Unionidae

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.

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

The Fanshell (Cyprogenia stegaria) is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. Historically widespread throughout the Ohio, Cumberland, and Tennessee river systems, this species, native to the United States, now occurs in only a few isolated populations and faces a severe threat to its continued existence. It is federally listed as an Endangered species under the U.S. Endangered Species Act (ESA) due to a dramatic and ongoing decline in its populations and a significant contraction of its historical range. The International Union fo

species of mollusc

Cyprogenia is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae.

species of mollusc

species of bivalve

Pseudanodonta is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

Actinonaias is a genus of freshwater mussels in the family Unionidae.

Strophitus is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. The common name of mussels in the genus Strophitus is "Creeper."

Disconaias is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.

Amblema is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.

Anodontoides is a genus of freshwater mussels, an aquatic bivalve mollusk in the family Unionidae, the river mussels.

Solenaia is a genus of freshwater mussels in the family Unionidae. They have a very elongated shell that lacks dentition.

Coelatura is a genus of bivalve in the Unionidae family.

Truncilla is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.

Pseudodon is a genus of bivalvia from the Unionidae family of freshwater mussels native to East and Southeast Asia. There are 12 recognized species. Their life cycle is thought to be akin to other Unionids, parasitizing fish in order to disperse. They are locally consumed and provide raw materials for jewelry, cosmetics, and medicine.

Hyriopsis is a genus of bivalves belonging to the family Unionidae.

Cyrtonaias is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae.

Pilsbryoconcha is a genus of bivalves belonging to the family Unionidae.

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

Potomida is a genus of bivalves belonging to the subfamily Gonideinae of the family Unionidae.

Echyridella is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. There are three recognised species in the genus, which all live in the waters of New Zealand. They are collectively known in Māori as kākahi.

genus of molluscs

species of mollusc

Megalonaias is a genus of bivalves belonging to the family Unionidae.

species of mollusc