{{Short description|Genus of bivalves}} {{Automatic taxobox |image = Megalonaias nervosa 1zz.jpg |image_caption = ''Megalonaias nervosa'' |taxon = Megalonaias |authority = Utterback, 1915 }}

'''''Megalonaias''''' is a genus of [[bivalve]]s belonging to the family [[Unionidae]].<ref name="GBIF">{{cite web |title=Megalonaias Utterback, 1915 |url=https://www.gbif.org/species/2288373 |website=www.gbif.org |access-date=9 May 2021 |language=en}}</ref>

The species of this genus are found in North America and Central America.<ref>{{cite journal |display-authors=3 |last1=Pfeiffer |first1=John M |last2=Sharpe |first2=Ashley E |last3=Johnson |first3=Nathan A |last4=Emery |first4=Kitty F |last5=Page |first5=Lawrence M |title=Molecular phylogeny of the Nearctic and Mesoamerican freshwater mussel genus Megalonaias |journal=Hydrobiologia |date=2018 |volume=811 |issue=1 |pages=139–151 |doi=10.1007/s10750-017-3441-7|doi-access=free |bibcode=2018HyBio.811..139P }}</ref>

==Species== Species:<ref name="GBIF" />

*''[[Megalonaias nervosa]]'' {{small|(Rafinesque, 1820)}} *''[[Megalonaias nickliniana]]'' {{small|(Lea, 1834)}}

==References== {{Reflist}}

{{Taxonbar|from=Q3798830}}

[[Category:Unionidae]] [[Category:Bivalve genera]]

{{Unionidae-stub}}