Elliptio nigella

Elliptio nigella

Elliptio nigella, Winged spike, Recovery pearly mussel

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Elliptio nigella

Elliptio nigella, the winged spike or recovery pearly mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.

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This species is endemic to the United States. It was thought to be extinct, but was rediscovered in 2010. It is not known if the rediscovered population is viable.

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References

1. Elliptio nigella Wikipedia article - https://en.wikipedia.org/wiki/Elliptio_nigella
2. Elliptio nigella on The IUCN Red List site - https://www.iucnredlist.org/species/7631/3140024

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