Pearly Mussel (other)
Pearly mussel may refer to: See also * Pearly (other) * Mussel Mussel () is the common name used for members of several families of bivalve molluscs, from saltwater and Freshwater bivalve, freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other ... {{Animal common name Mollusc common names ...
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Acorn Pearly Mussel
''Epioblasma haysiana'', the acornshell or acorn pearly mussel, was a species of freshwater mussel, an aquatic ecosystem, aquatic bivalve mollusc, mollusk in the family Unionidae. It is now extinct. This species was Endemism, endemic to the drainages of the Cumberland River and the Tennessee River in the United States. Its natural habitat was riffle beds over gravel and sand. Like all other members of this sensitive genus, its population had severely declined to habitat destruction and pollution. The last remaining individuals were killed in the 1970s due to exposure to domestic sewage. References

Bivalves described in 1834 Extinct invertebrates since 1500 Extinct bivalves Epioblasma, haysiana Extinct animals of the United States Species made extinct by human activities Taxonomy articles created by Polbot {{Unionidae-stub ...
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