Abstract The freshwater bivalves (Mollusca: Order Unionoida) are classified in six families
and about 165 genera worldwide. Worldwide rate of extinction of freshwater bivalves is …

Ammonia toxicity data for freshwater mussels (Unionidae), a significantly imperiled taxa,
were used to derive estimates of concentrations that would not likely be harmful in acute and …

Freshwater mussels (Family Unionidae) represent an important yet poorly-known group of
mollusks. These animals were used for food by Native Americans, harvested by early …

Bivalves play an important part in freshwater ecosystems and improve water quality; the
thick-shelled river mussel Unio crassus is classified as a bioindicator. Unfortunately, the …

Field and laboratory studies were conducted to determine mollusk distributions in proximity
to waste-water treatment plants (WTP's) in the upper Clinch River and to test the tolerance of …

The mussel fauna of many North American waters is declining, probably due to a
combination of factors. The factors may include channelization and impoundment of rivers …

The Cumberland region long has been recognized as a center of molluscan endemism in
North America Binney 1885 Ortmann 1918, 1924a, 1925. Among the geographic faunal …

Several studies have indicated that the early life stages of freshwater mussels are among
the most sensitive aquatic organisms to inorganic chemicals, including copper. However …

This study evaluated the sensitivity of juveniles of two freshwater unionid mussel species
(Villosa iris [Lea] and Lampsilis fasciola [Rafinesque]) to un‐ionized and total ammonia. Five …

Abstract The Big River in southeast Missouri drains the largest historical lead mining area in
the United States. Ongoing releases of metal contaminated sediments into this river are well …