Fusconaia subrotunda, the longsolid,[2][3] long solid mussel or long solid naiad, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae.

Fusconaia subrotunda
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Genus: Fusconaia
Species:
F. subrotunda
Binomial name
Fusconaia subrotunda
(Lea, 1831)
Synonyms[4]
List
  • Fusconaia subrotunda subsp. subrotunda (Lea, 1831)
  • Fusconaia subrotunda subsp. pilaris (Lea, 1840)
  • Fusconaia subrotunda subsp. kirtlandiana (Lea, 1834)
  • Fusconaia subrotunda subsp. lesueuriana (Lea, 1840)
  • Unio subrotundus Lea, 1831
  • Unio kirtlandianus Lea, 1834
  • Unio politus Conrad, 1837
  • Unio pilaris Lea, 1840
  • Unio lesueurianus Lea, 1840
  • Unio globatus Lea, 1871
  • Unio bursapastoris B.H. Wright, 1896
  • Quadrula flexuosa Simpson, 1900
  • Quadrula andrewsii Marsh, 1902
  • Quadrula beauchampii Marsh, 1902
  • Quadrula kirtlandiana subsp. minor Simpson, 1900
  • Fusconaja subrotunda subsp. leucogona Ortmann, 1913

This mussel, sometimes called a pigtoe, is found in river gravel. Young mussels are light brown, but darken to nearly black with age.

This species is found in Canada and the United States.

Subspecies

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  • Fusconaia subrotunda kirklandiana
  • Fusconaia subrotunda lesueriana Lea
  • Fusconaia subrotunda pilaris Lea
  • Fusconaia subrotunda subrotunda

References

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  1. ^ Cummings, K.; Cordeiro, J. (2012). "Fusconaia subrotunda". IUCN Red List of Threatened Species. 2012: e.T8775A3146358. doi:10.2305/IUCN.UK.2012.RLTS.T8775A3146358.en. Retrieved 16 November 2021.
  2. ^ a b "Longsolid (Fusconaia subrotunda)". Environmental Conservation Online System. U.S. Fish & Wildlife Service. Retrieved 27 November 2023.
  3. ^ a b 88 FR 14794
  4. ^ "Fusconaia subrotunda (Lea, 1831)". Integrated Taxonomic Information System. Retrieved 28 November 2023.
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