'' <small>(Say, 1831)</small> * ''[[Sagittunio vaughanianus]]'' <small>(Lea I., 1838)</small>

==References== {{Reflist|refs= <ref name="Watters 2018">{{cite book |title=A preliminary review of the nominal genus ''Villosa'' of freshwater mussels (Bivalvia, Unionidae) in North America |series=Visaya Supplements |volume=10 |last=Watters |first=G. Thomas |year=2018 |publisher=ConchBooks |location= |isbn=9783939767862 }}</ref> }}

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[[Category:Sagittunio| ]] [[Category:Bivalve genera]]

{{Unionidae-stub}}