The elktoe is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This species is found in southeastern Canada and the eastern United States. Like many mussels, it is threatened by water pollution from agriculture, industry, and other development, such as acid mine drainage and sedimentation. It may be extinct in Oklahoma.
Ellipsaria lineolata is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This is the sole species in the monotypic genus Ellipsaria . This species is native to the drainage systems of the Mississippi River, the Mobile River, the Tennessee River, and the Cumberland River in the United States. It exists in the midwestern United States, and has also been observed in the east coast and as far south as the Gulf of Mexico. The common name of Ellipsaria lineolata is the Butterfly Mussel.
The Alabama spike is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Epioblasma biemarginata, the angled riffleshell, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. It is now extinct.
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 cardium is a species of freshwater mussel in the family Unionidae, the river mussels. It is known commonly as the plain pocketbook. It is widespread in eastern North America, where it is native to the Mississippi River and Great Lakes drainage systems.
Hamiota perovalis, the orangenacre mucket or orange-nacre mucket, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Lampsilis virescens, the Alabama lamp naiad, Alabama lamp pearly mussel or Alabama lampmussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Leptodea leptodon, the scaleshell mussel or scale shell, is a species of freshwater mussel in the family Unionidae, the river mussels. This aquatic bivalve mollusk has disappeared from much of its historical range. It is endemic to the United States, where it is now present in four or fewer states; it is only found with any regularity in Missouri. It is a federally listed endangered species of the United States.
Leptoxis ampla, common name the round rocksnail, is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Pleuroceridae.
The flat pebblesnail is a species of freshwater snail, an aquatic gastropod mollusk in the family Lithoglyphidae.
Sagittunio nasutus, the eastern pondmussel, is a species of freshwater mussel in the family Unionidae, the river mussels.
Ligumia is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae.
Medionidus acutissimus, the Alabama moccasinshell, is a species of freshwater mussel in the family Unionidae, the river mussels. It is native to Alabama, Mississippi, Georgia, Tennessee, and possibly Florida. It is a federally listed threatened species of the United States.
Medionidus penicillatus, the gulf moccasinshell, is a rare species of freshwater mussel in the family Unionidae, the river mussels. This aquatic bivalve mollusk is native to Alabama, Florida, and Georgia in the United States, where it is in decline and has been extirpated from most of the rivers it once inhabited. It is a federally listed endangered species of the United States.
Pleurobema decisum, the southern clubshell, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pleurobema furvum, the dark pigtoe, is a species of freshwater mussel in the family Unionidae, the river mussels. This aquatic bivalve mollusk is native to Alabama in the United States, where it is mainly limited to the Black Warrior River. It is a federally listed endangered species of the United States.
Ptychobranchus fasciolaris is a species of freshwater mussel in the family Unionidae, the river mussels. Its common name is kidneyshell.
Sagittunio subrostratus, commonly referred to as the pondmussel or black pondmussel, is a species of freshwater mussel, an aquatic bivalve in the family Unionidae, the river mussels.
Cyclonaias pustulosa is a species of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. This species is native to North America, where it is a widespread and common.
