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Quadrula
Sign in to saveQuadrula 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.
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2 sectionsContents
- Species within the genus ''Quadrula''
- References
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. Species currently in Quadrula now consist of: right|thumb|Quadrula verrucosa Quadrula apiculata (Southern mapleleaf) Quadrula fragosa (Winged mapleleaf) Quadrula nobilis (Gulf mapleleaf) Quadrula quadrula (Mapleleaf) Quadrula rumphiana (Ridged mapleleaf) Quadrula verrucosa (Pistolgrip)