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Elliptio is a genus of medium- to large-sized freshwater mussels, aquatic bivalve mollusks in the family Unionidae,[1][2] commonly known as the unionids, freshwater mussels or naiads.
In contrast with many other groups of American Unionidae, the Elliptio species reach their greatest diversity in the Atlantic-draining rivers of Georgia and the Carolinas, and large parts of Florida. One species ranges north into New England and southern Canada, and two occur in the interior Mississippi drainages. Most Elliptio species have elongated shells, with silvery or purplish interior nacre beneath a thick periostracum, and few reach large size or thickness.
The genus name Elliptio refers to the elliptical shape of these bivalves.
As of 2023 there are 43 species in the genus.[2]
The following species are recognised in the genus Elliptio:
Elliptio dilatata museum specimen Elliptio is a genus of medium- to large-sized freshwater mussels, aquatic bivalve mollusks in the family Unionidae, commonly known as the unionids, freshwater mussels or naiads.
In contrast with many other groups of American Unionidae, the Elliptio species reach their greatest diversity in the Atlantic-draining rivers of Georgia and the Carolinas, and large parts of Florida. One species ranges north into New England and southern Canada, and two occur in the interior Mississippi drainages. Most Elliptio species have elongated shells, with silvery or purplish interior nacre beneath a thick periostracum, and few reach large size or thickness.
The genus name Elliptio refers to the elliptical shape of these bivalves.
As of 2023 there are 43 species in the genus.
Elliptio es un género de moluscos bivalvos de la familia de los Unionidae.[1]
Desde 2003 hay 36 especies en este género:[2]
Elliptio is een geslacht van tweekleppigen uit de familie van de Unionidae.
Elliptio is een geslacht van tweekleppigen uit de familie van de Unionidae.
Elliptio é um género de bivalve da família Unionidae.[1]
Este género contém as seguintes espécies:
Elliptio é um género de bivalve da família Unionidae.
Este género contém as seguintes espécies:
Elliptio ahenea Elliptio angustata Elliptio arca Elliptio buckleyi Elliptio chipolaensis Elliptio complanata Elliptio congaraea Elliptio crassidens Elliptio dariensis Elliptio dilatata Elliptio downiei Elliptio folliculata Elliptio fraterna Elliptio fumata Elliptio hopetonensis Elliptio icterina Elliptio lanceolata Elliptio mcmichaeli Elliptio nigella Elliptio producta Elliptio roanokensis Elliptio shepardiana Elliptio spinosa Elliptio steinstansana Elliptio waltoni
