Quadrula
{{Short description|Genus of bivalves}}
{{Automatic taxobox
| image = Winged mapleleaf.jpg
| image_caption = Quadrula fragosa
| taxon = Quadrula
| authority = Rafinesque, 1820
}}
Quadrula is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae native to rivers of the American Midwest and mid-south. All have thick nacreous shells with well-developed hinge teeth, many also with external shell sculpturing of nodules or lumps.
Species within the genus ''Quadrula''
In 2012, many species classified as Quadrula were moved to Rotundaria and Theliderma based on genetic and morphological evidence.{{cite journal |last=Campbell |first=David |last2=Lydeard |first2=Charles |date=2012 |title=The Genera of Pleurobemini (Bivalvia: Unionidae: Ambleminae) |journal= American Malacological Bulletin |volume=30 |issue=1 |pages=19–38}}
Species currently in Quadrula now consist of:[http://www.marinespecies.org/aphia.php?p=taxdetails&id=856848 Quadrula World Register of Marine Species]
Image:Pistolgrip Mussel (6473798785).jpg]]
- Quadrula apiculata (Southern mapleleaf)
- Quadrula fragosa (Winged mapleleaf)
- Quadrula nobilis (Gulf mapleleaf)
- Quadrula quadrula (Mapleleaf)
- Quadrula rumphiana (Ridged mapleleaf)
- Quadrula verrucosa (Pistolgrip)
References
{{Reflist}}
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{{Authority control}}
Category:Molluscs of the United States
Category:Taxonomy articles created by Polbot
{{Unionidae-stub}}