The dwarf wedgemussel is an endangered species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
The Unionidae are a family of freshwater mussels, the largest in the order Unionida, the bivalve molluscs sometimes known as river mussels, or simply as unionids.
Unio crassus, the thick shelled river mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Unio is a genus of medium-sized freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. They are found throughout Europe, Africa, and the Middle East, with some species introduced to East Asia. Fossil species are also known from the Jurassic of North America.
Alasmidonta atropurpurea, common name Cumberland elktoe, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Sinanodonta woodiana, the Chinese pond mussel, Eastern Asiatic freshwater clam or swan-mussel, is a species of freshwater mussel, an aquatic bivalve mollusk, in the family Unionidae.
The Appalachian elktoe is a species of freshwater mussel in the family Unionidae, the river mussels. It is native to the United States, where it is known only from North Carolina and Tennessee.
Dromus dromas, the dromedary pearlymussel or dromedary naiad, is a rare species of freshwater mussel in the family Unionidae. This aquatic bivalve mollusk is native to the Cumberland and Tennessee River systems in the United States, where it has experienced a large population decline. It is a federally listed endangered species of the United States.
The oyster mussel is a rare species of freshwater mussel in the family Unionidae. This aquatic bivalve mollusk is native to the Cumberland and Tennessee River systems of Kentucky, Tennessee, Alabama, and Virginia in the United States. It has been extirpated from the states of Georgia and North Carolina. It is a federally listed endangered species of the United States.
Lampsilis bracteata, also known as the Texas fatmucket, is a species of freshwater mussel in the family Unionidae, the river mussels. This species is endemic to the tributaries of the Colorado River within the Edwards Plateau region in Texas, the United States. Populations from the upper Guadalupe River basin are now assigned to a distinct species, Lampsilis bergmanni. The two species are morphologically indistinguishable but genetically distinct.
Lampsilis ovata, or pocketbook mussel, is a species of freshwater mussel, a bivalve mollusk in the family Unionidae, the river mussels. This species is endemic to eastern North America.
Lampsilis rafinesqueana, the Neosho mucket or Neosho pearly mussel, is a species of North American freshwater mussel endemic to Arkansas, Oklahoma, Illinois, Missouri and Kansas.
Margaritifera auricularia is a species of European freshwater mussel, an aquatic bivalve mollusk in the family Margaritiferidae, the freshwater pearl mussels. Formerly found throughout western and central Europe, the species is now critically endangered and is one of the rarest invertebrates worldwide, being confined to a few rivers in Spain and France. M. auricularia is commonly known as Spengler's freshwater mussel in honour of Lorenz Spengler, who first described this species.
Pleurobema oviforme, the Tennessee clubshell, is a species of freshwater mussel in the family Unionidae, the river mussels. It is native to the eastern United States, where it occurs in Alabama, Kentucky, North Carolina, Tennessee, and Virginia. It also previously occurred in Mississippi.
The triangular kidneyshell is a species of freshwater mussel, in the family Unionidae, the river mussels. It is endemic to Alabama in the United States, where it is known from several rivers and streams in the Mobile River Basin. It is a federally listed endangered species of the United States.
Villosa iris, the rainbow mussel or rainbow-shell, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. In 2018, Watters proposed to move the species into a new genus, Cambarunio.
Microcondylaea compressa is a species of freshwater mussel in the family Unionidae, the river mussels.
Unio mancus is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Potomida littoralis is a species of bivalve belonging to the family Unionidae.
Unio ravoisieri is a species of bivalve belonging to the family Unionidae. It is endemic to North Africa, including at least Algeria and Tunisia. It occurs in rivers and is often found in shallow rivers on gravel and silt bottoms..
