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Elliptio nigella

Summary

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

Elliptio nigella
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Genus: Elliptio
Species:
E. nigella
Binomial name
Elliptio nigella
(I. Lea, 1852)

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. As of the most recent surveys, it appears to be abundant in the lower Flint River, with its typical habitat being large rivers around boulders and cobble in crevices.[2] They look similar to E. pullata and E. fumata, which are also abundant in its range.[3] E. nigella can be distinguished by its axe-shaped shell with a distinctive notch anterior to the umbo.

References edit

  1. ^ Cummings, K.; Cordeiro, J. (2012). "Elliptio nigella". IUCN Red List of Threatened Species. 2012: e.T7631A3140024. doi:10.2305/IUCN.UK.2012.RLTS.T7631A3140024.en. Retrieved 14 November 2021.
  2. ^ Wisniewski, Jason M.; Rankin, Nicole M.; Weiler, Deborah A.; Strickland, Bradley A.; Chandler, Houston C. (2014-04-01). "Use of Occupancy Modeling to Assess the Status and Habitat Relationships of Freshwater Mussels in the Lower Flint River, Georgia, USA". Freshwater Mollusk Biology and Conservation. 17 (1): 24. doi:10.31931/fmbc.v17i1.2014.24-40. ISSN 2472-2944.
  3. ^ "Elliptio nigella". georgiabiodiversity.org. Retrieved 2024-01-30.