Quadrula
Genus of bivalves
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.
01Species 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:
- Quadrula apiculata (Southern mapleleaf)
- Quadrula fragosa (Winged mapleleaf)
- Quadrula nobilis (Gulf mapleleaf)
- Quadrula quadrula (Mapleleaf)
- Quadrula rumphiana (Ridged mapleleaf)
- Quadrula verrucosa (Pistolgrip)
Sources and credits
This article is adapted from the Wikipedia article “Quadrula”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Winged mapleleaf.jpg by USFWS Endangered Species, CC BY 2.0
- Pistolgrip Mussel (6473798785).jpg by USFWS Mountain-Prairie, CC BY 2.0
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